Add support for modular with fast image processors (#35379)

* Add support for modular with fast image processors

* fix order and remove copied from

* add comment for "image_processing*_fast"

src/transformers/models/deformable_detr/image_processing_deformable_detr_fast.py

@@ -1,19 +1,9 @@
-# coding=utf-8
-# Copyright 2024 The HuggingFace Inc. team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Fast Image processor class for Deformable DETR."""
-
+#                🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
+#           This file was automatically generated from src/transformers/models/deformable_detr/modular_deformable_detr.py.
+#               Do NOT edit this file manually as any edits will be overwritten by the generation of
+#             the file from the modular. If any change should be done, please apply the change to the
+#                          modular_deformable_detr.py file directly. One of our CI enforces this.
+#                🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
 import functools
 import pathlib
 from typing import Any, Dict, List, Optional, Tuple, Union
@@ -26,10 +16,7 @@ from ...image_processing_utils_fast import (
     get_max_height_width,
     safe_squeeze,
 )
-from ...image_transforms import (
-    center_to_corners_format,
-    corners_to_center_format,
-)
+from ...image_transforms import center_to_corners_format, corners_to_center_format
 from ...image_utils import (
     IMAGENET_DEFAULT_MEAN,
     IMAGENET_DEFAULT_STD,
@@ -43,7 +30,6 @@ from ...image_utils import (
     get_image_type,
     infer_channel_dimension_format,
     make_list_of_images,
-    pil_torch_interpolation_mapping,
     validate_annotations,
     validate_kwargs,
 )
@@ -55,24 +41,22 @@ from ...utils import (
     is_vision_available,
     logging,
 )
-from .image_processing_deformable_detr import (
-    get_size_with_aspect_ratio,
-)
+from .image_processing_deformable_detr import get_size_with_aspect_ratio
 
 
 if is_torch_available():
     import torch
 
-if is_torchvision_available():
+if is_vision_available():
+    from ...image_utils import pil_torch_interpolation_mapping
+
+
+if is_torchvision_v2_available():
     from torchvision.io import read_image
-
-    if is_vision_available():
-        from ...image_utils import pil_torch_interpolation_mapping
-
-    if is_torchvision_v2_available():
-        from torchvision.transforms.v2 import functional as F
-    else:
-        from torchvision.transforms import functional as F
+    from torchvision.transforms.v2 import functional as F
+elif is_torchvision_available():
+    from torchvision.io import read_image
+    from torchvision.transforms import functional as F
 
 
 logger = logging.get_logger(__name__)
@@ -80,7 +64,7 @@ logger = logging.get_logger(__name__)
 SUPPORTED_ANNOTATION_FORMATS = (AnnotationFormat.COCO_DETECTION, AnnotationFormat.COCO_PANOPTIC)
 
 
-# Copied from transformers.models.detr.image_processing_detr_fast.convert_coco_poly_to_mask
+# inspired by https://github.com/facebookresearch/deformable_detr/blob/master/datasets/coco.py#L33
 def convert_coco_poly_to_mask(segmentations, height: int, width: int, device: torch.device) -> torch.Tensor:
     """
     Convert a COCO polygon annotation to a mask.
@@ -115,7 +99,7 @@ def convert_coco_poly_to_mask(segmentations, height: int, width: int, device: to
     return masks
 
 
-# Copied from transformers.models.detr.image_processing_detr_fast.prepare_coco_detection_annotation with DETR->DeformableDetr
+# inspired by https://github.com/facebookresearch/deformable_detr/blob/master/datasets/coco.py#L50
 def prepare_coco_detection_annotation(
     image,
     target,
@@ -123,7 +107,7 @@ def prepare_coco_detection_annotation(
     input_data_format: Optional[Union[ChannelDimension, str]] = None,
 ):
     """
-    Convert the target in COCO format into the format expected by DeformableDetr.
+    Convert the target in COCO format into the format expected by DEFORMABLE_DETR.
     """
     image_height, image_width = image.size()[-2:]
 
@@ -180,7 +164,6 @@ def prepare_coco_detection_annotation(
     return new_target
 
 
-# Copied from transformers.models.detr.image_processing_detr_fast.masks_to_boxes
 def masks_to_boxes(masks: torch.Tensor) -> torch.Tensor:
     """
     Compute the bounding boxes around the provided panoptic segmentation masks.
@@ -215,7 +198,9 @@ def masks_to_boxes(masks: torch.Tensor) -> torch.Tensor:
     return torch.stack([x_min, y_min, x_max, y_max], 1)
 
 
-# Copied from transformers.models.detr.image_processing_detr_fast.rgb_to_id
+# 2 functions below adapted from https://github.com/cocodataset/panopticapi/blob/master/panopticapi/utils.py
+# Copyright (c) 2018, Alexander Kirillov
+# All rights reserved.
 def rgb_to_id(color):
     """
     Converts RGB color to unique ID.
@@ -227,7 +212,6 @@ def rgb_to_id(color):
     return int(color[0] + 256 * color[1] + 256 * 256 * color[2])
 
 
-# Copied from transformers.models.detr.image_processing_detr_fast.prepare_coco_panoptic_annotation with DETR->DeformableDetr
 def prepare_coco_panoptic_annotation(
     image: torch.Tensor,
     target: Dict,
@@ -236,7 +220,7 @@ def prepare_coco_panoptic_annotation(
     input_data_format: Union[ChannelDimension, str] = None,
 ) -> Dict:
     """
-    Prepare a coco panoptic annotation for DeformableDetr.
+    Prepare a coco panoptic annotation for DEFORMABLE_DETR.
     """
     image_height, image_width = get_image_size(image, channel_dim=input_data_format)
     annotation_path = pathlib.Path(masks_path) / target["file_name"]
@@ -279,13 +263,13 @@ def prepare_coco_panoptic_annotation(
 
 class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
     r"""
-    Constructs a fast Deformable DETR image processor.
+    Constructs a fast DeformableDetr image processor.
 
