https://stackoverflow.com/questions/9480013/image-processing-to-improve-tesseract-ocr-accuracy
Gimp is your friend. From: [email protected] [mailto:[email protected]] On Behalf Of Ravi Annaswamy Sent: 05 October 2019 11:08 To: [email protected] Subject: Re: [tesseract-ocr] Re: tesseract ignores single/short characters -> any ideas? I didn’t try these images but my first guess: can you not provide dpi 72 as option and try? Sent from my iPhone On Oct 5, 2019, at 4:04 AM, test0r man <[email protected]<mailto:[email protected]>> wrote: --Push-- does anyone have an idea? thanks for help! Am Sonntag, 8. September 2019 12:23:28 UTC+2 schrieb test0r man: hi, i use this command: tesseract input/image.jpg output/output --dpi 72 --oem 1 -l deu+eng to scan image like "1_input.jpg" and "2_input.jpg". the ocr result is good, but it seems that tesseract ignores short/single characters. in the first image it ignores the three "0". in the second image it only detects the "10.". the tessinput files are attached too. if i use the "--psm 6" command, all other words won't be detected right. if i scale the images to 300 dpi, it's the same result. has anyone an idea? thanks for help! -- 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]<mailto:[email protected]>. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/6bb8a731-afa3-4dbf-a805-90b9120b791b%40googlegroups.com<https://groups.google.com/d/msgid/tesseract-ocr/6bb8a731-afa3-4dbf-a805-90b9120b791b%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]<mailto:[email protected]>. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/AC804F44-0BB2-4391-A38B-0E3059834D97%40gmail.com<https://groups.google.com/d/msgid/tesseract-ocr/AC804F44-0BB2-4391-A38B-0E3059834D97%40gmail.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/5a4fd89b7d35433cafe4f634f88620ff%40eesm.com.
