Hi All, Does anyone have an implementation of the equalize algorithm for 16- bit black-and-white images? The ImageOp.equalize() function does not support I;16 (at least I've not made it work using PIL 1.1.6) and my attempts to implement the algorithm have all failed when I try to to put the equalized pixel data back to the image. The failures are all sort of interesting: some fill only the left half of the image, some ignore every other row. These failures make me think that this is something to do with errors in mapping pixel to memory location for 8- bit vs. 16-bit images. I've tried im.putdata(...), Image.frombuffer (...), Image.fromstring(...), im.point(...), and pix = im.load(); pix [i,j] = h[pix[i,j]] and all produce one of the behaviors I mention above.
BTW, I've been able to confirm that my algorithm works by printing the pixel data to a file and using a separate plotting program to construct the image from the text data. So, I'm confident that its just the last packing stage where my problem lies. Any help would be greatly appreciated. Cheers, Mark ======================================================================== Mark Messier [EMAIL PROTECTED] Department of Physics http://www.physics.indiana.edu/~messier Indiana University Phone: (812) 855-0236 Bloomington, IN 47405 Fax: (812) 855-0440 _______________________________________________ Image-SIG maillist - Image-SIG@python.org http://mail.python.org/mailman/listinfo/image-sig
