If the pictures are all the same size, using ImageMagick you can most probably just cut each cell, pad it with black and send it back to tesseract. Just make sure to keep value only when there is a high confidence or enough "white" pixels?
Le lun. 16 nov. 2020 à 08:30, agentbond009 <kshitij1...@gmail.com> a écrit : > Thanks Martin Läuter for the tutorial. But still i am gonna use > tesseract for this bc i don't think my PC will handle tenserflow. > > On Sunday, 15 November 2020 at 20:56:35 UTC+5:30 Martin Läuter wrote: > >> Hi, >> Someone did some (apparently) solid sudoku solving without tesseract, >> see https://blog.scottlogic.com/2020/01/03/webassembly-sudoku-solver.html. >> And the explanation is not bad either. >> Hope that helps, >> Martin. >> On Sunday, November 15, 2020 at 12:25:49 PM UTC+1 agentbond009 wrote: >> >>> [image: sudoku_output.jpg]yes i think the image is always the same >>> size but i am not able to cut out the columns(still figuring out ). Like >>> the image below is the result after thresholding. The problem is to reduce >>> the noise(all depends on quality) like for example if the pic is of bad >>> quality like this one, then i think the ocr will mess it up. >>> there are two pics for comparision. >>> On Friday, 6 November 2020 at 20:56:25 UTC+5:30 Jean-Marc Spaggiari >>> wrote: >>> >>>> Is the image always the same size? Can you cut the columns to remove >>>> them and keep just the numbers? >>>> >>>> Le ven. 6 nov. 2020 à 10:21, agentbond009 <kshit...@gmail.com> a >>>> écrit : >>>> >>>>> sorry for the late reply >>>>> I have done the thresholding part by using opencv and converted the >>>>> whole image to gray >>>>> and still stuck with recognising the digits. i was thinking to use >>>>> clear_border from skimage. >>>>> >>>>> On Friday, 30 October 2020 at 19:57:19 UTC+5:30 Jean-Marc Spaggiari >>>>> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> Did you give it a try? >>>>>> >>>>>> Try to have the numbers in white in black in a withe background. Are >>>>>> you able to get each cell separately? >>>>>> >>>>>> JM >>>>>> >>>>>> Le ven. 30 oct. 2020 à 10:22, agentbond009 <kshit...@gmail.com> a >>>>>> écrit : >>>>>> >>>>>>> hello. I am working on a project, i was wondering if tesseract is an >>>>>>> OCR can it read the no.s from a sudoku. >>>>>>> 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 tesseract-oc...@googlegroups.com. >>>>>>> To view this discussion on the web visit >>>>>>> https://groups.google.com/d/msgid/tesseract-ocr/4abe9a73-9543-4a5b-b29e-a917874378f8n%40googlegroups.com >>>>>>> <https://groups.google.com/d/msgid/tesseract-ocr/4abe9a73-9543-4a5b-b29e-a917874378f8n%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 tesseract-oc...@googlegroups.com. >>>>> >>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/tesseract-ocr/f2c178b6-5861-49be-8b23-3506f58c14edn%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/tesseract-ocr/f2c178b6-5861-49be-8b23-3506f58c14edn%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 tesseract-ocr+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tesseract-ocr/c66465e3-3640-4daa-9ae4-52ae2dbc8451n%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/c66465e3-3640-4daa-9ae4-52ae2dbc8451n%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 tesseract-ocr+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAPQV63VbGmRNzVg8XG1xjfrpH3DPhkYPj08DkSyO-YknQhjkLA%40mail.gmail.com.
