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Update ocr_engine.py
Browse files- ocr_engine.py +18 -6
ocr_engine.py
CHANGED
@@ -3,47 +3,59 @@ import numpy as np
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import cv2
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import re
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reader = easyocr.Reader(['en'], gpu=False)
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def extract_weight_from_image(pil_img):
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try:
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img = np.array(pil_img)
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#
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max_dim = 1000
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height, width = img.shape[:2]
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if max(height, width) > max_dim:
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scale = max_dim / max(height, width)
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img = cv2.resize(img, None, fx=scale, fy=scale, interpolation=cv2.INTER_AREA)
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results = reader.readtext(img)
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print("DEBUG OCR RESULTS:", results)
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if not results:
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return "No text detected", 0.0, "OCR returned empty list"
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raw_texts = []
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weight_candidates = []
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for _, text, conf in results:
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original = text
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cleaned = text.lower().strip()
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cleaned = cleaned.replace(",", ".")
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cleaned = cleaned.replace("o", "0").replace("O", "0")
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cleaned = cleaned.replace("s", "5").replace("S", "5")
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cleaned = cleaned.replace("g", "9").replace("G", "6")
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cleaned = cleaned.replace("kg", "").replace("kgs", "")
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cleaned = re.sub(r"[
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raw_texts.append(f"{original} → {cleaned} (conf: {round(conf, 2)})")
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weight_candidates.append((cleaned, conf))
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if not weight_candidates:
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return "Not detected", 0.0, "\n".join(raw_texts)
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best_weight, best_conf = sorted(weight_candidates, key=lambda x: -x[1])[0]
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return best_weight, round(best_conf * 100, 2), "\n".join(raw_texts)
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except Exception as e:
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import cv2
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import re
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# Load OCR engine
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reader = easyocr.Reader(['en'], gpu=False)
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def extract_weight_from_image(pil_img):
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try:
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img = np.array(pil_img)
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# Resize large image if needed
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max_dim = 1000
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height, width = img.shape[:2]
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if max(height, width) > max_dim:
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scale = max_dim / max(height, width)
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img = cv2.resize(img, None, fx=scale, fy=scale, interpolation=cv2.INTER_AREA)
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# OCR without heavy preprocessing
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results = reader.readtext(img)
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print("DEBUG OCR RESULTS:", results)
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raw_texts = []
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weight_candidates = []
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for _, text, conf in results:
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original = text
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cleaned = text.lower().strip()
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# Fix common OCR mistakes
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cleaned = cleaned.replace(",", ".")
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cleaned = cleaned.replace("o", "0").replace("O", "0")
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cleaned = cleaned.replace("s", "5").replace("S", "5")
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cleaned = cleaned.replace("g", "9").replace("G", "6")
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cleaned = cleaned.replace("kg", "").replace("kgs", "")
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cleaned = re.sub(r"[^0-9\.]", "", cleaned)
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raw_texts.append(f"{original} → {cleaned} (conf: {round(conf, 2)})")
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# Match flexible weight formats like 75.02, 97.2, 102.34
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if cleaned.count(".") <= 1 and re.match(r"^\d{2,4}(\.\d{1,3})?$", cleaned):
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weight_candidates.append((cleaned, conf))
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if not weight_candidates:
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return "Not detected", 0.0, "\n".join(raw_texts)
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# Get best weight
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best_weight, best_conf = sorted(weight_candidates, key=lambda x: -x[1])[0]
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# Strip unnecessary leading zeros
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if "." in best_weight:
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int_part, dec_part = best_weight.split(".")
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int_part = int_part.lstrip("0") or "0"
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best_weight = f"{int_part}.{dec_part}"
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else:
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best_weight = best_weight.lstrip("0") or "0"
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return best_weight, round(best_conf * 100, 2), "\n".join(raw_texts)
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except Exception as e:
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