SUMIN/HuggingFace_transformer
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Add Image Processor Fast RT-DETR (#34354)

Browse Source 
* add fast image processor rtdetr

* add gpu/cpu test and fix docstring

* remove prints

* add to doc

* nit docstring

* avoid iterating over images/annotations several times

* change torch typing

* Add image processor fast documentation
This commit is contained in:
Yoni Gozlan
2024-10-30 13:49:47 -04:00
committed by GitHub
parent 9f06fb0505
commit 48872fd6ae
12 changed files with 1251 additions and 317 deletions
Download Patch File Download Diff File Expand all files Collapse all files

412
tests/models/rt_detr/test_image_processing_rt_detr.py
View File

@@ -16,8 +16,8 @@ import unittest
import requests
from transformers.testing_utils import require_torch, require_vision, slow
from transformers.utils import is_torch_available, is_vision_available
from transformers.testing_utils import require_torch, require_torch_gpu, require_vision, slow
from transformers.utils import is_torch_available, is_torchvision_available, is_vision_available
from ...test_image_processing_common import ImageProcessingTestMixin, prepare_image_inputs
@@ -25,7 +25,7 @@ from ...test_image_processing_common import ImageProcessingTestMixin, prepare_im
if is_vision_available():
from PIL import Image
from transformers import RTDetrImageProcessor
from transformers import RTDetrImageProcessor, RTDetrImageProcessorFast
if is_torch_available():
import torch
@@ -91,6 +91,7 @@ class RTDetrImageProcessingTester(unittest.TestCase):
@require_vision
class RtDetrImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
image_processing_class = RTDetrImageProcessor if is_vision_available() else None
fast_image_processing_class = RTDetrImageProcessorFast if is_torchvision_available() else None
def setUp(self):
super().setUp()
@@ -101,17 +102,19 @@ class RtDetrImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
return self.image_processor_tester.prepare_image_processor_dict()
def test_image_processor_properties(self):
image_processing = self.image_processing_class(**self.image_processor_dict)
self.assertTrue(hasattr(image_processing, "do_resize"))
self.assertTrue(hasattr(image_processing, "size"))
self.assertTrue(hasattr(image_processing, "resample"))
self.assertTrue(hasattr(image_processing, "do_rescale"))
self.assertTrue(hasattr(image_processing, "rescale_factor"))
self.assertTrue(hasattr(image_processing, "return_tensors"))
for image_processing_class in self.image_processor_list:
image_processing = image_processing_class(**self.image_processor_dict)
self.assertTrue(hasattr(image_processing, "do_resize"))
self.assertTrue(hasattr(image_processing, "size"))
self.assertTrue(hasattr(image_processing, "resample"))
self.assertTrue(hasattr(image_processing, "do_rescale"))
self.assertTrue(hasattr(image_processing, "rescale_factor"))
self.assertTrue(hasattr(image_processing, "return_tensors"))
def test_image_processor_from_dict_with_kwargs(self):
image_processor = self.image_processing_class.from_dict(self.image_processor_dict)
self.assertEqual(image_processor.size, {"height": 640, "width": 640})
for image_processing_class in self.image_processor_list:
image_processor = image_processing_class.from_dict(self.image_processor_dict)
self.assertEqual(image_processor.size, {"height": 640, "width": 640})
def test_valid_coco_detection_annotations(self):
# prepare image and target
@@ -121,32 +124,33 @@ class RtDetrImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
params = {"image_id": 39769, "annotations": target}
# encode them
image_processing = RTDetrImageProcessor.from_pretrained("PekingU/rtdetr_r50vd")
