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https://github.com/2martens/uni.git
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44 lines
1.3 KiB
Matlab
44 lines
1.3 KiB
Matlab
% 1.
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indian = imread('indian.jpg');
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indian_med_filtered1 = medfilt2(indian, [3 3]);
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indian_med_filtered2 = medfilt2(indian, [2 2]);
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figure (1), imshow(indian);
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figure (2), imshow(indian_med_filtered1);
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figure (3), imshow(indian_med_filtered2);
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% 2.
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vertical = rgb2gray(imread('verticallines.png'));
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diagonal = rgb2gray(imread('diagonallines.png'));
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vertical_med = medfilt2(vertical);
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diagonal_med = medfilt2(diagonal);
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v_med_plus_d_med = vertical_med + diagonal_med;
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vplusd = vertical + diagonal;
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vplusd_med = medfilt2(vplusd);
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figure (4), imshow(diagonal);
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figure (5), imshow(vertical);
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figure (6), imshow(vplusd_med);
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figure (7), imshow(v_med_plus_d_med);
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% 3.
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swans = imread('swans_gray.jpg');
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swans_gauss = imgaussfilt(swans, 3);
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swans_1 = swans - swans_gauss;
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swans_size = size(swans_1);
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swans_lev1 = impyramid(swans_1, 'reduce');
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swans_2 = swans_lev1 - imgaussfilt(swans_lev1, 3);
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swans_lev1_size = size(swans_2);
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swans_lev2 = impyramid(swans_2, 'reduce');
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swans_3 = swans_lev2 - imgaussfilt(swans_lev2, 3);
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swans_lev2_size = size(swans_3);
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swans_lev3 = impyramid(swans_3, 'reduce');
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swans_4 = swans_lev3 - imgaussfilt(swans_lev3, 3);
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swans_lev3_size = size(swans_4);
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figure (8), imshow(swans);
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figure (9), imshow(swans_1);
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figure (10), imshow(swans_2);
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figure (11), imshow(swans_3);
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figure (12), imshow(swans_4);
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