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augmentation.m
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% PARAMETERS
% - trainingImages: tensor containing images, has size (227, 227, 3, (number of images))
% - labels: contains the labels of trainingImages
% - trainingImages(:,:,:,i) belongs to class labels(i)
% RETURNS
% - trainingImagesFinal: tensor containing original and augmented patterns, has size (227, 227, 3, (number of images)*36)
% - labelsFinal: contains the labels of trainingImagesFinal
function [trainingImagesFinal, labelsFinal] = augmentation(trainingImages, labels)
[trainingImagesFinal, labelsFinal] = cumulative_shdw_h(trainingImages, labels);
end
% cumulative shadows (35 groups, both contrast functions, with harshness)
function [trainingImagesModified, labelsModified] = cumulative_shdw_h(trainingImages, labels)
group1 = trainingImages;
group2 = trainingImages;
group3 = trainingImages;
group4 = trainingImages;
group5 = trainingImages;
group6 = trainingImages;
group7 = trainingImages;
group8 = trainingImages;
group9 = trainingImages;
group10 = trainingImages;
group11 = trainingImages;
group12 = trainingImages;
group13 = trainingImages;
group14 = trainingImages;
group15 = trainingImages;
group16 = trainingImages;
group17 = trainingImages;
group18 = trainingImages;
group19 = trainingImages;
group20 = trainingImages;
group21 = trainingImages;
group22 = trainingImages;
group23 = trainingImages;
group24 = trainingImages;
group25 = trainingImages;
group26 = trainingImages;
group27 = trainingImages;
group28 = trainingImages;
group29 = trainingImages;
group30 = trainingImages;
group31 = trainingImages;
group32 = trainingImages;
group33 = trainingImages;
group34 = trainingImages;
group35 = trainingImages;
% soft contrasts
%%% group 1
% stretched
group1 = stretch_contract(group1);
%%% group 2
% decrease contrast 1, blur
group2 = contrast_blur_h(group2,1,0,0);
%%% group 3
% increase contrast 1, blur
group3 = contrast_blur_h(group3,1,1,0);
%%% group 4
% stretch, decrease contrast 1, blur
group4 = stretch_contract(group4);
group4 = contrast_blur_h(group4,1,0,0);
%%% group 5
% stretch, increase contrast 1, blur
group5 = stretch_contract(group5);
group5 = contrast_blur_h(group5,1,1,0);
%%% group 6
% decrease contrast 2, blur
group6 = contrast_blur_h(group6,2,0,0);
%%% group 7
% increase contrast 2, blur
group7 = contrast_blur_h(group7,2,1,0);
%%% group 8
% stretch, decrease contrast 2, blur
group8 = stretch_contract(group8);
group8 = contrast_blur_h(group8,2,0,0);
%%% group 9
% stretch, increase contrast 2, blur
group9 = stretch_contract(group9);
group9 = contrast_blur_h(group9,2,1,0);
%%% group 10
% shadows
group9 = shadows(group9);
%%% group 11
% shadows, stretch
group11 = stretch_contract(group11);
group11 = shadows(group11);
%%% group 12
% decrease contrast 1, blur, shadows
group12 = contrast_blur_h(group12,1,0,0);
group12 = shadows(group12);
%%% group 13
% increase contrast 1, blur, shadows
group13 = contrast_blur_h(group13,1,1,0);
group13 = shadows(group13);
%%% group 14
% stretch, decrease contrast 1, blur, shadows
group14 = stretch_contract(group14);
group14 = contrast_blur_h(group14,1,0,0);
group14 = shadows(group14);
%%% group 15
% stretch, increase contrast 1, blur, shadows
group15 = stretch_contract(group15);
group15 = contrast_blur_h(group15,1,1,0);
group15 = shadows(group15);
%%% group 16
% decrease contrast 2, blur, shadows
group16 = contrast_blur_h(group16,2,0,0);
group16 = shadows(group16);
%%% group 17
% increase contrast 2, blur, shadows
group17 = contrast_blur_h(group17,2,1,0);
group17 = shadows(group17);
%%% group 18
% stretch, decrease contrast 2, blur, shadows
group18 = stretch_contract(group18);
group18 = contrast_blur_h(group18,2,0,0);
group18 = shadows(group18);
%%% group 19
% stretch, increase contrast 2, blur, shadows
group19 = stretch_contract(group19);
group19 = contrast_blur_h(group19,2,1,0);
group19 = shadows(group19);
% harsh contrasts
%%% group 20
% decrease contrast 1, blur
group20 = contrast_blur_h(group20,1,0,1);
%%% group 21
% increase contrast 1, blur
group21 = contrast_blur_h(group21,1,1,1);
%%% group 22
% stretch, decrease contrast 1, blur
group22 = stretch_contract(group22);
group22 = contrast_blur_h(group22,1,0,1);
%%% group 23
% stretch, increase contrast 1, blur
group23 = stretch_contract(group23);
group23 = contrast_blur_h(group23,1,1,1);
%%% group 24
% decrease contrast 2, blur
group24 = contrast_blur_h(group24,2,0,1);
%%% group 25
% increase contrast 2, blur
group25 = contrast_blur_h(group25,2,1,1);
%%% group 26
% stretch, decrease contrast 2, blur
group26 = stretch_contract(group26);
group26 = contrast_blur_h(group26,2,0,1);
%%% group 27
% stretch, increase contrast 2, blur
group27 = stretch_contract(group27);
group27 = contrast_blur_h(group27,2,1,1);
%%% group 28
% decrease contrast 1, blur, shadows
group28 = contrast_blur_h(group28,1,0,1);
group28 = shadows(group28);
%%% group 29
% increase contrast 1, blur, shadows
group29 = contrast_blur_h(group29,1,1,1);
group29 = shadows(group29);
%%% group 30
% stretch, decrease contrast 1, blur, shadows
group30 = stretch_contract(group30);
group30 = contrast_blur_h(group30,1,0,1);
group30 = shadows(group30);
%%% group 31
% stretch, increase contrast 1, blur, shadows
group31 = stretch_contract(group31);
group31 = contrast_blur_h(group31,1,1,1);
group31 = shadows(group31);
%%% group 32
% decrease contrast 2, blur, shadows
group32 = contrast_blur_h(group32,2,0,1);
group32 = shadows(group32);
%%% group 33
% increase contrast 2, blur, shadows
group33 = contrast_blur_h(group33,2,1,1);
group33 = shadows(group33);
%%% group 34
% stretch, decrease contrast 2, blur, shadows
group34 = stretch_contract(group34);
group34 = contrast_blur_h(group34,2,0,1);
group34 = shadows(group34);
%%% group 35
% stretch, increase contrast 2, blur, shadows
group35 = stretch_contract(group35);
group35 = contrast_blur_h(group35,2,1,1);
group35 = shadows(group35);
%%% output
trainingImagesModified = cat(4,trainingImages, group1, group2, group3, group4, group5, group6, group7, group8, group9, group10, group11, group12, group13, group14, group15, group16, group17, group18, group19, group20, group21, group22, group23, group24, group25, group26, group27, group28, group29, group30, group31, group32, group33, group34, group35);
labelsModified = [labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels, labels];
end