     Args:
         format (`str`, *optional*, defaults to `AnnotationFormat.COCO_DETECTION`):
             Data format of the annotations. One of "coco_detection" or "coco_panoptic".
         do_resize (`bool`, *optional*, defaults to `True`):
-            Controls whether to resize the image's (height, width) dimensions to the specified `size`. Can be
+            Controls whether to resize the image's `(height, width)` dimensions to the specified `size`. Can be
             overridden by the `do_resize` parameter in the `preprocess` method.
         size (`Dict[str, int]` *optional*, defaults to `{"shortest_edge": 800, "longest_edge": 1333}`):
             Size of the image's `(height, width)` dimensions after resizing. Can be overridden by the `size` parameter
@@ -316,7 +300,7 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
             Standard deviation values to use when normalizing the image. Can be a single value or a list of values, one
             for each channel. Can be overridden by the `image_std` parameter in the `preprocess` method.
         do_convert_annotations (`bool`, *optional*, defaults to `True`):
-            Controls whether to convert the annotations to the format expected by the DETR model. Converts the
+            Controls whether to convert the annotations to the format expected by the DEFORMABLE_DETR model. Converts the
             bounding boxes to the format `(center_x, center_y, width, height)` and in the range `[0, 1]`.
             Can be overridden by the `do_convert_annotations` parameter in the `preprocess` method.
         do_pad (`bool`, *optional*, defaults to `True`):
@@ -332,7 +316,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
 
     model_input_names = ["pixel_values", "pixel_mask"]
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.__init__
     def __init__(
         self,
         format: Union[str, AnnotationFormat] = AnnotationFormat.COCO_DETECTION,
@@ -404,7 +387,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
         ]
 
     @classmethod
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.from_dict with Detr->DeformableDetr
     def from_dict(cls, image_processor_dict: Dict[str, Any], **kwargs):
         """
         Overrides the `from_dict` method from the base class to make sure parameters are updated if image processor is
@@ -418,7 +400,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
             image_processor_dict["pad_and_return_pixel_mask"] = kwargs.pop("pad_and_return_pixel_mask")
         return super().from_dict(image_processor_dict, **kwargs)
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.prepare_annotation with DETR->DeformableDetr
     def prepare_annotation(
         self,
         image: torch.Tensor,
@@ -429,7 +410,7 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
         input_data_format: Optional[Union[str, ChannelDimension]] = None,
     ) -> Dict:
         """
-        Prepare an annotation for feeding into DeformableDetr model.
+        Prepare an annotation for feeding into DEFORMABLE_DETR model.
         """
         format = format if format is not None else self.format
 
@@ -451,7 +432,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
             raise ValueError(f"Format {format} is not supported.")
         return target
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.resize
     def resize(
         self,
         image: torch.Tensor,
@@ -506,7 +486,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
         )
         return image
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.resize_annotation
     def resize_annotation(
         self,
         annotation: Dict[str, Any],
@@ -560,7 +539,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
 
         return new_annotation
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.normalize_annotation
     def normalize_annotation(self, annotation: Dict, image_size: Tuple[int, int]) -> Dict:
         image_height, image_width = image_size
         norm_annotation = {}
@@ -576,7 +554,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
                 norm_annotation[key] = value
         return norm_annotation
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast._update_annotation_for_padded_image
     def _update_annotation_for_padded_image(
         self,
         annotation: Dict,
@@ -612,7 +589,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
                 new_annotation[key] = value
         return new_annotation
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.pad
     def pad(
         self,
         image: torch.Tensor,
@@ -644,7 +620,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
         return image, pixel_mask, annotation
 
     @functools.lru_cache(maxsize=1)
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast._validate_input_arguments
     def _validate_input_arguments(
         self,
         do_rescale: bool,
@@ -673,7 +648,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
         if do_normalize and None in (image_mean, image_std):
             raise ValueError("Image mean and standard deviation must be specified if do_normalize is True.")
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.preprocess
     def preprocess(
         self,
         images: ImageInput,
@@ -874,7 +848,7 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
         processed_annotations = []
         pixel_masks = []  # Initialize pixel_masks here
         for image, annotation in zip(images, annotations if annotations is not None else [None] * len(images)):
-            # prepare (COCO annotations as a list of Dict -> DETR target as a single Dict per image)
+            # prepare (COCO annotations as a list of Dict -> DEFORMABLE_DETR target as a single Dict per image)
             if annotations is not None:
                 annotation = self.prepare_annotation(
                     image,
@@ -950,7 +924,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
             ]
         return encoded_inputs
 
-    # Copied from transformers.models.deformable_detr.image_processing_deformable_detr.DeformableDetrImageProcessor.post_process
     def post_process(self, outputs, target_sizes):
         """
         Converts the raw output of [`DeformableDetrForObjectDetection`] into final bounding boxes in (top_left_x,
@@ -996,7 +969,6 @@ class DeformableDetrImageProcessorFast(BaseImageProcessorFast):
 
         return results
 
-    # Copied from transformers.models.deformable_detr.image_processing_deformable_detr.DeformableDetrImageProcessor.post_process_object_detection
     def post_process_object_detection(
         self, outputs, threshold: float = 0.5, target_sizes: Union[TensorType, List[Tuple]] = None, top_k: int = 100
     ):

