Midv536 |work| 〈Official — VERSION〉

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def extract_document_roi(frame): gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) _, thresh = cv2.threshold(gray, 0, 255, cv2.THRESH_BINARY + cv2.THRESH_OTSU) contours, _ = cv2.findContours(thresh, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE) if not contours: return None largest = max(contours, key=cv2.contourArea) x, y, w, h = cv2.boundingRect(largest) return frame[y:y+h, x:x+w] midv536

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