On Fri, Jan 7, 2011 at 22:04, Narendra Sisodiya <naren...@narendrasisodiya.com> wrote: > Can somebody give an easy way to convert a image into black and white using > a given threshold.. > > Currently I am doing like this > > image=ImageOps.grayscale(image) > for i in range(0,width): > for j in range(0,height): > if image.getpixel((i,j)) <= 200: > image.putpixel((i,j),0) > What's the problem with your code? What you're doing is called image binarization, afaik. Thresholding is the basic way to do it, are you unhappy with the results, or the speed of execution? If it is speed, the docs at http://www.pythonware.com/library/pil/handbook/image.htm say you should consider using `getdata' ...
> What is the general mailing list to ask question on python ? > This is one. There is also: http://mail.python.org/mailman/listinfo/baypiggies And http://mail.python.org/mailman/listinfo/python-list -- http://about.me/rosh _______________________________________________ BangPypers mailing list BangPypers@python.org http://mail.python.org/mailman/listinfo/bangpypers
