Training won't fix that. See https://www.pyimagesearch.com/2020/09/07/ocr-a-document-form-or-invoice-with-tesseract-opencv-and-python/
https://stackoverflow.com/questions/61265666/how-to-extract-data-from-invoices-in-tabular-format On Fri, Feb 5, 2021 at 6:14 PM Kumar Rajwani <kumarrajwani1...@gmail.com> wrote: > i have tried a lot of images where it getting 90% accuracy and missing > always one side of image. that's the reason i want to train model if it can > improve a little a bit it would be great. > if you can provide a script or steps that can help me it would be good for > me. > > On Friday, February 5, 2021 at 5:50:30 PM UTC+5:30 Kumar Rajwani wrote: > >> main thing is i want to learn about training tesseract on image level so >> can you please tell me how can i procced further. i want to know where is >> the main problem. >> >> >> On Friday, February 5, 2021 at 5:46:22 PM UTC+5:30 shree wrote: >> >>> I see the tabular image that you shared. I don't think training is >>> going to help you in this. eng.traineddata should be able to recognize it >>> quite well. You should select the different areas of interest and just OCR >>> those sections. >>> >>> On Fri, Feb 5, 2021 at 5:33 PM Kumar Rajwani <kumarraj...@gmail.com> >>> wrote: >>> >>>> i have tried to do same thing in tesseract 4 which stuck at following >>>> line. >>>> Compute CTC targets failed! >>>> >>>> On Friday, February 5, 2021 at 5:04:42 PM UTC+5:30 Kumar Rajwani wrote: >>>> >>>>> !tesseract -v >>>>> tesseract 5.0.0-alpha-20201231-171-g04173 >>>>> leptonica-1.78.0 >>>>> libgif 5.1.4 : libjpeg 8d (libjpeg-turbo 1.5.2) : libpng 1.6.34 : >>>>> libtiff 4.0.9 : zlib 1.2.11 : libwebp 0.6.1 : libopenjp2 2.3.0 >>>>> Found AVX2 >>>>> Found AVX >>>>> Found FMA >>>>> Found SSE >>>>> Found OpenMP 201511 >>>>> Found libarchive 3.2.2 zlib/1.2.11 liblzma/5.2.2 bz2lib/1.0.6 >>>>> liblz4/1.7.1 >>>>> >>>>> image example >>>>> i have added one image from my training data. >>>>> >>>>> i am using the colab system which have ubuntu os. >>>>> >>>>> https://colab.research.google.com/drive/1_Bn4wbK6dE5zYAuFyC4Eczq_eNU2shuz?usp=sharing >>>>> this is my notebook you can see complete process in finetune 2 section. >>>>> >>>>> >>>>> On Friday, February 5, 2021 at 4:55:43 PM UTC+5:30 shree wrote: >>>>> >>>>>> On Fri, Feb 5, 2021 at 4:44 PM Kumar Rajwani <kumarraj...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> hi, >>>>>> >>>>>> i have tried minus 1 and got following result >>>>>>> Iteration 0: GROUND TRUTH : ) @® >>>>>>> Iteration 0: BEST OCR TEXT : Yo >>>>>>> File eng.arial.exp0.lstmf line 0 : >>>>>>> >>>>>> >>>>>> >>>>>>> What's your version of tesseract? What o/s? >>>>>>> >>>>>> >>>>>> Without your files, it's difficult to know what's causing the issue. >>>>>> >>>>>> with -1 debug_interval you should get the info for every iteration. >>>>>> >>>>> -- >>>> >>> 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/342f3faf-b107-4243-845e-ba8a16274122n%40googlegroups.com >>>> <https://groups.google.com/d/msgid/tesseract-ocr/342f3faf-b107-4243-845e-ba8a16274122n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >>> >>> -- >>> >>> ____________________________________________________________ >>> भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com >>> >> -- > 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/e663d426-2c32-432b-80b3-4ff9d8fe86d4n%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/e663d426-2c32-432b-80b3-4ff9d8fe86d4n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com -- 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/CAG2NduXnFEdN12RhmwUn-pyqBwFBbe1BzPQ4r28uOfP5DrnuSg%40mail.gmail.com.