src/transformers/models/deformable_detr/modular_deformable_detr.py

@@ -0,0 +1,144 @@
+from typing import List, Tuple, Union
+
+from transformers.models.detr.image_processing_detr_fast import DetrImageProcessorFast
+
+from ...image_transforms import center_to_corners_format
+from ...utils import (
+    TensorType,
+    is_torch_available,
+    logging,
+)
+
+
+if is_torch_available():
+    import torch
+
+
+logger = logging.get_logger(__name__)
+
+
+class DeformableDetrImageProcessorFast(DetrImageProcessorFast):
+    def post_process(self, outputs, target_sizes):
+        """
+        Converts the raw output of [`DeformableDetrForObjectDetection`] into final bounding boxes in (top_left_x,
+        top_left_y, bottom_right_x, bottom_right_y) format. Only supports PyTorch.
+
+        Args:
+            outputs ([`DeformableDetrObjectDetectionOutput`]):
+                Raw outputs of the model.
+            target_sizes (`torch.Tensor` of shape `(batch_size, 2)`):
+                Tensor containing the size (height, width) of each image of the batch. For evaluation, this must be the
+                original image size (before any data augmentation). For visualization, this should be the image size
+                after data augment, but before padding.
+        Returns:
+            `List[Dict]`: A list of dictionaries, each dictionary containing the scores, labels and boxes for an image
+            in the batch as predicted by the model.
+        """
+        logger.warning_once(
+            "`post_process` is deprecated and will be removed in v5 of Transformers, please use"
+            " `post_process_object_detection` instead, with `threshold=0.` for equivalent results.",
+        )
+
+        out_logits, out_bbox = outputs.logits, outputs.pred_boxes
+
+        if len(out_logits) != len(target_sizes):
+            raise ValueError("Make sure that you pass in as many target sizes as the batch dimension of the logits")
+        if target_sizes.shape[1] != 2:
+            raise ValueError("Each element of target_sizes must contain the size (h, w) of each image of the batch")
+
+        prob = out_logits.sigmoid()
+        topk_values, topk_indexes = torch.topk(prob.view(out_logits.shape[0], -1), 100, dim=1)
+        scores = topk_values
+        topk_boxes = torch.div(topk_indexes, out_logits.shape[2], rounding_mode="floor")
+        labels = topk_indexes % out_logits.shape[2]
+        boxes = center_to_corners_format(out_bbox)
+        boxes = torch.gather(boxes, 1, topk_boxes.unsqueeze(-1).repeat(1, 1, 4))
+
+        # and from relative [0, 1] to absolute [0, height] coordinates
+        img_h, img_w = target_sizes.unbind(1)
+        scale_fct = torch.stack([img_w, img_h, img_w, img_h], dim=1)
+        boxes = boxes * scale_fct[:, None, :]
+
+        results = [{"scores": s, "labels": l, "boxes": b} for s, l, b in zip(scores, labels, boxes)]
+
+        return results
+
+    def post_process_object_detection(
+        self, outputs, threshold: float = 0.5, target_sizes: Union[TensorType, List[Tuple]] = None, top_k: int = 100
+    ):
+        """
+        Converts the raw output of [`DeformableDetrForObjectDetection`] into final bounding boxes in (top_left_x,
+        top_left_y, bottom_right_x, bottom_right_y) format. Only supports PyTorch.
+
+        Args:
+            outputs ([`DetrObjectDetectionOutput`]):
+                Raw outputs of the model.
+            threshold (`float`, *optional*):
+                Score threshold to keep object detection predictions.
+            target_sizes (`torch.Tensor` or `List[Tuple[int, int]]`, *optional*):
+                Tensor of shape `(batch_size, 2)` or list of tuples (`Tuple[int, int]`) containing the target size
+                (height, width) of each image in the batch. If left to None, predictions will not be resized.
+            top_k (`int`, *optional*, defaults to 100):
+                Keep only top k bounding boxes before filtering by thresholding.
+
+        Returns:
+            `List[Dict]`: A list of dictionaries, each dictionary containing the scores, labels and boxes for an image
+            in the batch as predicted by the model.
+        """
+        out_logits, out_bbox = outputs.logits, outputs.pred_boxes
+
+        if target_sizes is not None:
+            if len(out_logits) != len(target_sizes):
+                raise ValueError(
+                    "Make sure that you pass in as many target sizes as the batch dimension of the logits"
+                )
+
+        prob = out_logits.sigmoid()
+        prob = prob.view(out_logits.shape[0], -1)
+        k_value = min(top_k, prob.size(1))
+        topk_values, topk_indexes = torch.topk(prob, k_value, dim=1)
+        scores = topk_values
+        topk_boxes = torch.div(topk_indexes, out_logits.shape[2], rounding_mode="floor")
+        labels = topk_indexes % out_logits.shape[2]
+        boxes = center_to_corners_format(out_bbox)
+        boxes = torch.gather(boxes, 1, topk_boxes.unsqueeze(-1).repeat(1, 1, 4))
+
+        # and from relative [0, 1] to absolute [0, height] coordinates
+        if target_sizes is not None:
+            if isinstance(target_sizes, List):
+                img_h = torch.Tensor([i[0] for i in target_sizes])
+                img_w = torch.Tensor([i[1] for i in target_sizes])
+            else:
+                img_h, img_w = target_sizes.unbind(1)
+            scale_fct = torch.stack([img_w, img_h, img_w, img_h], dim=1).to(boxes.device)
+            boxes = boxes * scale_fct[:, None, :]
+
+        results = []
+        for s, l, b in zip(scores, labels, boxes):
+            score = s[s > threshold]
+            label = l[s > threshold]
+            box = b[s > threshold]
+            results.append({"scores": score, "labels": label, "boxes": box})
+
+        return results
+
+    def post_process_segmentation():
+        raise NotImplementedError("Segmentation post-processing is not implemented for Deformable DETR yet.")
+
+    def post_process_instance():
+        raise NotImplementedError("Instance post-processing is not implemented for Deformable DETR yet.")
+
+    def post_process_panoptic():
+        raise NotImplementedError("Panoptic post-processing is not implemented for Deformable DETR yet.")
+
+    def post_process_instance_segmentation():
+        raise NotImplementedError("Segmentation post-processing is not implemented for Deformable DETR yet.")
+
+    def post_process_semantic_segmentation():
+        raise NotImplementedError("Semantic segmentation post-processing is not implemented for Deformable DETR yet.")
+
+    def post_process_panoptic_segmentation():
+        raise NotImplementedError("Panoptic segmentation post-processing is not implemented for Deformable DETR yet.")
+
+
+__all__ = ["DeformableDetrImageProcessorFast"]

src/transformers/models/detr/image_processing_detr_fast.py

@@ -72,17 +72,15 @@ if is_torch_available():
 if is_vision_available():
     import PIL
 
+    from ...image_utils import pil_torch_interpolation_mapping
 
-if is_torchvision_available():
+
+if is_torchvision_v2_available():
     from torchvision.io import read_image
-
-    if is_vision_available():
-        from ...image_utils import pil_torch_interpolation_mapping
-
-    if is_torchvision_v2_available():
-        from torchvision.transforms.v2 import functional as F
-    else:
-        from torchvision.transforms import functional as F
+    from torchvision.transforms.v2 import functional as F
+elif is_torchvision_available():
+    from torchvision.io import read_image
+    from torchvision.transforms import functional as F
 
 
 logger = logging.get_logger(__name__)

src/transformers/models/rt_detr/image_processing_rt_detr_fast.py

@@ -1,19 +1,9 @@
-# coding=utf-8
-# Copyright 2024 The HuggingFace Inc. team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Fast Image processor class for RT-DETR."""
-
+#                🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
+#           This file was automatically generated from src/transformers/models/rt_detr/modular_rt_detr.py.
+#               Do NOT edit this file manually as any edits will be overwritten by the generation of
+#             the file from the modular. If any change should be done, please apply the change to the
+#                          modular_rt_detr.py file directly. One of our CI enforces this.
+#                🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨
 import functools
 import pathlib
 from typing import Any, Dict, List, Optional, Tuple, Union
@@ -26,10 +16,7 @@ from ...image_processing_utils_fast import (
     get_max_height_width,
     safe_squeeze,
 )
-from ...image_transforms import (
-    center_to_corners_format,
-    corners_to_center_format,
-)
+from ...image_transforms import center_to_corners_format, corners_to_center_format
 from ...image_utils import (
     IMAGENET_DEFAULT_MEAN,
     IMAGENET_DEFAULT_STD,
@@ -51,30 +38,25 @@ from ...utils import (
     is_torch_available,
     is_torchvision_available,
     is_torchvision_v2_available,
-    logging,
+    is_vision_available,
     requires_backends,
 )
-from .image_processing_rt_detr import (
-    get_size_with_aspect_ratio,
-)
+from .image_processing_rt_detr import get_size_with_aspect_ratio
 
 
 if is_torch_available():
     import torch
 
-
-if is_torchvision_available():
+if is_vision_available():
     from ...image_utils import pil_torch_interpolation_mapping
 
-    if is_torchvision_v2_available():
-        from torchvision.transforms.v2 import functional as F
-    else:
-        from torchvision.transforms import functional as F
 
+if is_torchvision_v2_available():
+    from torchvision.transforms.v2 import functional as F
+elif is_torchvision_available():
+    from torchvision.transforms import functional as F
 
-logger = logging.get_logger(__name__)
-
-SUPPORTED_ANNOTATION_FORMATS = (AnnotationFormat.COCO_DETECTION,)
+SUPPORTED_ANNOTATION_FORMATS = (AnnotationFormat.COCO_DETECTION, AnnotationFormat.COCO_PANOPTIC)
 
 
 def prepare_coco_detection_annotation(
@@ -138,13 +120,13 @@ def prepare_coco_detection_annotation(
 
 class RTDetrImageProcessorFast(BaseImageProcessorFast):
     r"""
-    Constructs a fast RT-DETR DETR image processor.
+    Constructs a fast RTDetr image processor.
 
