Warning: RGB image has 8 (not 3) samples per pixel.
??? Unsupported bit-depth for RGB TIFF image file.
Error in ==> imagesci\private\readtif at 32
[X, map, details] = rtifc(filename, args.index);
Error in ==> imread at 306
[X, map] = feval(fmt_s.read, filename, extraArgs{:});
Error in ==> shw_compensation_cy at 10
img_mul_orig = imread([pathname_img_mul,filename_img_mul]);