double_file_names = load('data/fileName.txt');

[size_imgs, trash] = size(double_file_names);
str_file_names = num2str(double_file_names,'%.3f');

str_folder_color = 'data/color/';

for i = 1:1%size_imgs-1

    file_p = strcat(str_file_names(i,1:6), '.png');
    file_p = strcat(str_folder_color, file_p)

    file_q = strcat(str_file_names(i+1,1:6), '.png');
    file_q = strcat(str_folder_color, file_q)

    feature_ding(file_p, file_q)
end


function feature_ding(img_1, img_2)

    I1 = rgb2gray(imread(img_1));
    I2 = rgb2gray(imread(img_2));

    points1 = detectKAZEFeatures(I1,'Threshold', 0.0003,'NumOctaves' , 5,'NumScaleLevels',3);
    points2 = detectKAZEFeatures(I2,'Threshold', 0.0003,'NumOctaves' , 5,'NumScaleLevels',3);

    [f1, vpts1] = extractFeatures(I1, points1);
    [f2, vpts2] = extractFeatures(I2, points2);

    indexPairs = matchFeatures(f1, f2) ;
    [m, n] = size(indexPairs);
    matchedPoints1 = vpts1(indexPairs(1:m, 1));
    matchedPoints2 = vpts2(indexPairs(1:m, 2));

    figure; ax = axes;
    showMatchedFeatures(I1,I2,matchedPoints1,matchedPoints2,'montage','Parent',ax);
    title(ax, 'Candidate point matches');
    legend(ax, 'Matched points 1','Matched points 2');
end

function fprintf_ding()

end