I used both grayscale and rescale and got better results. You can try out the combination in VietOCR <http://vietocr.sf.net> (Java version).
On Thursday, July 24, 2014 6:10:26 AM UTC-5, Mustak M wrote: > > Thanks for the reply Quan. > > I tried after scaling the image to 300DPI, but no success. I am using java > code to rescale the image to 300DPI. > > Java code > <http://www.java-forums.org/java-applets/13546-image-resizing-dpi.html> > > I have attached both the images for reference (Original Image.JPG, > ImageUpdated to 300dpi.jpg) > > Can you tell me what may be the issue. > > Tesseract tool is not able retrieve the text which is of smaller font. > > Thanks > > > On Tuesday, July 22, 2014 4:23:32 AM UTC+5:30, Quan Nguyen wrote: > >> You'll need to pre-process the image. >> >> Grayscale: >> MRN x255 one w» AGE w,» >> >> Rescale to 300DPI: >> MRN: 1259 DOB: <none> AGE: <none> >> >> On Monday, July 21, 2014 7:34:29 AM UTC-5, Mustak M wrote: >>> >>> I am trying to retrieve the text from attached image, but tesseract >>> tool is not retuning anything. I tried the same with tess4J api, but no >>> success. Can anyone help me with this. >>> >>> Image file attached. >>> Thanks >>> >> -- 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/3652579a-fba6-40ae-aedd-319b7965670c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