for image_processing_class in self.image_processor_list:
# encode them
image_processing = image_processing_class.from_pretrained("PekingU/rtdetr_r50vd")
# legal encodings (single image)
_ = image_processing(images=image, annotations=params, return_tensors="pt")
_ = image_processing(images=image, annotations=[params], return_tensors="pt")
# legal encodings (single image)
_ = image_processing(images=image, annotations=params, return_tensors="pt")
_ = image_processing(images=image, annotations=[params], return_tensors="pt")
# legal encodings (batch of one image)
_ = image_processing(images=[image], annotations=params, return_tensors="pt")
_ = image_processing(images=[image], annotations=[params], return_tensors="pt")
# legal encodings (batch of one image)
_ = image_processing(images=[image], annotations=params, return_tensors="pt")
_ = image_processing(images=[image], annotations=[params], return_tensors="pt")
# legal encoding (batch of more than one image)
n = 5
_ = image_processing(images=[image] * n, annotations=[params] * n, return_tensors="pt")
# legal encoding (batch of more than one image)
n = 5
_ = image_processing(images=[image] * n, annotations=[params] * n, return_tensors="pt")
# example of an illegal encoding (missing the 'image_id' key)
with self.assertRaises(ValueError) as e:
image_processing(images=image, annotations={"annotations": target}, return_tensors="pt")
# example of an illegal encoding (missing the 'image_id' key)
with self.assertRaises(ValueError) as e:
image_processing(images=image, annotations={"annotations": target}, return_tensors="pt")
self.assertTrue(str(e.exception).startswith("Invalid COCO detection annotations"))
self.assertTrue(str(e.exception).startswith("Invalid COCO detection annotations"))
# example of an illegal encoding (unequal lengths of images and annotations)
with self.assertRaises(ValueError) as e:
image_processing(images=[image] * n, annotations=[params] * (n - 1), return_tensors="pt")
# example of an illegal encoding (unequal lengths of images and annotations)
with self.assertRaises(ValueError) as e:
image_processing(images=[image] * n, annotations=[params] * (n - 1), return_tensors="pt")
self.assertTrue(str(e.exception) == "The number of images (5) and annotations (4) do not match.")
self.assertTrue(str(e.exception) == "The number of images (5) and annotations (4) do not match.")
@slow
def test_call_pytorch_with_coco_detection_annotations(self):
@@ -157,55 +161,57 @@ class RtDetrImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
target = {"image_id": 39769, "annotations": target}
# encode them
image_processing = RTDetrImageProcessor.from_pretrained("PekingU/rtdetr_r50vd")
encoding = image_processing(images=image, annotations=target, return_tensors="pt")
for image_processing_class in self.image_processor_list:
# encode them
image_processing = image_processing_class.from_pretrained("PekingU/rtdetr_r50vd")
encoding = image_processing(images=image, annotations=target, return_tensors="pt")
# verify pixel values
expected_shape = torch.Size([1, 3, 640, 640])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
# verify pixel values
expected_shape = torch.Size([1, 3, 640, 640])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
expected_slice = torch.tensor([0.5490, 0.5647, 0.5725])
self.assertTrue(torch.allclose(encoding["pixel_values"][0, 0, 0, :3], expected_slice, atol=1e-4))
expected_slice = torch.tensor([0.5490, 0.5647, 0.5725])
self.assertTrue(torch.allclose(encoding["pixel_values"][0, 0, 0, :3], expected_slice, atol=1e-4))
# verify area
expected_area = torch.tensor([2827.9883, 5403.4761, 235036.7344, 402070.2188, 71068.8281, 79601.2812])
