Fix tile cannot extend outside image (#856)

* Fix tile cannot extend outside image

* Lint

---------

lib/sycamore/sycamore/transforms/detr_partitioner.py

@@ -675,6 +675,8 @@ def infer(self, images: List[Image.Image], threshold: float, use_cache: bool = F
             (w, h) = image.size
             elements = []
             for score, label, box in zip(result["scores"], result["labels"], result["boxes"]):
+                # Potential fix if negative bbox is causing downstream failures
+                # box = [max(0.0, coord) for coord in box]
                 element = create_element(
                     type=self.labels[label],
                     bbox=BoundingBox(box[0] / w, box[1] / h, box[2] / w, box[3] / h).coordinates,
@@ -765,7 +767,10 @@ def extract_ocr(
             cropped_image = image.crop(crop_box)
 
             # TODO: Do we want to switch to easyocr here too?
-            text = pytesseract.image_to_string(cropped_image)
+            if 0 in cropped_image.size:
+                text = ""
+            else:
+                text = pytesseract.image_to_string(cropped_image)
 
             elem.text_representation = text