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fix(effi-ocr): revert to simpler preprocessing - grayscale + contrast 1.8x

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Folzo
2026-04-11 02:26:57 +02:00
parent 9a69d96999
commit 33a463d5a4
1 changed files with 2 additions and 10 deletions
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effi-ocr-server/main.py
+2 -10
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@@ -89,18 +89,10 @@ async def ocr_image(
# Convertir en niveaux de gris # Convertir en niveaux de gris
image = image.convert('L') image = image.convert('L')
# Appliquer un filtrage pour réduire le bruit # Augmenter le contraste modérément
from PIL import ImageFilter
image = image.filter(ImageFilter.MedianFilter(size=3))
# Augmenter le contraste (x2.5 au lieu de x2)
from PIL import ImageEnhance from PIL import ImageEnhance
enhancer = ImageEnhance.Contrast(image) enhancer = ImageEnhance.Contrast(image)
image = enhancer.enhance(2.5) image = enhancer.enhance(1.8)
# Éclaircir l'image avec Brightness (x1.2)
enhancer = ImageEnhance.Brightness(image)
image = enhancer.enhance(1.2)
# OCR avec Tesseract # OCR avec Tesseract
text = pytesseract.image_to_string(image, lang=lang) text = pytesseract.image_to_string(image, lang=lang)