Proses ym myd ffotograffiaeth
Definition[edit]
The simplest thresholding methods replace each pixel in an image with
a black pixel if the image intensity {\displaystyle I_{i,j}} is less
than some fixed constant T (that is, {\displaystyle I_{i,j}<T}), or a
white pixel if the image intensity is greater than that constant. In
the example image on the right, this results in the dark tree becoming
completely black, and the white snow becoming completely white.
https://en.wikipedia.org/wiki/Thresholding_(image_processing)
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