Without any image samples, you can only get a vague advice. Provide the community with samples and you might get a satisfactory concrete response.
Warm regards, Dmitry Silaev On Wed, Mar 2, 2011 at 1:43 PM, Cong Nguyen <[email protected]> wrote: > Please be careful with the Otsu algorithm, because we use only one threshold > value for whole image. > > No method is best for all cases J. > > > > You should do and compare the results between Otsu algorithm and adaptive > threshold algorithm. > > About adaptive threshold algorithm, you can be based on integral image > (known by Paul Viola et. al) to increase performance. > > > > Cong. > > > > From: [email protected] [mailto:[email protected]] > On Behalf Of Saurabh Gandhi > Sent: Wednesday, March 02, 2011 3:34 PM > To: [email protected] > Cc: Bikash Bag > Subject: Re: image binarization > > > > You can use Otsu's binarisation algorithm: > > http://www.sas.bg/code-snippets/image-binarization-the-otsu-method.html > > -- > Regards, > Saurabh Gandhi > > > > On Wed, Mar 2, 2011 at 1:45 PM, Bikash Bag <[email protected]> wrote: > > Hi, I am new to OCR, can anyone please tell me a good image binarization > algorithm. > > regards, > bikash > > -- > 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. > > -- > 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.
