Thank you. Now to look at imagick to set the resolution! On Thursday, 30 April 2020 10:36:56 UTC+1, shree wrote: > > Looks like the image resolution is not set correctly. You can specify dpi > while processing. > > ubuntu@tesseract-ocr:~/TEST$ tesseract 82.png - --dpi 300 > 82 > ubuntu@tesseract-ocr:~/TEST$ tesseract 81.png - --dpi 300 > 81 > > > On Thu, Apr 30, 2020 at 2:57 PM tristan gordon <[email protected] > <javascript:>> wrote: > >> Hello all, >> >> Could you help? >> >> Attached are two images containing two numbers, 81 and 82, which I am >> attempting to get Tesseract OCR to read. >> >> Each time Tesseract OCR is returning empty page and producing an empty >> text.txt document. >> >> The error is displaying as follows: >> >> # tesseract 82.png out >> Tesseract Open Source OCR Engine v4.1.1-rc2-20-g01fb with Leptonica >> Warning: Invalid resolution 0 dpi. Using 70 instead. >> Estimating resolution as 1622 >> Empty page!! >> Estimating resolution as 1622 >> Empty page!! >> >> How can I get the numbers to output? Are any changed required to the >> images or to tesseract? >> >> These images have been produced using Centos 7, Apache, PHP and Imagick. >> Retrieving the image from an external server, then processing the image >> using Imagick to crop, grayscale, trim to focus area, resize, smooth edges, >> remove background, set image to black and white, flatten the image, set a >> resolution and image format. >> These images have then been saved (for development purposes) and tested >> using the above. >> >> Once these errors are sorted and it's running, tesseract-ocr-php will >> complete the process on the fly (as there's around 6000 images to read). >> >> Let me know. >> >> Thank you (in advance). >> >> >> -- >> 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] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/tesseract-ocr/2314316b-1b5c-4a44-b9bb-8e65a901a688%40googlegroups.com >> >> <https://groups.google.com/d/msgid/tesseract-ocr/2314316b-1b5c-4a44-b9bb-8e65a901a688%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > > ____________________________________________________________ > भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com >
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