     Args:
         format (`str`, *optional*, defaults to `AnnotationFormat.COCO_DETECTION`):
             Data format of the annotations. One of "coco_detection" or "coco_panoptic".
         do_resize (`bool`, *optional*, defaults to `True`):
-            Controls whether to resize the image's (height, width) dimensions to the specified `size`. Can be
+            Controls whether to resize the image's `(height, width)` dimensions to the specified `size`. Can be
             overridden by the `do_resize` parameter in the `preprocess` method.
         size (`Dict[str, int]` *optional*, defaults to `{"shortest_edge": 800, "longest_edge": 1333}`):
             Size of the image's `(height, width)` dimensions after resizing. Can be overridden by the `size` parameter
@@ -175,7 +157,7 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
             Standard deviation values to use when normalizing the image. Can be a single value or a list of values, one
             for each channel. Can be overridden by the `image_std` parameter in the `preprocess` method.
         do_convert_annotations (`bool`, *optional*, defaults to `True`):
-            Controls whether to convert the annotations to the format expected by the DETR model. Converts the
+            Controls whether to convert the annotations to the format expected by the RT_DETR model. Converts the
             bounding boxes to the format `(center_x, center_y, width, height)` and in the range `[0, 1]`.
             Can be overridden by the `do_convert_annotations` parameter in the `preprocess` method.
         do_pad (`bool`, *optional*, defaults to `False`):
@@ -237,7 +219,7 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
         input_data_format: Optional[Union[str, ChannelDimension]] = None,
     ) -> Dict:
         """
-        Prepare an annotation for feeding into RTDETR model.
+        Prepare an annotation for feeding into RT_DETR model.
         """
         format = format if format is not None else self.format
 
@@ -250,7 +232,6 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
             raise ValueError(f"Format {format} is not supported.")
         return target
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.resize
     def resize(
         self,
         image: torch.Tensor,
@@ -305,7 +286,6 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
         )
         return image
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.resize_annotation
     def resize_annotation(
         self,
         annotation: Dict[str, Any],
@@ -359,7 +339,6 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
 
         return new_annotation
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.normalize_annotation
     def normalize_annotation(self, annotation: Dict, image_size: Tuple[int, int]) -> Dict:
         image_height, image_width = image_size
         norm_annotation = {}
@@ -375,7 +354,6 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
                 norm_annotation[key] = value
         return norm_annotation
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast._update_annotation_for_padded_image
     def _update_annotation_for_padded_image(
         self,
         annotation: Dict,
@@ -411,7 +389,6 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
                 new_annotation[key] = value
         return new_annotation
 
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast.pad
     def pad(
         self,
         image: torch.Tensor,
@@ -443,7 +420,6 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
         return image, pixel_mask, annotation
 
     @functools.lru_cache(maxsize=1)
-    # Copied from transformers.models.detr.image_processing_detr_fast.DetrImageProcessorFast._validate_input_arguments
     def _validate_input_arguments(
         self,
         do_rescale: bool,
@@ -726,7 +702,6 @@ class RTDetrImageProcessorFast(BaseImageProcessorFast):
             ]
         return encoded_inputs
 
-    # Copied from transformers.models.rt_detr.image_processing_rt_detr.RTDetrImageProcessor.post_process_object_detection
     def post_process_object_detection(
         self,
         outputs,

