Repository: huggingface/transformers
Pull request: Fix GOT-OCR2 and Cohere2Vision image processor patches caculation

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- Related issue: https://github.com/vllm-project/vllm/pull/23245#issue-3337120245
- Fix incorrect num_patches calculation for GOT-OCR2 and Cohere2Vision image processor


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Changed files:
filename: src/transformers/models/cohere2_vision/image_processing_cohere2_vision_fast.py
patch: @@ -301,7 +301,8 @@ def get_number_of_image_patches(self, height: int, width: int, images_kwargs=Non
             num_columns, num_rows = get_optimal_tiled_canvas(
                 (height, width), (patch_size["height"], patch_size["width"]), min_patches, max_patches
             )
-            num_patches += num_columns * num_rows
+            if num_columns * num_rows > 1:
+                num_patches += num_columns * num_rows
 
         return num_patches
 

filename: src/transformers/models/got_ocr2/image_processing_got_ocr2.py
patch: @@ -515,7 +515,8 @@ def get_number_of_image_patches(self, height: int, width: int, images_kwargs=Non
             num_columns, num_rows = get_optimal_tiled_canvas(
                 (height, width), (patch_size["height"], patch_size["width"]), min_patches, max_patches
             )
-            num_patches += num_columns * num_rows
+            if num_columns * num_rows > 1:
+                num_patches += num_columns * num_rows
 
         return num_patches
 

filename: src/transformers/models/got_ocr2/image_processing_got_ocr2_fast.py
patch: @@ -247,7 +247,8 @@ def get_number_of_image_patches(self, height: int, width: int, images_kwargs=Non
             num_columns, num_rows = get_optimal_tiled_canvas(
                 (height, width), (patch_size["height"], patch_size["width"]), min_patches, max_patches
             )
-            num_patches += num_columns * num_rows
+            if num_columns * num_rows > 1:
+                num_patches += num_columns * num_rows
 
         return num_patches
 

filename: tests/models/got_ocr2/test_image_processing_got_ocr2.py
patch: @@ -181,6 +181,16 @@ def test_get_num_patches_without_images(self):
             )
             self.assertEqual(num_patches, 1)
 
+            num_patches = image_processing.get_number_of_image_patches(
+                height=20, width=20, images_kwargs={"crop_to_patches": True}
+            )
+            self.assertEqual(num_patches, 1)
+
+            num_patches = image_processing.get_number_of_image_patches(
+                height=60, width=60, images_kwargs={"crop_to_patches": True}
+            )
+            self.assertEqual(num_patches, 10)
+
             num_patches = image_processing.get_number_of_image_patches(
                 height=100, width=100, images_kwargs={"crop_to_patches": True}
             )