check pixel value

 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

Answer 1

[Walter Roberson]

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;