Add segmentation + object detection image processors (#20160)

* Add transforms for object detection

* DETR models + Yolos

* Scrappy additions

* Maskformer image processor

* Fix up; MaskFormer tests

* Update owlvit processor

* Add to docs

* OwlViT tests

* Update pad logic

* Remove changes to transforms

* Import fn directly

* Update to include pad transformation

* Remove uninstended changes

* Add new owlvit post processing function

* Tidy up

* Fix copies

* Fix some copies

* Include device fix

* Fix scipy imports

* Update _pad_image

* Update padding functionality

* Fix bug

* Properly handle ignore index

* Fix up

* Remove defaults to None in docstrings

* Fix docstrings & docs

* Fix sizes bug

* Resolve conflicts in init

* Cast to float after resizing

* Tidy & add size if missing

* Allow kwards when processing for owlvit

* Update test values

tests/models/owlvit/test_feature_extraction_owlvit.py

@@ -43,9 +43,9 @@ class OwlViTFeatureExtractionTester(unittest.TestCase):
         min_resolution=30,
         max_resolution=400,
         do_resize=True,
-        size=20,
+        size=None,
         do_center_crop=True,
-        crop_size=18,
+        crop_size=None,
         do_normalize=True,
         image_mean=[0.48145466, 0.4578275, 0.40821073],
         image_std=[0.26862954, 0.26130258, 0.27577711],
@@ -58,9 +58,9 @@ class OwlViTFeatureExtractionTester(unittest.TestCase):
         self.min_resolution = min_resolution
         self.max_resolution = max_resolution
         self.do_resize = do_resize
-        self.size = size
+        self.size = size if size is not None else {"height": 18, "width": 18}
         self.do_center_crop = do_center_crop
-        self.crop_size = crop_size
+        self.crop_size = crop_size if crop_size is not None else {"height": 18, "width": 18}
         self.do_normalize = do_normalize
         self.image_mean = image_mean
         self.image_std = image_std
@@ -119,8 +119,8 @@ class OwlViTFeatureExtractionTest(FeatureExtractionSavingTestMixin, unittest.Tes
             (
                 1,
                 self.feature_extract_tester.num_channels,
-                self.feature_extract_tester.crop_size,
-                self.feature_extract_tester.crop_size,
+                self.feature_extract_tester.crop_size["height"],
+                self.feature_extract_tester.crop_size["width"],
             ),
         )
 
@@ -131,8 +131,8 @@ class OwlViTFeatureExtractionTest(FeatureExtractionSavingTestMixin, unittest.Tes
             (
                 self.feature_extract_tester.batch_size,
                 self.feature_extract_tester.num_channels,
-                self.feature_extract_tester.crop_size,
-                self.feature_extract_tester.crop_size,
+                self.feature_extract_tester.crop_size["height"],
+                self.feature_extract_tester.crop_size["width"],
             ),
         )
 
@@ -151,8 +151,8 @@ class OwlViTFeatureExtractionTest(FeatureExtractionSavingTestMixin, unittest.Tes
             (
                 1,
                 self.feature_extract_tester.num_channels,
-                self.feature_extract_tester.crop_size,
-                self.feature_extract_tester.crop_size,
+                self.feature_extract_tester.crop_size["height"],
+                self.feature_extract_tester.crop_size["width"],
             ),
         )
 
@@ -163,8 +163,8 @@ class OwlViTFeatureExtractionTest(FeatureExtractionSavingTestMixin, unittest.Tes
             (
                 self.feature_extract_tester.batch_size,
                 self.feature_extract_tester.num_channels,
-                self.feature_extract_tester.crop_size,
-                self.feature_extract_tester.crop_size,
+                self.feature_extract_tester.crop_size["height"],
+                self.feature_extract_tester.crop_size["width"],
             ),
         )
 
@@ -183,8 +183,8 @@ class OwlViTFeatureExtractionTest(FeatureExtractionSavingTestMixin, unittest.Tes
             (
                 1,
                 self.feature_extract_tester.num_channels,
-                self.feature_extract_tester.crop_size,
-                self.feature_extract_tester.crop_size,
+                self.feature_extract_tester.crop_size["height"],
+                self.feature_extract_tester.crop_size["width"],
             ),
         )
 
@@ -195,7 +195,7 @@ class OwlViTFeatureExtractionTest(FeatureExtractionSavingTestMixin, unittest.Tes
             (
                 self.feature_extract_tester.batch_size,
                 self.feature_extract_tester.num_channels,
-                self.feature_extract_tester.crop_size,
-                self.feature_extract_tester.crop_size,
+                self.feature_extract_tester.crop_size["height"],
+                self.feature_extract_tester.crop_size["width"],
             ),
         )