src/transformers/models/rt_detr/modular_rt_detr.py

@@ -0,0 +1,577 @@
+import pathlib
+from typing import Dict, List, Optional, Tuple, Union
+
+from transformers.models.detr.image_processing_detr_fast import DetrImageProcessorFast
+
+from ...image_processing_utils import BatchFeature, get_size_dict
+from ...image_processing_utils_fast import (
+    BaseImageProcessorFast,
+    SizeDict,
+    get_max_height_width,
+)
+from ...image_transforms import center_to_corners_format
+from ...image_utils import (
+    IMAGENET_DEFAULT_MEAN,
+    IMAGENET_DEFAULT_STD,
+    AnnotationFormat,
+    AnnotationType,
+    ChannelDimension,
+    ImageInput,
+    ImageType,
+    PILImageResampling,
+    get_image_size,
+    get_image_type,
+    infer_channel_dimension_format,
+    make_list_of_images,
+    validate_annotations,
+)
+from ...utils import (
+    TensorType,
+    filter_out_non_signature_kwargs,
+    is_torch_available,
+    is_torchvision_available,
+    is_torchvision_v2_available,
+    is_vision_available,
+    logging,
+    requires_backends,
+)
+
+
+if is_torch_available():
+    import torch
+
+if is_vision_available():
+    from ...image_utils import pil_torch_interpolation_mapping
+
+
+if is_torchvision_v2_available():
+    from torchvision.transforms.v2 import functional as F
+elif is_torchvision_available():
+    from torchvision.transforms import functional as F
+
+
+logger = logging.get_logger(__name__)
+
+SUPPORTED_ANNOTATION_FORMATS = (AnnotationFormat.COCO_DETECTION,)
+
+
+def prepare_coco_detection_annotation(
+    image,
+    target,
+    return_segmentation_masks: bool = False,
+    input_data_format: Optional[Union[ChannelDimension, str]] = None,
+):
+    """
+    Convert the target in COCO format into the format expected by RT-DETR.
+    """
+    image_height, image_width = image.size()[-2:]
+
+    image_id = target["image_id"]
+    image_id = torch.as_tensor([image_id], dtype=torch.int64, device=image.device)
+
+    # Get all COCO annotations for the given image.
+    annotations = target["annotations"]
+    classes = []
+    area = []
+    boxes = []
+    keypoints = []
+    for obj in annotations:
+        if "iscrowd" not in obj or obj["iscrowd"] == 0:
+            classes.append(obj["category_id"])
+            area.append(obj["area"])
+            boxes.append(obj["bbox"])
+            if "keypoints" in obj:
+                keypoints.append(obj["keypoints"])
+
+    classes = torch.as_tensor(classes, dtype=torch.int64, device=image.device)
+    area = torch.as_tensor(area, dtype=torch.float32, device=image.device)
+    iscrowd = torch.zeros_like(classes, dtype=torch.int64, device=image.device)
+    # guard against no boxes via resizing
+    boxes = torch.as_tensor(boxes, dtype=torch.float32, device=image.device).reshape(-1, 4)
+    boxes[:, 2:] += boxes[:, :2]
+    boxes[:, 0::2] = boxes[:, 0::2].clip(min=0, max=image_width)
+    boxes[:, 1::2] = boxes[:, 1::2].clip(min=0, max=image_height)
+
+    keep = (boxes[:, 3] > boxes[:, 1]) & (boxes[:, 2] > boxes[:, 0])
+
+    new_target = {
+        "image_id": image_id,
+        "class_labels": classes[keep],
+        "boxes": boxes[keep],
+        "area": area[keep],
+        "iscrowd": iscrowd[keep],
+        "orig_size": torch.as_tensor([int(image_height), int(image_width)], dtype=torch.int64, device=image.device),
+    }
+
+    if keypoints:
+        keypoints = torch.as_tensor(keypoints, dtype=torch.float32, device=image.device)
+        # Apply the keep mask here to filter the relevant annotations
+        keypoints = keypoints[keep]
+        num_keypoints = keypoints.shape[0]
+        keypoints = keypoints.reshape((-1, 3)) if num_keypoints else keypoints
+        new_target["keypoints"] = keypoints
+
+    return new_target
+
+
+class RTDetrImageProcessorFast(DetrImageProcessorFast, BaseImageProcessorFast):
+    r"""
+    Constructs a fast RTDetr image processor.
+
+    Args:
+        format (`str`, *optional*, defaults to `AnnotationFormat.COCO_DETECTION`):
+            Data format of the annotations. One of "coco_detection" or "coco_panoptic".
+        do_resize (`bool`, *optional*, defaults to `True`):
+            Controls whether to resize the image's `(height, width)` dimensions to the specified `size`. Can be
+            overridden by the `do_resize` parameter in the `preprocess` method.
+        size (`Dict[str, int]` *optional*, defaults to `{"shortest_edge": 800, "longest_edge": 1333}`):
+            Size of the image's `(height, width)` dimensions after resizing. Can be overridden by the `size` parameter
+            in the `preprocess` method. Available options are:
+                - `{"height": int, "width": int}`: The image will be resized to the exact size `(height, width)`.
+                    Do NOT keep the aspect ratio.
+                - `{"shortest_edge": int, "longest_edge": int}`: The image will be resized to a maximum size respecting
+                    the aspect ratio and keeping the shortest edge less or equal to `shortest_edge` and the longest edge
+                    less or equal to `longest_edge`.
+                - `{"max_height": int, "max_width": int}`: The image will be resized to the maximum size respecting the
+                    aspect ratio and keeping the height less or equal to `max_height` and the width less or equal to
+                    `max_width`.
+        resample (`PILImageResampling`, *optional*, defaults to `PILImageResampling.BILINEAR`):
+            Resampling filter to use if resizing the image.
+        do_rescale (`bool`, *optional*, defaults to `True`):
+            Controls whether to rescale the image by the specified scale `rescale_factor`. Can be overridden by the
+            `do_rescale` parameter in the `preprocess` method.
+        rescale_factor (`int` or `float`, *optional*, defaults to `1/255`):
+            Scale factor to use if rescaling the image. Can be overridden by the `rescale_factor` parameter in the
+            `preprocess` method.
+        do_normalize (`bool`, *optional*, defaults to `False`):
+            Controls whether to normalize the image. Can be overridden by the `do_normalize` parameter in the
+            `preprocess` method.
+        image_mean (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_MEAN`):
+            Mean values to use when normalizing the image. Can be a single value or a list of values, one for each
+            channel. Can be overridden by the `image_mean` parameter in the `preprocess` method.
+        image_std (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_STD`):
+            Standard deviation values to use when normalizing the image. Can be a single value or a list of values, one
+            for each channel. Can be overridden by the `image_std` parameter in the `preprocess` method.
+        do_convert_annotations (`bool`, *optional*, defaults to `True`):
+            Controls whether to convert the annotations to the format expected by the RT_DETR model. Converts the
+            bounding boxes to the format `(center_x, center_y, width, height)` and in the range `[0, 1]`.
+            Can be overridden by the `do_convert_annotations` parameter in the `preprocess` method.
+        do_pad (`bool`, *optional*, defaults to `False`):
+            Controls whether to pad the image. Can be overridden by the `do_pad` parameter in the `preprocess`
+            method. If `True`, padding will be applied to the bottom and right of the image with zeros.
+            If `pad_size` is provided, the image will be padded to the specified dimensions.
+            Otherwise, the image will be padded to the maximum height and width of the batch.
+        pad_size (`Dict[str, int]`, *optional*):
+            The size `{"height": int, "width" int}` to pad the images to. Must be larger than any image size
+            provided for preprocessing. If `pad_size` is not provided, images will be padded to the largest
+            height and width in the batch.
+    """
+
+    def __init__(
+        self,
+        format: Union[str, AnnotationFormat] = AnnotationFormat.COCO_DETECTION,
+        do_resize: bool = True,
+        size: Dict[str, int] = None,
+        resample: Union[PILImageResampling, "F.InterpolationMode"] = PILImageResampling.BILINEAR,
+        do_rescale: bool = True,
+        rescale_factor: Union[int, float] = 1 / 255,
+        do_normalize: bool = False,
+        image_mean: Union[float, List[float]] = None,
+        image_std: Union[float, List[float]] = None,
+        do_convert_annotations: bool = True,
+        do_pad: bool = False,
+        pad_size: Optional[Dict[str, int]] = None,
+        **kwargs,
+    ) -> None:
+        size = size if size is not None else {"height": 640, "width": 640}
+        size = get_size_dict(size, default_to_square=False)
+
+        if do_convert_annotations is None:
+            do_convert_annotations = do_normalize
+
+        BaseImageProcessorFast.__init__(**kwargs)
+        self.format = format
+        self.do_resize = do_resize
+        self.size = size
+        self.resample = resample
+        self.do_rescale = do_rescale
+        self.rescale_factor = rescale_factor
+        self.do_normalize = do_normalize
+        self.do_convert_annotations = do_convert_annotations
+        self.image_mean = image_mean if image_mean is not None else IMAGENET_DEFAULT_MEAN
+        self.image_std = image_std if image_std is not None else IMAGENET_DEFAULT_STD
+        self.do_pad = do_pad
+        self.pad_size = pad_size
+
+    def prepare_annotation(
+        self,
+        image: torch.Tensor,
+        target: Dict,
+        format: Optional[AnnotationFormat] = None,
+        return_segmentation_masks: bool = None,
+        masks_path: Optional[Union[str, pathlib.Path]] = None,
+        input_data_format: Optional[Union[str, ChannelDimension]] = None,
+    ) -> Dict:
+        format = format if format is not None else self.format
