Hey John, Are you able to share which parameters you tweaked to get better performance?
Thank you On Thu, Sep 1, 2022, 08:13 John Alway <[email protected]> wrote: > Hello Zdenko, > > Thank you for the advice. I ended up being able to tweak the tesseract > parameters and was able to improve performance so that it was good enough > without having to train. > > And I do appreciate the hard work and cleverness that has gone into > creating and improving tesseract. It's a beautiful piece of work. > > Regards, > ...John > > [image: width=] > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > Virus-free.www.avg.com > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > <#m_-4899738405294036450_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > On Wed, Aug 31, 2022 at 10:04 AM Zdenko Podobny <[email protected]> wrote: > >> Trained data from tesseract 5 are compatible with 4, so definitely I >> would suggest using the latest tesseract version for training - there was a >> lot of bug fixing and speed improvements. >> >> IMO tesseract training has never been easy. I always suggest focusing on >> image preprocessing rather than training. >> Following an easy looking training tutorial could also mean you are on >> the wrong path (=> you waste your time and it increases your frustration). >> For example:Tesseract 4 has 2 engines LSTM and legacy engine. In this >> particular video, for which engine is that training? For hints see[1]. Did >> you plan to train that engine or other one? >> >> [1] >> https://tesseract-ocr.github.io/tessdoc/tess5/TrainingTesseract-5.html#overview-of-training-process >> >> Zdenko >> >> >> st 31. 8. 2022 o 15:40 John Alway <[email protected]> napísal(a): >> >>> "First of all: if you follow any tutorial on internet - report the >>> problem to the author of the tutorial." >>> Next: use official documentation for training. I see there are a bunch >>> of folks just "generating content" - to gain an audience. Without insight >>> and therefore also without support, using old/outdated information..." >>> >>> People are trying to find a nice, easy tutorial to help them get >>> through the forest. I think that's the bottom line. Thanks for the link. >>> >>> 'Tesseract 4 was released 29 Oct 2018. Almost 4 year ago! The recent >>> tesseract version is 5.2 and training process was also improved: >>> https://github.com/tesseract-ocr/tesstrain"; >>> >>> I understand this, but I'm using C# .Net, and I don't think version 5 >>> is available in C#. Unless I'm mistaken? There are costly packages, such >>> as IronOcr which uses tesseract 5, but there is no way I can take that >>> route. >>> >>> Regards, >>> ...John >>> >>> >>> >>> [image: width=] >>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >>> Virus-free.www.avg.com >>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >>> <#m_-4899738405294036450_m_-846021221202202543_m_6502694561301915279_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >>> >>> On Wed, Aug 31, 2022 at 3:27 AM Zdenko Podobny <[email protected]> wrote: >>> >>>> First of all: if you follow any tutorial on internet - report the >>>> problem to the author of the tutorial. >>>> Next: use official documentation for training. I see there are a bunch >>>> of folks just "generating content" - to gain an audience. Without insight >>>> and therefore also without support, using old/outdated information... >>>> Tesseract 4 was released 29 Oct 2018. Almost 4 year ago! The recent >>>> tesseract version is 5.2 and training process was also improved: >>>> https://github.com/tesseract-ocr/tesstrain >>>> >>>> Zdenko >>>> >>>> >>>> st 31. 8. 2022 o 0:18 John Alway <[email protected]> napísal(a): >>>> >>>>> Hello, >>>>> >>>>> I've been following a tutorial on youtube titled "Tesseract OCR - >>>>> Lesson 2: Training Tesseract for new font" here: >>>>> https://www.youtube.com/watch?v=1v8BPw0Dn0I&ab_channel=TheCode >>>>> >>>>> I'm using tesseract 4.0 on Window 10. >>>>> >>>>> I went through the steps he used, and everything seems to go smoothly >>>>> until I get to the actual training. When I run "mftraining" the program >>>>> hangs. It seems to get stuck and doesn't indicate why are what it's doing. >>>>> >>>>> I'm using a set of fonts in an image. I have the full alphabet upper >>>>> and lower case and the numbers 0 to 9 on the png image. I've attached >>>>> the >>>>> image. Unlike him, I'm using the English. I don't know the font, so I'm >>>>> just calling it tiktok to give it a name. My training file is called >>>>> *eng.tiktok.exp0.tr >>>>> <http://eng.tiktok.exp0.tr> * >>>>> >>>>> I used* jTessBoxEditor* to correct mistakes and set the box sizes and >>>>> positions precisely. >>>>> >>>>> >>>>> When I run this command: >>>>> *mftraining -F font_properties -U unicharset -O eng.unicharset >>>>> eng.tiktok.exp0.tr <http://eng.tiktok.exp0.tr>* >>>>> >>>>> The program just hangs. I've waited over twenty minutes. >>>>> >>>>> Should I wait longer? What could cause it to hang? >>>>> >>>>> >>>>> >>>>> Thanks! >>>>> ...John >>>>> >>>>> -- >>>>> 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/534c3f74-420b-4c96-83dd-609bcb002f81n%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/tesseract-ocr/534c3f74-420b-4c96-83dd-609bcb002f81n%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]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8w5MX1XchQp6jfu2Vz06zWp82HxbDHrgp7%2BQ_Neh%2BDeug%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8w5MX1XchQp6jfu2Vz06zWp82HxbDHrgp7%2BQ_Neh%2BDeug%40mail.gmail.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/CAN7TTkEYLexQwmN9y3qO6cwqGoW72HoaEj8XksAgTwb3qVSNPA%40mail.gmail.com >>> <https://groups.google.com/d/msgid/tesseract-ocr/CAN7TTkEYLexQwmN9y3qO6cwqGoW72HoaEj8XksAgTwb3qVSNPA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "tesseract-ocr" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/tesseract-ocr/GkntrKGFqu0/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8wt1fjKy66uZ9-sEAqUkEwagLAZhFxcDV_8QLuPgk%3DnvQ%40mail.gmail.com >> <https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8wt1fjKy66uZ9-sEAqUkEwagLAZhFxcDV_8QLuPgk%3DnvQ%40mail.gmail.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/CAN7TTkG7-foR9g7YkBT8f%2BwU3P9Qf4s00V%3DMEazgkBboztzYsg%40mail.gmail.com > <https://groups.google.com/d/msgid/tesseract-ocr/CAN7TTkG7-foR9g7YkBT8f%2BwU3P9Qf4s00V%3DMEazgkBboztzYsg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. 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