Martin, Please test again with the latest code from github. Ray has posted a fix for this.
See https://github.com/tesseract-ocr/tesseract/commit/b0ead95d64a3667339775b2f99ac37e97e90c2a0 On Monday, March 13, 2017 at 9:33:59 PM UTC+5:30, Martin Fadrhons wrote: > > Hi, > > I was trying to train tesseract 4 to recognize trademark symbol ™. I was > following examples on wiki: > > https://github.com/tesseract-ocr/tesseract/wiki/TrainingTesseract-4.00---Replacing-Top-Layer-Example > > https://github.com/tesseract-ocr/tesseract/wiki/TrainingTesseract-4.00---Replace-Top-Layer > > I use German language for testing. With the traineddata from repository > the trademark symbol is usually recognized as '" or some other variation of > quotes. So I created training text that includes trademark symbol and > started the training process. I replaced only the top layer as it is in the > example, however the trademark symbol is still not recognized properly. > With the newly generated traineddata the symbol is recognized as TM. I have > several questions. > > 1. Is it needed to replace more layers? > 2. How large should be the training text? (mine is based on the one that > is in langdata/deu directory) > 3. I noticed that there are symbols © and ®. Why is trademark symbol > missing? > > Any other hints would be appreciated. > > Thank you for your time, > Martin > > P.S. Also thanks for the great work on the tesseract OCR. > > -- 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 post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/bae4df30-abf8-488a-911a-f8f1832c7c2c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

