adaptive thresholding

Hello, I have a .bmp image and i want to apply adaptive thresholding to image to separate the background and the text. I want to know how i can apply adaptive thresholding? the size of image is 186x277

<http://s1204.photobucket.com/albums/bb403/attayyabkhan/?action=view&current=text.jpg>

Thanks in advance

Answer 1

[Image Analyst]

OK. Good luck. Come back and ask a question, if any arise, or if you need help. Be sure to upload your image somewhere in advance though.

[developer]

i have edit the question

Answer 2

[Image Analyst]

Try this method: http://www.leptonica.com/binarization.html