clc; % Clear command window.
clear; % Delete all variables.
close all; % Close all figure windows except those created by imtool.
% imtool close all; % Close all figure windows created by imtool.
workspace; % Make sure the workspace panel is showing.
lab_fabric = rgb2lab('image.tif');
a = lab_fabric(:,:,2);
b = lab_fabric(:,:,3);
color_markers = zeros([nColors, 2]);
for count = 1:nColors
color_markers(count,1) = mean2(a(sample_regions(:,:,count)));
color_markers(count,2) = mean2(b(sample_regions(:,:,count)));
end
color_labels = 0:nColors-1;
a = double(a);
b = double(b);
distance = zeros([size(a), nColors]);
for count = 1:nColors
distance(:,:,count) = ( (a - color_markers(count,1)).^2 + ...
(b - color_markers(count,2)).^2 ).^0.5;
end
[~,label] = min(distance,[],3);
label = color_labels(label);
clear distance;
rgb_label = repmat(label,[1 1 3]);
segmented_images = zeros([size(fabric), nColors],'uint8');
for count = 1:nColors
color = fabric;
color(rgb_label ~= color_labels(count)) = 0;
segmented_images(:,:,:,count) = color;
end
montage({segmented_images(:,:,:,2),segmented_images(:,:,:,3) ...
segmented_images(:,:,:,4),segmented_images(:,:,:,5) ...
segmented_images(:,:,:,6),segmented_images(:,:,:,1)});
title("Montage of Red, Green, Purple, Magenta, and Yellow Objects, and Background")
error:
Error using rgb2lab
Expected input number 1, RGB, to be one of these types:
single, double, uint8, uint16
Error in rgb2lab (line 56)
validateattributes(rgb, ...
Error in test (line 7)
lab_fabric = rgb2lab('image.tif');
