image processing - what is map and level in im2bw in matlab? -
i want convert rgb image binary image processing in matlab , of import take variables exactly, need know exacly map , level in im2bw(x,map,level) ?
map used when image of map datatype. map format of storing images each pixel represented number. numbers stored in lookup table called map. map images more compressible regular images. when image has displayed, value of pixel displayed based on lookup table.
in case, im2bw looks @ greyscale value of each pixel , thresholds.
matlab image-processing
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