Hi Vitor, Did not had time to test your code, but I have a sample app that does exactly what you want:
https://github.com/arturaugusto/display_ocr it's intended to recognise numbers using a 7 segments font traineddata, but you can use other trained data and change the whitelist chars. Artur 2015-03-18 15:28 GMT-03:00 Vitor GuimarĂ£es <[email protected]>: > Hi guys, I'm trying to do tesseract recognize text from webcam. This is my > code, but these errors are occurring: > > Error in pixGetDepth: pix not defined > Error in pixGetWpl: pix not defined > Error in pixGetYRes: pix not defined > Please call SetImage before attempting recognition. > > ~Please, sorry my bad english > > > > import cv2 > import tesseract > > api = tesseract.TessBaseAPI() > api.Init(".", "eng", tesseract.OEM_DEFAULT) > > while(True): > ret, frame = cv2.VideoCapture(0).read() > > api.SetImage(tesseract.pixRead("gray")) > print("OCR output:\n%s" %api.GetUTF8Text()); > > cv2.imshow('Frame', frame) > if cv2.waitKey(1) & 0xFF == ord('q'): > break > > api.End() > cv2.VideoCapture(0).release() > cv2.destroyAllWindows() > > > -- > 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 http://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tesseract-ocr/6f41fa9c-ebb1-43e5-a4d0-a791aad8fceb%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/6f41fa9c-ebb1-43e5-a4d0-a791aad8fceb%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 http://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAGP33S7B%3DR9CPS4DFHLvxCh98oCi-JX4QHX7bbOfNYNMqqd2cw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.

