How do you evenly quantize an image to a certain number of bits?

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J
J 2020-1-24
回答： Walter Roberson 2020-1-24
For example, how would I evenly quantize and image to 3 bits?

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Walter Roberson
Walter Roberson 2020-1-24
Most of the time it is not possible to evenly quantize an image to a particular number of bits that is smaller than the original number of bits of the image, for some very reasonable definitions of the word "evenly".
Have you looked at https://www.mathworks.com/help/images/ref/multithresh.html ?

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