36 lines
878 B
Mathematica
36 lines
878 B
Mathematica
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function F=extractGlobalColHist(img)
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divs = 2;
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dimensions = size(img);
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width = dimensions(2);
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height = dimensions(1);
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pixel_count = width * height;
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bin_values = zeros([1, pixel_count]);
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count = 1;
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for i = 1:length(img(:, 1, 1))
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for j = 1:length(img(1, :, 1))
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red = img(i, j, 1);
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green = img(i, j, 2);
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blue = img(i, j, 3);
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red_bin = floor(red*divs);
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green_bin = floor(green*divs);
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blue_bin = floor(blue*divs);
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bin_value = red_bin * (divs^2) + green_bin * (divs^1) + blue_bin;
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bin_values(count) = bin_value;
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count = count + 1;
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end
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end
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% hist_values = histogram(bin_values, (divs^3 - 1)).Values ./ pixel_count;
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hist_values = histogram(bin_values, (divs^3 - 1), 'Normalization', 'probability').Values;
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F=hist_values;
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return;
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