Oh noooo... This will completely ruin accuracy. Not talking about speed...
On Tue, Mar 29, 2011 at 8:17 PM, Max Cantor <[email protected]> wrote: > I might be completely wrong, but, you might be able to upscale the image if > you first skeletonize each glyph and reconstruct the a glyph from the > vectorized skeleton. > > I'm only putting this out as a possibility, I have no idea how to do this and > i imagine it would be very slow. > > On Mar 30, 2011, at 0:09, Dmitri Silaev <[email protected]> wrote: > >> I said all this assuming you're trying to improve the accuracy. If so, >> it's even enough to just upscale your original image by like 3 or 4 >> times. E.g. check the results for the file I've attached. But a better >> thing to do is get your source images already in a higher res. >> >> Warm regards, >> Dmitri Silaev >> >> >> >> >> >> On Tue, Mar 29, 2011 at 8:06 PM, Robert P. J. Day <[email protected]> >> wrote: >>> On Tue, 29 Mar 2011, Dmitri Silaev wrote: >>> >>>> Imho you're going in the wrong direction. Thresholding won't help. >>>> I've thresholded the image manually with Photoshop and Tesseract's >>>> result was the same as I for the original image. >>>> >>>> You need to get the image in a higher res, yours is 72 DPI only, >>>> that's not enough for Tesseract. In plain English it means you need >>>> more pixels per letter. >>> >>> ok, that's reasonable, i'll just be more restrictive about which >>> tiff files i accept for further processing. thanks. >>> >>> rday >>> >>> -- >>> >>> ======================================================================== >>> Robert P. J. Day Waterloo, Ontario, CANADA >>> http://crashcourse.ca >>> >>> Twitter: http://twitter.com/rpjday >>> LinkedIn: http://ca.linkedin.com/in/rpjday >>> ======================================================================== >>> >> >> -- >> 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. >> >> <phototest3.tif> > > -- > 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. > > -- 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.
