[Conditional, Deformable DETR] Add postprocessing methods (#19709)

* Add postprocessing methods

* Update docs

* Add fix

* Add test

* Add test for deformable detr postprocessing

* Add post processing methods for segmentation

* Update code examples

* Add post_process to make the pipeline work

* Apply updates

Co-authored-by: Niels Rogge <nielsrogge@Nielss-MacBook-Pro.local>

tests/models/conditional_detr/test_feature_extraction_conditional_detr.py

@@ -303,7 +303,6 @@ class ConditionalDetrFeatureExtractionTest(FeatureExtractionSavingTestMixin, uni
         masks_path = pathlib.Path("./tests/fixtures/tests_samples/COCO/coco_panoptic")
 
         # encode them
-        # TODO replace by .from_pretrained microsoft/conditional-detr-resnet-50-panoptic
         feature_extractor = ConditionalDetrFeatureExtractor(format="coco_panoptic")
         encoding = feature_extractor(images=image, annotations=target, masks_path=masks_path, return_tensors="pt")
 

tests/models/conditional_detr/test_modeling_conditional_detr.py

@@ -492,6 +492,7 @@ class ConditionalDetrModelIntegrationTests(unittest.TestCase):
         with torch.no_grad():
             outputs = model(pixel_values, pixel_mask)
 
+        # verify logits + box predictions
         expected_shape_logits = torch.Size((1, model.config.num_queries, model.config.num_labels))
         self.assertEqual(outputs.logits.shape, expected_shape_logits)
         expected_slice_logits = torch.tensor(
@@ -505,3 +506,16 @@ class ConditionalDetrModelIntegrationTests(unittest.TestCase):
             [[0.7733, 0.6576, 0.4496], [0.5171, 0.1184, 0.9094], [0.8846, 0.5647, 0.2486]]
         ).to(torch_device)
         self.assertTrue(torch.allclose(outputs.pred_boxes[0, :3, :3], expected_slice_boxes, atol=1e-4))
+
+        # verify postprocessing
+        results = feature_extractor.post_process_object_detection(
+            outputs, threshold=0.3, target_sizes=[image.size[::-1]]
+        )[0]
+        expected_scores = torch.tensor([0.8330, 0.8313, 0.8039, 0.6829, 0.5355])
+        expected_labels = [75, 17, 17, 75, 63]
+        expected_slice_boxes = torch.tensor([38.3089, 72.1022, 177.6293, 118.4512])
+
+        self.assertEqual(len(results["scores"]), 5)
+        self.assertTrue(torch.allclose(results["scores"], expected_scores, atol=1e-4))
+        self.assertSequenceEqual(results["labels"].tolist(), expected_labels)
+        self.assertTrue(torch.allclose(results["boxes"][0, :], expected_slice_boxes))