Not sure I can get that high a resolution since my source material is from a youtube video. However, maybe I can interpolate to get a good resolution. I'll play around with it. Thanks!
On Fri, Feb 22, 2013 at 6:59 PM, Sven Pedersen <[email protected]> wrote: > Your image is too low resolution, PNG format is actually great. You also > might convert to b/w rather than color. Shoot for about 200-300dpi > (technically pixels per inch). You can get more info on the FAQ -- > technically tesseract looks at the font height and evaluates a sort of > vector. > --Sven > > > On Fri, Feb 22, 2013 at 8:25 PM, Colin Williams <[email protected]> > wrote: >> >> The output from tesseract was so poor on my first attempt with a png, that >> I thought something was wrong. I read somewhere to use tiff. Anyhow I tried >> again, and this time there is some resemblance to the given text (It's still >> crap). Is this the kind of output I should expect from tesseract? >> >> >> On Thursday, February 21, 2013 3:50:41 PM UTC-8, Colin Williams wrote: >>> >>> Hi, >>> >>> I'm trying to capture a screenshot then run OCR on that screenshot. I've >>> tried: >>> >>> > import -depth 24 ss.tiff >>> >>> I also tried >>> >>> > import -depth 24 ss.tiff >>> > convert -alpha Off ss.tiff ssoff.tiff >>> >>> Either way I get >>> >>> tesseract ssoff.tiff output >>> Tesseract Open Source OCR Engine v3.02.02 with Leptonica >>> Error in pixReadFromTiffStream: can't handle bpp > 32 >>> Error in pixReadStreamTiff: pix not read >>> Error in pixReadStream: tiff: no pix returned >>> Error in pixRead: pix not read >>> Unsupported image type. >>> >>> >>> So how do I go about creating a screenshot that tesseract can read with >>> the imagemagick command line tools? >> >> -- >> -- >> 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 unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> > > > > > -- > ``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 > > --- > 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]. > For more options, visit https://groups.google.com/groups/opt_out. > > -- -- 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 unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
