Add owlv2 fast processor (#39041)

* add owlv2 fast image processor

* add Owlv2ImageProcessorFast to Owlv2Processor image_processor_class

* add Owlv2ImageProcessorFast to Owlv2Processor image_processor_class

* change references to owlVit to owlv2 in docstrings for post process methods

* change type hints from List, Dict, Tuple to list, dict, tuple

* remove unused typing imports

* add disable grouping argument to group images by shape

* run make quality and repo-consistency

* use modular

* fix auto_docstring

---------

Co-authored-by: Lewis Marshall <lewism@elderda.co.uk>
Co-authored-by: yonigozlan <yoni.gozlan@huggingface.co>
This commit is contained in:
lmarshall12
2025-07-24 22:40:11 -04:00
committed by GitHub
parent 5a81d7e0b3
commit 565c035a2e
7 changed files with 737 additions and 61 deletions

View File

@@ -16,7 +16,7 @@
import unittest
from transformers.testing_utils import require_torch, require_vision, slow
from transformers.utils import is_torch_available, is_vision_available
from transformers.utils import is_torch_available, is_torchvision_available, is_vision_available
from ...test_image_processing_common import ImageProcessingTestMixin, prepare_image_inputs
@@ -29,6 +29,8 @@ if is_vision_available():
if is_torch_available():
import torch
from transformers import Owlv2ImageProcessorFast
class Owlv2ImageProcessingTester:
def __init__(
@@ -87,6 +89,7 @@ class Owlv2ImageProcessingTester:
@require_vision
class Owlv2ImageProcessingTest(ImageProcessingTestMixin, unittest.TestCase):
image_processing_class = Owlv2ImageProcessor if is_vision_available() else None
fast_image_processing_class = Owlv2ImageProcessorFast if is_torchvision_available() else None
def setUp(self):
super().setUp()
@@ -97,76 +100,74 @@ class Owlv2ImageProcessingTest(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, "do_normalize"))
self.assertTrue(hasattr(image_processing, "image_mean"))
self.assertTrue(hasattr(image_processing, "image_std"))
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, "do_normalize"))
self.assertTrue(hasattr(image_processing, "image_mean"))
self.assertTrue(hasattr(image_processing, "image_std"))
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": 18, "width": 18})
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": 18, "width": 18})
image_processor = self.image_processing_class.from_dict(
self.image_processor_dict, size={"height": 42, "width": 42}
)
self.assertEqual(image_processor.size, {"height": 42, "width": 42})
image_processor = image_processing_class.from_dict(
self.image_processor_dict, size={"height": 42, "width": 42}
)
self.assertEqual(image_processor.size, {"height": 42, "width": 42})
@slow
def test_image_processor_integration_test(self):
processor = Owlv2ImageProcessor()
for image_processing_class in self.image_processor_list:
processor = image_processing_class()
image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
pixel_values = processor(image, return_tensors="pt").pixel_values
image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
pixel_values = processor(image, return_tensors="pt").pixel_values
mean_value = round(pixel_values.mean().item(), 4)
self.assertEqual(mean_value, 0.2353)
mean_value = round(pixel_values.mean().item(), 4)
self.assertEqual(mean_value, 0.2353)
@slow
def test_image_processor_integration_test_resize(self):
checkpoint = "google/owlv2-base-patch16-ensemble"
processor = AutoProcessor.from_pretrained(checkpoint)
model = Owlv2ForObjectDetection.from_pretrained(checkpoint)
for use_fast in [False, True]:
checkpoint = "google/owlv2-base-patch16-ensemble"
processor = AutoProcessor.from_pretrained(checkpoint, use_fast=use_fast)
model = Owlv2ForObjectDetection.from_pretrained(checkpoint)
image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
text = ["cat"]
target_size = image.size[::-1]
expected_boxes = torch.tensor(
[
[341.66656494140625, 23.38756561279297, 642.321044921875, 371.3482971191406],
[6.753320693969727, 51.96149826049805, 326.61810302734375, 473.12982177734375],
]
)
# single image
inputs = processor(text=[text], images=[image], return_tensors="pt")
with torch.no_grad():
outputs = model(**inputs)
results = processor.post_process_object_detection(outputs, threshold=0.2, target_sizes=[target_size])[0]
boxes = results["boxes"]
self.assertTrue(
torch.allclose(boxes, expected_boxes, atol=1e-2),
f"Single image bounding boxes fail. Expected {expected_boxes}, got {boxes}",
)
# batch of images
inputs = processor(text=[text, text], images=[image, image], return_tensors="pt")
with torch.no_grad():
outputs = model(**inputs)
results = processor.post_process_object_detection(
outputs, threshold=0.2, target_sizes=[target_size, target_size]
)
for result in results:
boxes = result["boxes"]
self.assertTrue(
torch.allclose(boxes, expected_boxes, atol=1e-2),
f"Batch image bounding boxes fail. Expected {expected_boxes}, got {boxes}",
image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
text = ["cat"]
target_size = image.size[::-1]
expected_boxes = torch.tensor(
[
[341.66656494140625, 23.38756561279297, 642.321044921875, 371.3482971191406],
[6.753320693969727, 51.96149826049805, 326.61810302734375, 473.12982177734375],
]
)
# single image
inputs = processor(text=[text], images=[image], return_tensors="pt")
with torch.no_grad():
outputs = model(**inputs)
results = processor.post_process_object_detection(outputs, threshold=0.2, target_sizes=[target_size])[0]
boxes = results["boxes"]
torch.testing.assert_close(boxes, expected_boxes, atol=1e-1, rtol=1e-1)
# batch of images
inputs = processor(text=[text, text], images=[image, image], return_tensors="pt")
with torch.no_grad():
outputs = model(**inputs)
results = processor.post_process_object_detection(
outputs, threshold=0.2, target_sizes=[target_size, target_size]
)
for result in results:
boxes = result["boxes"]
torch.testing.assert_close(boxes, expected_boxes, atol=1e-1, rtol=1e-1)
@unittest.skip(reason="OWLv2 doesn't treat 4 channel PIL and numpy consistently yet") # FIXME Amy
def test_call_numpy_4_channels(self):
pass