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Update app.py
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app.py
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@@ -11,63 +11,39 @@ def ocr_with_boxes(image):
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# แปลงจาก PIL → OpenCV
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img = cv2.cvtColor(np.array(image), cv2.COLOR_RGB2BGR)
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#
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gray, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C,
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cv2.THRESH_BINARY, 11, 2
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)
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kernel = np.ones((2, 2), np.uint8)
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gray = cv2.dilate(gray, kernel, iterations=1)
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gray = cv2.erode(gray, kernel, iterations=1)
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# --- Tesseract config ---
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custom_config = r'-l tha+eng --oem 3 --psm 6 -c tessedit_char_whitelist=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
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# OCR with bounding boxes
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data = pytesseract.image_to_data(
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totalBox = len(data['text'])
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lines = defaultdict(list)
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# จัดเรียงข้อความเป็นบรรทัด
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for i in range(totalBox):
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if int(data['conf'][i]) > 0:
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text = data['text'][i].strip()
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if text != "":
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line_id = (data['block_num'][i], data['par_num'][i], data['line_num'][i])
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lines[line_id]
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# วาดกรอบรวมทุกคำในบรรทัด + margin
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margin = 5 # เพิ่มให้กรอบไม่เล็กเกินไป
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for line_id, indices in lines.items():
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xs = [data['left'][i] for i in indices]
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ys = [data['top'][i] for i in indices]
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ws = [data['width'][i] for i in indices]
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hs = [data['height'][i] for i in indices]
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# วางข้อความทั้งหมดในบรรทัดบนกรอบ
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text_line = " ".join([data['text'][i] for i in indices])
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cv2.putText(img, text_line, (x, y - 5), cv2.FONT_HERSHEY_SIMPLEX,
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0.7, (0, 0, 255), 2, cv2.LINE_AA)
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# รวมข้อความทั้งหมด
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extracted_texts = []
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for indices in lines.values():
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extracted_texts.append(" ".join([data['text'][i] for i in indices]))
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final_text = "\n".join(extracted_texts)
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# แก้เว้นวรรคภาษาไทย
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final_text = re.sub(r'([\u0E00-\u0E7F])\s+([\u0E00-\u0E7F])', r'\1\2', final_text)
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# แปลงกลับเป็น PIL
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img_out = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
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img_pil = Image.fromarray(img_out)
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return img_pil, final_text
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# Gradio UI
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fn=ocr_with_boxes,
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inputs=gr.Image(type="pil", label="อัปโหลดภาพ"),
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outputs=[gr.Image(label="ผลลัพธ์พร้อมกรอบข้อความ"), gr.Textbox(label="ข้อความ OCR")],
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title="OCR ไทย + อังกฤษ (Tesseract +
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description="OCR ไทย+อังกฤษ วาดกรอบ
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)
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if __name__ == "__main__":
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# แปลงจาก PIL → OpenCV
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img = cv2.cvtColor(np.array(image), cv2.COLOR_RGB2BGR)
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# config ไทย + อังกฤษ
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custom_config = r'-l tha+eng --oem 3 --psm 6'
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# OCR with bounding boxes
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data = pytesseract.image_to_data(img, config=custom_config, output_type=Output.DICT)
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totalBox = len(data['text'])
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lines = defaultdict(list)
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for i in range(totalBox):
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if int(data['conf'][i]) > 0:
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text = data['text'][i].strip()
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if text != "":
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line_id = (data['block_num'][i], data['par_num'][i], data['line_num'][i])
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lines[line_id] += [text]
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# วาดกรอบ
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x, y, w, h = data['left'][i], data['top'][i], data['width'][i], data['height'][i]
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cv2.rectangle(img, (x, y), (x + w, y + h), (0, 255, 0), 2)
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cv2.putText(img, text, (x, y - 5), cv2.FONT_HERSHEY_SIMPLEX,
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0.7, (0, 0, 255), 2, cv2.LINE_AA)
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# รวมข้อความให้เป็นบรรทัด
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extracted_texts = [" ".join(words) for _, words in sorted(lines.items())]
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final_text = "\n".join(extracted_texts)
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# 🔧 แก้เว้นวรรคภาษาไทยตรงนี้เลย
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final_text = re.sub(r'([\u0E00-\u0E7F])\s+([\u0E00-\u0E7F])', r'\1\2', final_text)
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# แปลงกลับเป็น PIL
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img_out = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
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img_pil = Image.fromarray(img_out)
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return img_pil, final_text
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# Gradio UI
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fn=ocr_with_boxes,
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inputs=gr.Image(type="pil", label="อัปโหลดภาพ"),
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outputs=[gr.Image(label="ผลลัพธ์พร้อมกรอบข้อความ"), gr.Textbox(label="ข้อความ OCR")],
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title="OCR ไทย + อังกฤษ (Tesseract + Fix Spacing)",
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description="อัปโหลดภาพ ระบบจะ OCR ไทย+อังกฤษ วาดกรอบ และแก้เว้นวรรคภาษาไทยอัตโนมัติ"
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)
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if __name__ == "__main__":
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