How do I binarize a thresholded image?

2220 views1 repliesLast post: 6/28/2004
Photoshop 9.0 (Win).
I would like to generate mask images with pixel intensities of 0 and 1. Therefore, I have thresholded the original and obtained an image with pixel intensities of 0 and 255. How do I binarize this image?
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