check pixel value

2011 3 29
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sir in a given binary image i need to check a given pixel whether it is black or white how to do plz help in coading
if i give (32X43)pixel i need to check whether that pixel is white or black

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Walter Roberson
Walter Roberson 2011-3-29

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pixel_is_white = logical(Image(i,j));
or
pixel_is_white = Image(i,j) ~= 0;
pixel_is_black = ~Image(i,j);
or
pixel_is_black = Image(i,j) == 0;

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