+
+        if format == AnnotationFormat.COCO_DETECTION:
+            return_segmentation_masks = False if return_segmentation_masks is None else return_segmentation_masks
+            target = prepare_coco_detection_annotation(
+                image, target, return_segmentation_masks, input_data_format=input_data_format
+            )
+        else:
+            raise ValueError(f"Format {format} is not supported.")
+        return target
+
+    @filter_out_non_signature_kwargs(extra=["device"])
+    def preprocess(
+        self,
+        images: ImageInput,
+        annotations: Optional[Union[AnnotationType, List[AnnotationType]]] = None,
+        return_segmentation_masks: bool = None,
+        masks_path: Optional[Union[str, pathlib.Path]] = None,
+        do_resize: Optional[bool] = None,
+        size: Optional[Dict[str, int]] = None,
+        resample: Optional[Union[PILImageResampling, "F.InterpolationMode"]] = None,
+        do_rescale: Optional[bool] = None,
+        rescale_factor: Optional[Union[int, float]] = None,
+        do_normalize: Optional[bool] = None,
+        do_convert_annotations: Optional[bool] = None,
+        image_mean: Optional[Union[float, List[float]]] = None,
+        image_std: Optional[Union[float, List[float]]] = None,
+        do_pad: Optional[bool] = None,
+        format: Optional[Union[str, AnnotationFormat]] = None,
+        return_tensors: Optional[Union[TensorType, str]] = None,
+        data_format: Union[str, ChannelDimension] = ChannelDimension.FIRST,
+        input_data_format: Optional[Union[str, ChannelDimension]] = None,
+        pad_size: Optional[Dict[str, int]] = None,
+        **kwargs,
+    ) -> BatchFeature:
+        """
+        Preprocess an image or a batch of images so that it can be used by the model.
+
+        Args:
+            images (`ImageInput`):
+                Image or batch of images to preprocess. Expects a single or batch of images with pixel values ranging
+                from 0 to 255. If passing in images with pixel values between 0 and 1, set `do_rescale=False`.
+            annotations (`AnnotationType` or `List[AnnotationType]`, *optional*):
+                List of annotations associated with the image or batch of images. If annotation is for object
+                detection, the annotations should be a dictionary with the following keys:
+                - "image_id" (`int`): The image id.
+                - "annotations" (`List[Dict]`): List of annotations for an image. Each annotation should be a
+                  dictionary. An image can have no annotations, in which case the list should be empty.
+                If annotation is for segmentation, the annotations should be a dictionary with the following keys:
+                - "image_id" (`int`): The image id.
+                - "segments_info" (`List[Dict]`): List of segments for an image. Each segment should be a dictionary.
+                  An image can have no segments, in which case the list should be empty.
+                - "file_name" (`str`): The file name of the image.
+            return_segmentation_masks (`bool`, *optional*, defaults to self.return_segmentation_masks):
+                Whether to return segmentation masks.
+            masks_path (`str` or `pathlib.Path`, *optional*):
+                Path to the directory containing the segmentation masks.
+            do_resize (`bool`, *optional*, defaults to self.do_resize):
+                Whether to resize the image.
+            size (`Dict[str, int]`, *optional*, defaults to self.size):
+                Size of the image's `(height, width)` dimensions after resizing. Available options are:
+                    - `{"height": int, "width": int}`: The image will be resized to the exact size `(height, width)`.
+                        Do NOT keep the aspect ratio.
+                    - `{"shortest_edge": int, "longest_edge": int}`: The image will be resized to a maximum size respecting
+                        the aspect ratio and keeping the shortest edge less or equal to `shortest_edge` and the longest edge
+                        less or equal to `longest_edge`.
+                    - `{"max_height": int, "max_width": int}`: The image will be resized to the maximum size respecting the
+                        aspect ratio and keeping the height less or equal to `max_height` and the width less or equal to
+                        `max_width`.
+            resample (`PILImageResampling` or `InterpolationMode`, *optional*, defaults to self.resample):
+                Resampling filter to use when resizing the image.
+            do_rescale (`bool`, *optional*, defaults to self.do_rescale):
+                Whether to rescale the image.
+            rescale_factor (`float`, *optional*, defaults to self.rescale_factor):
+                Rescale factor to use when rescaling the image.
+            do_normalize (`bool`, *optional*, defaults to self.do_normalize):
+                Whether to normalize the image.
+            do_convert_annotations (`bool`, *optional*, defaults to self.do_convert_annotations):
+                Whether to convert the annotations to the format expected by the model. Converts the bounding
+                boxes from the format `(top_left_x, top_left_y, width, height)` to `(center_x, center_y, width, height)`
+                and in relative coordinates.
+            image_mean (`float` or `List[float]`, *optional*, defaults to self.image_mean):
+                Mean to use when normalizing the image.
+            image_std (`float` or `List[float]`, *optional*, defaults to self.image_std):
+                Standard deviation to use when normalizing the image.
+            do_pad (`bool`, *optional*, defaults to self.do_pad):
+                Whether to pad the image. If `True`, padding will be applied to the bottom and right of
+                the image with zeros. If `pad_size` is provided, the image will be padded to the specified
+                dimensions. Otherwise, the image will be padded to the maximum height and width of the batch.
+            format (`str` or `AnnotationFormat`, *optional*, defaults to self.format):
+                Format of the annotations.
+            return_tensors (`str` or `TensorType`, *optional*, defaults to self.return_tensors):
+                Type of tensors to return. If `None`, will return the list of images.
+            data_format (`ChannelDimension` or `str`, *optional*, defaults to `ChannelDimension.FIRST`):
+                The channel dimension format for the output image. Can be one of:
+                - `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
+                - `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
+                - Unset: Use the channel dimension format of the input image.
+            input_data_format (`ChannelDimension` or `str`, *optional*):
+                The channel dimension format for the input image. If unset, the channel dimension format is inferred
+                from the input image. Can be one of:
+                - `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
+                - `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
+                - `"none"` or `ChannelDimension.NONE`: image in (height, width) format.
+            pad_size (`Dict[str, int]`, *optional*):
+                The size `{"height": int, "width" int}` to pad the images to. Must be larger than any image size
+                provided for preprocessing. If `pad_size` is not provided, images will be padded to the largest
+                height and width in the batch.
+        """
+        do_resize = self.do_resize if do_resize is None else do_resize
+        size = self.size if size is None else size
+        size = get_size_dict(size=size, default_to_square=True)
+        resample = self.resample if resample is None else resample
+        do_rescale = self.do_rescale if do_rescale is None else do_rescale
+        rescale_factor = self.rescale_factor if rescale_factor is None else rescale_factor
+        do_normalize = self.do_normalize if do_normalize is None else do_normalize
+        image_mean = self.image_mean if image_mean is None else image_mean
+        image_std = self.image_std if image_std is None else image_std
+        do_convert_annotations = (
+            self.do_convert_annotations if do_convert_annotations is None else do_convert_annotations
+        )
+        do_pad = self.do_pad if do_pad is None else do_pad
+        pad_size = self.pad_size if pad_size is None else pad_size
+        format = self.format if format is None else format
+        return_tensors = "pt" if return_tensors is None else return_tensors
+        device = kwargs.pop("device", None)
+
+        # Make hashable for cache
+        size = SizeDict(**size)
+        image_mean = tuple(image_mean) if isinstance(image_mean, list) else image_mean
+        image_std = tuple(image_std) if isinstance(image_std, list) else image_std
+
+        images = make_list_of_images(images)
+        image_type = get_image_type(images[0])
+
+        if image_type not in [ImageType.PIL, ImageType.TORCH, ImageType.NUMPY]:
+            raise ValueError(f"Unsupported input image type {image_type}")
+
+        self._validate_input_arguments(
+            do_rescale=do_rescale,
+            rescale_factor=rescale_factor,
+            do_normalize=do_normalize,
+            image_mean=image_mean,
+            image_std=image_std,
+            do_resize=do_resize,
+            size=size,
+            resample=resample,
+            return_tensors=return_tensors,
+            data_format=data_format,
+        )
+
+        if annotations is not None and isinstance(annotations, dict):
+            annotations = [annotations]
+
+        if annotations is not None and len(images) != len(annotations):
+            raise ValueError(