self.assertTrue(torch.allclose(encoding["labels"][0]["area"], expected_area))
# verify boxes
expected_boxes_shape = torch.Size([6, 4])
self.assertEqual(encoding["labels"][0]["boxes"].shape, expected_boxes_shape)
expected_boxes_slice = torch.tensor([0.5503, 0.2765, 0.0604, 0.2215])
self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"][0], expected_boxes_slice, atol=1e-3))
# verify image_id
expected_image_id = torch.tensor([39769])
self.assertTrue(torch.allclose(encoding["labels"][0]["image_id"], expected_image_id))
# verify is_crowd
expected_is_crowd = torch.tensor([0, 0, 0, 0, 0, 0])
self.assertTrue(torch.allclose(encoding["labels"][0]["iscrowd"], expected_is_crowd))
# verify class_labels
expected_class_labels = torch.tensor([75, 75, 63, 65, 17, 17])
self.assertTrue(torch.allclose(encoding["labels"][0]["class_labels"], expected_class_labels))
# verify orig_size
expected_orig_size = torch.tensor([480, 640])
self.assertTrue(torch.allclose(encoding["labels"][0]["orig_size"], expected_orig_size))
# verify size
expected_size = torch.tensor([640, 640])
self.assertTrue(torch.allclose(encoding["labels"][0]["size"], expected_size))
# verify area
expected_area = torch.tensor([2827.9883, 5403.4761, 235036.7344, 402070.2188, 71068.8281, 79601.2812])
self.assertTrue(torch.allclose(encoding["labels"][0]["area"], expected_area))
# verify boxes
expected_boxes_shape = torch.Size([6, 4])
self.assertEqual(encoding["labels"][0]["boxes"].shape, expected_boxes_shape)
expected_boxes_slice = torch.tensor([0.5503, 0.2765, 0.0604, 0.2215])
self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"][0], expected_boxes_slice, atol=1e-3))
# verify image_id
expected_image_id = torch.tensor([39769])
self.assertTrue(torch.allclose(encoding["labels"][0]["image_id"], expected_image_id))
# verify is_crowd
expected_is_crowd = torch.tensor([0, 0, 0, 0, 0, 0])
self.assertTrue(torch.allclose(encoding["labels"][0]["iscrowd"], expected_is_crowd))
# verify class_labels
expected_class_labels = torch.tensor([75, 75, 63, 65, 17, 17])
self.assertTrue(torch.allclose(encoding["labels"][0]["class_labels"], expected_class_labels))
# verify orig_size
expected_orig_size = torch.tensor([480, 640])
self.assertTrue(torch.allclose(encoding["labels"][0]["orig_size"], expected_orig_size))
# verify size
expected_size = torch.tensor([640, 640])
self.assertTrue(torch.allclose(encoding["labels"][0]["size"], expected_size))
@slow
def test_image_processor_outputs(self):
image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
image_processing = self.image_processing_class(**self.image_processor_dict)
encoding = image_processing(images=image, return_tensors="pt")
for image_processing_class in self.image_processor_list:
image_processing = image_processing_class(**self.image_processor_dict)
encoding = image_processing(images=image, return_tensors="pt")
# verify pixel values: shape
expected_shape = torch.Size([1, 3, 640, 640])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
# verify pixel values: shape
expected_shape = torch.Size([1, 3, 640, 640])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
# verify pixel values: output values
expected_slice = torch.tensor([0.5490196347236633, 0.5647059082984924, 0.572549045085907])
self.assertTrue(torch.allclose(encoding["pixel_values"][0, 0, 0, :3], expected_slice, atol=1e-5))
# verify pixel values: output values
expected_slice = torch.tensor([0.5490196347236633, 0.5647059082984924, 0.572549045085907])
self.assertTrue(torch.allclose(encoding["pixel_values"][0, 0, 0, :3], expected_slice, atol=1e-5))
def test_multiple_images_processor_outputs(self):
