image processing

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ganesh s
ganesh s 2011-11-26
hi i want to know if the input image consist of 0-255 gray level then how to quantize this input image in to 64 level. thanking you

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Image Analyst
Image Analyst 2011-11-26
You could use intlut() if you want to control the input and output ranges (e.g. 0-3 go to 0, 4-7 go to 1, 8 - 11 go to 2, etc. up to 255, like a posterized appearance), or you can simply divide by 4 if you want your output values to go from 0-63 (a quarter of what they were before).

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