preprocess_and_downscale_spectrogram_data.m

%% load data
load('F:\oytun_Calisma\data\spectrograms1_new.mat');
load('F:\oytun_Calisma\data\spectrograms2_new.mat');
load('F:\oytun_Calisma\data\spectrograms3_new.mat');

spectrograms1 = spectrograms1(:,:,[1:49,51:57]);

%%
spectrogram_fast = zeros(size(spectrograms1));
spectrogram_fast_label = ones(size(spectrograms1,3),1);

spectrogram_slow = zeros(size(spectrograms2));
spectrogram_slow_label = ones(size(spectrograms2,3),1);
spectrogram_slow_label(:) = 2;

spectrogram_slow_pocket = zeros(size(spectrograms3));
spectrogram_slow_pocket_label = ones(size(spectrograms3,3),1);
spectrogram_slow_pocket_label(:) = 3;


for ii = 1:size(spectrograms1,3)
    spectrogram_fast(:,:,ii) = 10*log(abs(spectrograms1(:,:,ii)));
end

    
for ii = 1:size(spectrograms2,3)
    spectrogram_slow(:,:,ii) = 10*log(abs(spectrograms2(:,:,ii)));
end

for ii = 1:size(spectrograms3,3)
    spectrogram_slow_pocket(:,:,ii) = 10*log(abs(spectrograms3(:,:,ii)));
end


%% downscale 
spectrogram_fast_resized = zeros(250,250,size(spectrogram_fast,3));
spectrogram_slow_resized = zeros(250,250,size(spectrogram_slow,3));
spectrogram_slow_pocket_resized = zeros(250,250,size(spectrogram_slow_pocket,3));

for ii = 1:size(spectrogram_fast,3)
    spectrogram_fast_resized(:,:,ii) = imresize(spectrogram_fast(:,:,ii),[250,250],'bicubic');
end
for ii = 1:size(spectrogram_slow,3)
    spectrogram_slow_resized(:,:,ii) = imresize(spectrogram_slow(:,:,ii),[250,250],'bicubic');
end
for ii = 1:size(spectrogram_slow_pocket,3)
    spectrogram_slow_pocket_resized(:,:,ii) = imresize(spectrogram_slow_pocket(:,:,ii),[250,250],'bicubic');
end