hey can you please tell me how can i improve the text detection for the same kind of images?
On Friday, February 5, 2021 at 8:38:31 PM UTC+5:30 Kumar Rajwani wrote: > Thanks for this. i know about the usage of the tesseract. i have multiple > images where i can't improve image quality so i want to improve my model to > get text from it. > are you saying that text detection will not improve by training? > Because i don't have an issue with text recognition most of time it right. > can you tell me how can i improve the model to get more text from the > image? I am using psm 11 where it find lot's of text but some are missing. > > > On Friday, February 5, 2021 at 7:53:26 PM UTC+5:30 shree wrote: > >> 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 <kumarraj...@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-oc...@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. 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