images_urls = [
@@ -224,31 +230,32 @@ class RtDetrImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
image = Image.open(requests.get(url, stream=True).raw)
images.append(image)
# apply image processing
image_processing = self.image_processing_class(**self.image_processor_dict)
encoding = image_processing(images=images, return_tensors="pt")
for image_processing_class in self.image_processor_list:
# apply image processing
image_processing = image_processing_class(**self.image_processor_dict)
encoding = image_processing(images=images, return_tensors="pt")
# verify if pixel_values is part of the encoding
self.assertIn("pixel_values", encoding)
# verify if pixel_values is part of the encoding
self.assertIn("pixel_values", encoding)
# verify pixel values: shape
expected_shape = torch.Size([8, 3, 640, 640])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
# verify pixel values: shape
expected_shape = torch.Size([8, 3, 640, 640])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
# verify pixel values: output values
expected_slices = torch.tensor(
[
[0.5333333611488342, 0.5568627715110779, 0.5647059082984924],
[0.5372549295425415, 0.4705882668495178, 0.4274510145187378],
[0.3960784673690796, 0.35686275362968445, 0.3686274588108063],
[0.20784315466880798, 0.1882353127002716, 0.15294118225574493],
[0.364705890417099, 0.364705890417099, 0.3686274588108063],
[0.8078432083129883, 0.8078432083129883, 0.8078432083129883],
[0.4431372880935669, 0.4431372880935669, 0.4431372880935669],
[0.19607844948768616, 0.21176472306251526, 0.3607843220233917],
]
)
self.assertTrue(torch.allclose(encoding["pixel_values"][:, 1, 0, :3], expected_slices, atol=1e-5))
# verify pixel values: output values
expected_slices = torch.tensor(
[
[0.5333333611488342, 0.5568627715110779, 0.5647059082984924],
[0.5372549295425415, 0.4705882668495178, 0.4274510145187378],
[0.3960784673690796, 0.35686275362968445, 0.3686274588108063],
[0.20784315466880798, 0.1882353127002716, 0.15294118225574493],
[0.364705890417099, 0.364705890417099, 0.3686274588108063],
[0.8078432083129883, 0.8078432083129883, 0.8078432083129883],
[0.4431372880935669, 0.4431372880935669, 0.4431372880935669],
[0.19607844948768616, 0.21176472306251526, 0.3607843220233917],
]
)
self.assertTrue(torch.allclose(encoding["pixel_values"][:, 1, 0, :3], expected_slices, atol=1e-5))
@slow
def test_batched_coco_detection_annotations(self):
@@ -277,89 +284,146 @@ class RtDetrImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
images = [image_0, image_1]
annotations = [annotations_0, annotations_1]
image_processing = RTDetrImageProcessor()
encoding = image_processing(
images=images,
annotations=annotations,
return_segmentation_masks=True,
return_tensors="pt", # do_convert_annotations=True
)
for image_processing_class in self.image_processor_list:
image_processing = image_processing_class()
encoding = image_processing(
images=images,
annotations=annotations,
return_segmentation_masks=True,
return_tensors="pt", # do_convert_annotations=True
)
# Check the pixel values have been padded
postprocessed_height, postprocessed_width = 640, 640
expected_shape = torch.Size([2, 3, postprocessed_height, postprocessed_width])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
# Check the pixel values have been padded
postprocessed_height, postprocessed_width = 640, 640
expected_shape = torch.Size([2, 3, postprocessed_height, postprocessed_width])
self.assertEqual(encoding["pixel_values"].shape, expected_shape)
# Check the bounding boxes have been adjusted for padded images
self.assertEqual(encoding["labels"][0]["boxes"].shape, torch.Size([6, 4]))
