You should not need to retrain. You need to change the images to grayscale or B&W of 200-300 dpi, get the background (which seems to be gray) to be closer to white. You can do that kind of cleanup transformation with ImageMagick. --Sven
On Wed, Aug 17, 2011 at 3:09 PM, Andriy Malovanyy <[email protected]> wrote: > Hi, > > I try to write a simple program that uses pictures, which are taken from a > web-cam every 10 sec. with another program, recognises the text with OCR and > log the data into a text file. Everything seems to be working fine except > the fact that tesseract does not want to recognize the pictures that are > taken. If I "feed" tesseract pictures created with Photoshop, it works > better but sometimes also can not recognize very simple and obvious text > (numbers). > > I attach the 3 files taken by a web cam and 1 created with Photoshop. None > of them recognize well. The first two web-cam picture return garbage text, > the third one (the best quality I think) returns "Empty page message". > Photoshop picture returns "1234.018" instead of "1234.0.18". > > I use Tesseract-OCR 3.0 with language files that followed the package > (English only). Do I need to train Tessarat to recognise the pictures?? How > is it better to do it then?? Take several pictures taken with a web-cam, and > from them make a training file with numbers from 0 to 9 and points? I have > started to read how to do that, it seems sooo complicated.. > > Any advice appreciated. > > -- > You received this message because you are subscribed to the Google > Groups "tesseract-ocr" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/tesseract-ocr?hl=en > -- ``All that is gold does not glitter, not all those who wander are lost; the old that is strong does not wither, deep roots are not reached by the frost. >From the ashes a fire shall be woken, a light from the shadows shall spring; renewed shall be blade that was broken, the crownless again shall be king.” -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/tesseract-ocr?hl=en
