classdef img_transform

methods

function processed_img = histogram_equalisation(~, img, show)

hsv_im = rgb2hsv(img);

hist_hsv = histeq(hsv_im(:, :, 3));

hsv_im(:, :, 3) = hist_hsv;

processed_img = hsv2rgb(hsv_im);

if show==1

figure;

subplot(2, 1, 1);

imshow(img);

title('Original Image');

subplot(2, 1, 2);

imshow(processed_img);

title('Processed Image');

end

end

function processed_img = cla_histogram_equalisation(~, img, numTiles, show)

lab_im = rgb2lab(img);

L = lab_im(:,:,1)/100;

L = adapthisteq(L,'NumTiles',numTiles,'ClipLimit',0.005);

lab_im(:,:,1) = L*100;

processed_img = lab2rgb(lab_im,'OutputType','uint8');

if show==1

figure;

subplot(2, 1, 1);

imshow(img);

title('Original Image');

subplot(2, 1, 2);

imshow(processed_img);

title('Processed Image');

end

end

end

end