self.assertEqual(encoding["labels"][1]["boxes"].shape, torch.Size([6, 4]))
expected_boxes_0 = torch.tensor(
[
[0.6879, 0.4609, 0.0755, 0.3691],
[0.2118, 0.3359, 0.2601, 0.1566],
[0.5011, 0.5000, 0.9979, 1.0000],
[0.5010, 0.5020, 0.9979, 0.9959],
[0.3284, 0.5944, 0.5884, 0.8112],
[0.8394, 0.5445, 0.3213, 0.9110],
]
)
expected_boxes_1 = torch.tensor(
[
[0.5503, 0.2765, 0.0604, 0.2215],
[0.1695, 0.2016, 0.2080, 0.0940],
[0.5006, 0.4933, 0.9977, 0.9865],
[0.5008, 0.5002, 0.9983, 0.9955],
[0.2627, 0.5456, 0.4707, 0.8646],
[0.7715, 0.4115, 0.4570, 0.7161],
]
)
self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"], expected_boxes_0, rtol=1e-3))
self.assertTrue(torch.allclose(encoding["labels"][1]["boxes"], expected_boxes_1, rtol=1e-3))
# Check the bounding boxes have been adjusted for padded images
self.assertEqual(encoding["labels"][0]["boxes"].shape, torch.Size([6, 4]))
self.assertEqual(encoding["labels"][1]["boxes"].shape, torch.Size([6, 4]))
expected_boxes_0 = torch.tensor(
[
[0.6879, 0.4609, 0.0755, 0.3691],
[0.2118, 0.3359, 0.2601, 0.1566],
[0.5011, 0.5000, 0.9979, 1.0000],
[0.5010, 0.5020, 0.9979, 0.9959],
[0.3284, 0.5944, 0.5884, 0.8112],
[0.8394, 0.5445, 0.3213, 0.9110],
]
)
expected_boxes_1 = torch.tensor(
[
[0.5503, 0.2765, 0.0604, 0.2215],
[0.1695, 0.2016, 0.2080, 0.0940],
[0.5006, 0.4933, 0.9977, 0.9865],
[0.5008, 0.5002, 0.9983, 0.9955],
[0.2627, 0.5456, 0.4707, 0.8646],
[0.7715, 0.4115, 0.4570, 0.7161],
]
)
self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"], expected_boxes_0, rtol=1e-3))
self.assertTrue(torch.allclose(encoding["labels"][1]["boxes"], expected_boxes_1, rtol=1e-3))
# Check if do_convert_annotations=False, then the annotations are not converted to centre_x, centre_y, width, height
# format and not in the range [0, 1]
encoding = image_processing(
images=images,
annotations=annotations,
return_segmentation_masks=True,
do_convert_annotations=False,
return_tensors="pt",
# Check if do_convert_annotations=False, then the annotations are not converted to centre_x, centre_y, width, height
# format and not in the range [0, 1]
encoding = image_processing(
images=images,
annotations=annotations,
return_segmentation_masks=True,
do_convert_annotations=False,
return_tensors="pt",
)
self.assertEqual(encoding["labels"][0]["boxes"].shape, torch.Size([6, 4]))
self.assertEqual(encoding["labels"][1]["boxes"].shape, torch.Size([6, 4]))
# Convert to absolute coordinates
unnormalized_boxes_0 = torch.vstack(
[
expected_boxes_0[:, 0] * postprocessed_width,
expected_boxes_0[:, 1] * postprocessed_height,
expected_boxes_0[:, 2] * postprocessed_width,
expected_boxes_0[:, 3] * postprocessed_height,
]
).T
unnormalized_boxes_1 = torch.vstack(
[
expected_boxes_1[:, 0] * postprocessed_width,
expected_boxes_1[:, 1] * postprocessed_height,
expected_boxes_1[:, 2] * postprocessed_width,
expected_boxes_1[:, 3] * postprocessed_height,
]
).T
# Convert from centre_x, centre_y, width, height to x_min, y_min, x_max, y_max
expected_boxes_0 = torch.vstack(
[
unnormalized_boxes_0[:, 0] - unnormalized_boxes_0[:, 2] / 2,
unnormalized_boxes_0[:, 1] - unnormalized_boxes_0[:, 3] / 2,
unnormalized_boxes_0[:, 0] + unnormalized_boxes_0[:, 2] / 2,
unnormalized_boxes_0[:, 1] + unnormalized_boxes_0[:, 3] / 2,
]
).T
expected_boxes_1 = torch.vstack(
[
unnormalized_boxes_1[:, 0] - unnormalized_boxes_1[:, 2] / 2,
unnormalized_boxes_1[:, 1] - unnormalized_boxes_1[:, 3] / 2,
unnormalized_boxes_1[:, 0] + unnormalized_boxes_1[:, 2] / 2,
unnormalized_boxes_1[:, 1] + unnormalized_boxes_1[:, 3] / 2,
]
).T
self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"], expected_boxes_0, rtol=1))
