Johny wrote: > Can anyone give me an example how to apply a threshold value to an > image? > (everything above a certain brightness level becomes white, and > everything below the level becomes black.) > I was told I should use 256-item mapping table and pass it to the > "point" method. > But how should the 256-item mapping table look like, if the threshold > is 18( found from the histogram)
Sounds like homework. You have the tools, and are close to the answer. Experiment and look at the results. -Scott -- http://mail.python.org/mailman/listinfo/python-list