+                f"The number of images ({len(images)}) and annotations ({len(annotations)}) do not match."
+            )
+
+        format = AnnotationFormat(format)
+        if annotations is not None:
+            validate_annotations(format, SUPPORTED_ANNOTATION_FORMATS, annotations)
+
+        data = {}
+        if image_type == ImageType.PIL:
+            images = [F.pil_to_tensor(image) for image in images]
+        elif image_type == ImageType.NUMPY:
+            # not using F.to_tensor as it doesn't handle (C, H, W) numpy arrays
+            images = [torch.from_numpy(image).contiguous() for image in images]
+
+        if device is not None:
+            images = [image.to(device) for image in images]
+
+        # We assume that all images have the same channel dimension format.
+        if input_data_format is None:
+            input_data_format = infer_channel_dimension_format(images[0])
+        if input_data_format == ChannelDimension.LAST:
+            images = [image.permute(2, 0, 1).contiguous() for image in images]
+            input_data_format = ChannelDimension.FIRST
+
+        if do_rescale and do_normalize:
+            # fused rescale and normalize
+            new_mean = torch.tensor(image_mean, device=images[0].device) * (1.0 / rescale_factor)
+            new_std = torch.tensor(image_std, device=images[0].device) * (1.0 / rescale_factor)
+
+        processed_images = []
+        processed_annotations = []
+        pixel_masks = []  # Initialize pixel_masks here
+        for image, annotation in zip(images, annotations if annotations is not None else [None] * len(images)):
+            # prepare (COCO annotations as a list of Dict -> DETR target as a single Dict per image)
+            if annotations is not None:
+                annotation = self.prepare_annotation(
+                    image,
+                    annotation,
+                    format,
+                    return_segmentation_masks=return_segmentation_masks,
+                    masks_path=masks_path,
+                    input_data_format=input_data_format,
+                )
+
+            if do_resize:
+                interpolation = (
+                    pil_torch_interpolation_mapping[resample]
+                    if isinstance(resample, (PILImageResampling, int))
+                    else resample
+                )
+                resized_image = self.resize(image, size=size, interpolation=interpolation)
+                if annotations is not None:
+                    annotation = self.resize_annotation(
+                        annotation,
+                        orig_size=image.size()[-2:],
+                        target_size=resized_image.size()[-2:],
+                    )
+                image = resized_image
+
+            if do_rescale and do_normalize:
+                # fused rescale and normalize
+                image = F.normalize(image.to(dtype=torch.float32), new_mean, new_std)
+            elif do_rescale:
+                image = image * rescale_factor
+            elif do_normalize:
+                image = F.normalize(image, image_mean, image_std)
+
+            if do_convert_annotations and annotations is not None:
+                annotation = self.normalize_annotation(annotation, get_image_size(image, input_data_format))
+
+            processed_images.append(image)
+            processed_annotations.append(annotation)
+        images = processed_images
+        annotations = processed_annotations if annotations is not None else None
+
+        if do_pad:
+            # depends on all resized image shapes so we need another loop
+            if pad_size is not None:
+                padded_size = (pad_size["height"], pad_size["width"])
+            else:
+                padded_size = get_max_height_width(images)
+
+            padded_images = []
+            padded_annotations = []
+            for image, annotation in zip(images, annotations if annotations is not None else [None] * len(images)):
+                # Pads images and returns their mask: {'pixel_values': ..., 'pixel_mask': ...}
+                if padded_size == image.size()[-2:]:
+                    padded_images.append(image)
+                    pixel_masks.append(torch.ones(padded_size, dtype=torch.int64, device=image.device))
+                    padded_annotations.append(annotation)
+                    continue
+                image, pixel_mask, annotation = self.pad(
+                    image, padded_size, annotation=annotation, update_bboxes=do_convert_annotations
+                )
+                padded_images.append(image)
+                padded_annotations.append(annotation)
+                pixel_masks.append(pixel_mask)
+            images = padded_images
+            annotations = padded_annotations if annotations is not None else None
+            data.update({"pixel_mask": torch.stack(pixel_masks, dim=0)})
+
+        data.update({"pixel_values": torch.stack(images, dim=0)})
+        encoded_inputs = BatchFeature(data, tensor_type=return_tensors)
+        if annotations is not None:
+            encoded_inputs["labels"] = [
+                BatchFeature(annotation, tensor_type=return_tensors) for annotation in annotations
+            ]
+        return encoded_inputs
+
+    def post_process_object_detection(
+        self,
+        outputs,
+        threshold: float = 0.5,
+        target_sizes: Union[TensorType, List[Tuple]] = None,
+        use_focal_loss: bool = True,
+    ):
+        """
+        Converts the raw output of [`DetrForObjectDetection`] into final bounding boxes in (top_left_x, top_left_y,
+        bottom_right_x, bottom_right_y) format. Only supports PyTorch.
+
+        Args:
+            outputs ([`DetrObjectDetectionOutput`]):
+                Raw outputs of the model.
+            threshold (`float`, *optional*, defaults to 0.5):
+                Score threshold to keep object detection predictions.
+            target_sizes (`torch.Tensor` or `List[Tuple[int, int]]`, *optional*):
+                Tensor of shape `(batch_size, 2)` or list of tuples (`Tuple[int, int]`) containing the target size
+                `(height, width)` of each image in the batch. If unset, predictions will not be resized.
+            use_focal_loss (`bool` defaults to `True`):
+                Variable informing if the focal loss was used to predict the outputs. If `True`, a sigmoid is applied
+                to compute the scores of each detection, otherwise, a softmax function is used.
+
+        Returns:
+            `List[Dict]`: A list of dictionaries, each dictionary containing the scores, labels and boxes for an image
+            in the batch as predicted by the model.
+        """
+        requires_backends(self, ["torch"])
+        out_logits, out_bbox = outputs.logits, outputs.pred_boxes
+        # convert from relative cxcywh to absolute xyxy
+        boxes = center_to_corners_format(out_bbox)
+        if target_sizes is not None:
+            if len(out_logits) != len(target_sizes):
+                raise ValueError(
+                    "Make sure that you pass in as many target sizes as the batch dimension of the logits"
+                )
+            if isinstance(target_sizes, List):
+                img_h, img_w = torch.as_tensor(target_sizes).unbind(1)
+            else:
+                img_h, img_w = target_sizes.unbind(1)
+            scale_fct = torch.stack([img_w, img_h, img_w, img_h], dim=1).to(boxes.device)
+            boxes = boxes * scale_fct[:, None, :]
+
+        num_top_queries = out_logits.shape[1]
+        num_classes = out_logits.shape[2]
+
+        if use_focal_loss:
+            scores = torch.nn.functional.sigmoid(out_logits)
+            scores, index = torch.topk(scores.flatten(1), num_top_queries, axis=-1)
+            labels = index % num_classes
+            index = index // num_classes
+            boxes = boxes.gather(dim=1, index=index.unsqueeze(-1).repeat(1, 1, boxes.shape[-1]))
+        else:
+            scores = torch.nn.functional.softmax(out_logits)[:, :, :-1]
+            scores, labels = scores.max(dim=-1)
+            if scores.shape[1] > num_top_queries:
+                scores, index = torch.topk(scores, num_top_queries, dim=-1)
+                labels = torch.gather(labels, dim=1, index=index)
+                boxes = torch.gather(boxes, dim=1, index=index.unsqueeze(-1).tile(1, 1, boxes.shape[-1]))
+
+        results = []
+        for score, label, box in zip(scores, labels, boxes):
+            results.append(
+                {
+                    "scores": score[score > threshold],
+                    "labels": label[score > threshold],
+                    "boxes": box[score > threshold],
+                }
+            )
+
+        return results
+
+    def from_dict():
+        raise NotImplementedError("No need to override this method for RT-DETR yet.")
+
+    def post_process():
+        raise NotImplementedError("Post-processing is not implemented for RT-DETR yet.")
+
+    def post_process_segmentation():
+        raise NotImplementedError("Segmentation post-processing is not implemented for RT-DETR yet.")
+
+    def post_process_instance():
+        raise NotImplementedError("Instance post-processing is not implemented for RT-DETR yet.")
+
+    def post_process_panoptic():
+        raise NotImplementedError("Panoptic post-processing is not implemented for RT-DETR yet.")
+
+    def post_process_instance_segmentation():
+        raise NotImplementedError("Segmentation post-processing is not implemented for RT-DETR yet.")
+
+    def post_process_semantic_segmentation():
+        raise NotImplementedError("Semantic segmentation post-processing is not implemented for RT-DETR yet.")
+
+    def post_process_panoptic_segmentation():
+        raise NotImplementedError("Panoptic segmentation post-processing is not implemented for RT-DETR yet.")
+
+
+__all__ = ["RTDetrImageProcessorFast"]