self.assertTrue(torch.allclose(encoding["labels"][1]["boxes"], expected_boxes_1, rtol=1))
@slow
@require_torch_gpu
# Copied from tests.models.detr.test_image_processing_detr.DetrImageProcessingTest.test_fast_processor_equivalence_cpu_gpu_coco_detection_annotations
def test_fast_processor_equivalence_cpu_gpu_coco_detection_annotations(self):
# prepare image and target
image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
with open("./tests/fixtures/tests_samples/COCO/coco_annotations.txt", "r") as f:
target = json.loads(f.read())
target = {"image_id": 39769, "annotations": target}
processor = self.image_processor_list[1]()
# 1. run processor on CPU
encoding_cpu = processor(images=image, annotations=target, return_tensors="pt", device="cpu")
# 2. run processor on GPU
encoding_gpu = processor(images=image, annotations=target, return_tensors="pt", device="cuda")
# verify pixel values
self.assertEqual(encoding_cpu["pixel_values"].shape, encoding_gpu["pixel_values"].shape)
self.assertTrue(
torch.allclose(
encoding_cpu["pixel_values"][0, 0, 0, :3],
encoding_gpu["pixel_values"][0, 0, 0, :3].to("cpu"),
atol=1e-4,
)
)
self.assertEqual(encoding["labels"][0]["boxes"].shape, torch.Size([6, 4]))
self.assertEqual(encoding["labels"][1]["boxes"].shape, torch.Size([6, 4]))
# Convert to absolute coordinates
unnormalized_boxes_0 = torch.vstack(
[
expected_boxes_0[:, 0] * postprocessed_width,
expected_boxes_0[:, 1] * postprocessed_height,
expected_boxes_0[:, 2] * postprocessed_width,
expected_boxes_0[:, 3] * postprocessed_height,
]
).T
unnormalized_boxes_1 = torch.vstack(
[
expected_boxes_1[:, 0] * postprocessed_width,
expected_boxes_1[:, 1] * postprocessed_height,
expected_boxes_1[:, 2] * postprocessed_width,
expected_boxes_1[:, 3] * postprocessed_height,
]
).T
# Convert from centre_x, centre_y, width, height to x_min, y_min, x_max, y_max
expected_boxes_0 = torch.vstack(
[
unnormalized_boxes_0[:, 0] - unnormalized_boxes_0[:, 2] / 2,
unnormalized_boxes_0[:, 1] - unnormalized_boxes_0[:, 3] / 2,
unnormalized_boxes_0[:, 0] + unnormalized_boxes_0[:, 2] / 2,
unnormalized_boxes_0[:, 1] + unnormalized_boxes_0[:, 3] / 2,
]
).T
expected_boxes_1 = torch.vstack(
[
unnormalized_boxes_1[:, 0] - unnormalized_boxes_1[:, 2] / 2,
unnormalized_boxes_1[:, 1] - unnormalized_boxes_1[:, 3] / 2,
unnormalized_boxes_1[:, 0] + unnormalized_boxes_1[:, 2] / 2,
unnormalized_boxes_1[:, 1] + unnormalized_boxes_1[:, 3] / 2,
]
).T
self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"], expected_boxes_0, rtol=1))
self.assertTrue(torch.allclose(encoding["labels"][1]["boxes"], expected_boxes_1, rtol=1))
# verify area
self.assertTrue(torch.allclose(encoding_cpu["labels"][0]["area"], encoding_gpu["labels"][0]["area"].to("cpu")))
# verify boxes
self.assertEqual(encoding_cpu["labels"][0]["boxes"].shape, encoding_gpu["labels"][0]["boxes"].shape)
self.assertTrue(
torch.allclose(
encoding_cpu["labels"][0]["boxes"][0], encoding_gpu["labels"][0]["boxes"][0].to("cpu"), atol=1e-3
)
)
# verify image_id
self.assertTrue(
torch.allclose(encoding_cpu["labels"][0]["image_id"], encoding_gpu["labels"][0]["image_id"].to("cpu"))
)
# verify is_crowd
self.assertTrue(
torch.allclose(encoding_cpu["labels"][0]["iscrowd"], encoding_gpu["labels"][0]["iscrowd"].to("cpu"))
)
# verify class_labels
self.assertTrue(
torch.allclose(
encoding_cpu["labels"][0]["class_labels"], encoding_gpu["labels"][0]["class_labels"].to("cpu")
)
)
# verify orig_size
self.assertTrue(
torch.allclose(encoding_cpu["labels"][0]["orig_size"], encoding_gpu["labels"][0]["orig_size"].to("cpu"))
)
# verify size
self.assertTrue(torch.allclose(encoding_cpu["labels"][0]["size"], encoding_gpu["labels"][0]["size"].to("cpu")))