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/CAJbzG8x-JijWc-AS4SHQw7y2vR%3D4he0661%2BBTaf7XGYoh6c7oA%40mail.gmail.com.