utils/check_modular_conversion.py

@@ -18,7 +18,9 @@ console = Console()
 
 
 def process_file(modular_file_path, generated_modeling_content, file_type="modeling_", fix_and_overwrite=False):
-    file_path = modular_file_path.replace("modular_", f"{file_type}_")
+    file_name_prefix = file_type.split("*")[0]
+    file_name_suffix = file_type.split("*")[-1] if "*" in file_type else ""
+    file_path = modular_file_path.replace("modular_", f"{file_name_prefix}_").replace(".py", f"{file_name_suffix}.py")
     # Read the actual modeling file
     with open(file_path, "r") as modeling_file:
         content = modeling_file.read()

utils/create_dependency_mapping.py

@@ -7,10 +7,15 @@ def topological_sort(dependencies):
     new_dependencies = {}
     graph = defaultdict(list)
     for node, deps in dependencies.items():
+        node_name = node.split("/")[-2]
         for dep in deps:
-            if "example" not in node and "auto" not in dep:
-                graph[dep.split(".")[-2]].append(node.split("/")[-2])
-        new_dependencies[node.split("/")[-2]] = node
+            dep_name = dep.split(".")[-2]
+            if dep_name == node_name:
+                # Skip self dependencies for topological sort as they create cycles
+                continue
+            if "example" not in node and "auto" not in dep and node_name not in graph[dep_name]:
+                graph[dep_name].append(node_name)
+        new_dependencies[node_name] = node
 
     # Create a graph and in-degree count for each node
     def filter_one_by_one(filtered_list, reverse):
@@ -54,7 +59,7 @@ def extract_classes_and_imports(file_path):
     for node in ast.walk(tree):
         if isinstance(node, (ast.Import, ast.ImportFrom)):
             module = node.module if isinstance(node, ast.ImportFrom) else None
-            if module and (".modeling_" in module):
+            if module and (".modeling_" in module or "transformers.models" in module):
                 imports.add(module)
     return imports
 

utils/modular_model_converter.py

@@ -1059,6 +1059,7 @@ TYPE_TO_FILE_TYPE = {
     "Tokenizer": "tokenization",
     "Processor": "processing",
     "ImageProcessor": "image_processing",
+    "ImageProcessorFast": "image_processing*_fast",  # "*" indicates where to insert the model name before the "_fast" suffix
     "FeatureExtractor": "feature_extractor",
     "ProcessorKwargs": "processing",
     "ImagesKwargs": "processing",
@@ -1658,11 +1659,16 @@ def convert_modular_file(modular_file):
 
 def save_modeling_file(modular_file, converted_file):
     for file_type in converted_file.keys():
+        file_name_prefix = file_type.split("*")[0]
+        file_name_suffix = file_type.split("*")[-1] if "*" in file_type else ""
+        new_file_name = modular_file.replace("modular_", f"{file_name_prefix}_").replace(
+            ".py", f"{file_name_suffix}.py"
+        )
         non_comment_lines = len(
             [line for line in converted_file[file_type][0].strip().split("\n") if not line.strip().startswith("#")]
         )
         if len(converted_file[file_type][0].strip()) > 0 and non_comment_lines > 0:
-            with open(modular_file.replace("modular_", f"{file_type}_"), "w", encoding="utf-8") as f:
+            with open(new_file_name, "w", encoding="utf-8") as f:
                 f.write(converted_file[file_type][0])
         else:
             non_comment_lines = len(
@@ -1670,7 +1676,7 @@ def save_modeling_file(modular_file, converted_file):
             )
             if len(converted_file[file_type][1].strip()) > 0 and non_comment_lines > 0:
                 logger.warning("The modeling code contains errors, it's written without formatting")
-                with open(modular_file.replace("modular_", f"{file_type}_"), "w", encoding="utf-8") as f:
+                with open(new_file_name, "w", encoding="utf-8") as f:
                     f.write(converted_file[file_type][1])