RegionGrowingAlgorithm/ColorSegments.m at master · emreozanalkan/RegionGrowingAlgorithm · GitHub

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function [ segmentedImage, binaryImage ] = ColorSegments( regionMatrix )
%COLORSEGMENTS Summary of this function goes here
%   Detailed explanation goes here

uniqueRegionLabels = unique(regionMatrix);
uniqueRegionLabelCount = numel(uniqueRegionLabels);

labelColors = [];

for ii = 1 : uniqueRegionLabelCount

    rValue = randi(255);

    gValue = randi(255);

    bValue = randi(255);

    labelColors = [labelColors; rValue gValue bValue];
end

frequentLabel = mode(mode(regionMatrix));

[rows, cols] = size(regionMatrix);

segmentedImage = uint8(zeros(rows, cols, 3));

binaryImage = uint8(zeros(rows, cols, 1));

for ii = 1 : rows

    for jj = 1 : cols

        regionLabel = regionMatrix(ii, jj);

        colorIndex = find(uniqueRegionLabels == regionLabel);

        segmentedImage(ii, jj, 1) = labelColors(colorIndex, 1);

        segmentedImage(ii, jj, 2) = labelColors(colorIndex, 2);

        segmentedImage(ii, jj, 3) = labelColors(colorIndex, 3);

        if regionLabel == frequentLabel
            binaryImage(ii, jj) = 0;
        else
            binaryImage(ii, jj) = 255;
        end

    end

end


end