Hi I just tried some, without real success could I learn digits from pictures ? maybe this font is not well recognized
thanks Le vendredi 24 juin 2022 à 17:12:44 UTC+2, zdenop a écrit : > Did try to implement suggestion from documentation? > https://github.com/tesseract-ocr/tessdoc/blob/main/ImproveQuality.md > > > Zdenko > > > pi 24. 6. 2022 o 16:59 Hervé <[email protected]> napísal(a): > >> Hi, I need some help to make tesseract-OCR recognize digits : can't >> achieve to make this work with >> >> >> https://img.super-h.fr/images/2022/06/24/9a03414616bc4c6bd6e4bdb78e9d6783.jpg >> >> >> here is my code : >> >> >> >> import cv2 >> import pytesseract >> >> pytesseract.pytesseract.tesseract_cmd ="C:\\Program >> Files\\Tesseract-OCR\\tesseract.exe" >> >> def process_image(img): >> #cv2.imshow('Img',img) >> #cv2.waitKey(0) >> >> ### passage en niveau de gris >> gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) >> #cv2.imshow('Img',gray) >> #v2.waitKey(0) >> >> ###analyse de l'image >> valeur = pytesseract.image_to_string(gray) >> print(valeur) >> >> ##passage en noir et blanc >> (thresh, im_bw) = cv2.threshold(gray, 128, 255, cv2.THRESH_BINARY | >> cv2.THRESH_OTSU) >> im_bw = cv2.bitwise_not(im_bw) >> #cv2.imshow('Img',im_bw) >> #cv2.waitKey(0) >> # cv2.imwrite('ph.png',im_bw) >> print(pytesseract.image_to_string(im_bw)) >> >> >> ###ouverture de l'image >> img = cv2.imread('ocr5.png') >> # cv2.imshow('Img',imgcoupee) >> >> >> ###on rogne >> imgcoupee = img[1056:1517,950:1862] >> #img = cv2.imwrite('ocrcoupee.png',imgcoupee) >> # cv2.imshow('Img',imgcoupee) >> >> ### decoupage de la partie correspondant au PH >> ph= img[516:625, 616:815] >> >> #cv2.imwrite('pH.jpg', image_pH) >> >> ### partie chlore >> cl = img[516:625, 882:1056] >> >> ### partie dÃ:copyright:faut flow >> #flow= img[1302:1398,1054:1400] >> >> ### process >> #process_image(imgcoupee) >> process_image(ph) >> process_image(cl) >> #process_image(flow) >> >> digits seems to be clear enough, but it does'nt work, if someone could >> help me ? >> >> thanks ! >> >> -- >> You received this message because you are subscribed to the Google Groups >> "tesseract-ocr" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/tesseract-ocr/a05712a5-e6ed-411f-a072-e389ea7095efn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/tesseract-ocr/a05712a5-e6ed-411f-a072-e389ea7095efn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/4ed81a73-0a82-426e-a35e-ba52c5ac71f1n%40googlegroups.com.

