[Matab] Image operations

bake_in_colormap.m

%% Bake-in colormap
Im = frame_stack(:,:,1);  % Pick image
Im = Im-min(Im(:)); Im = Im./max(Im(:)); % Normalise
%Im = Im-prctile(Im(:),1); Im = Im./prctile(Im(:),99); % Normalise to percentiles
Im = round(Im*255); % 0-255
cm = viridis(256); % Colormap (ideally uniform)
Im = ind2rgb(Im,cm); % Bake
figure(1); image(Im) % Looks good

save_multipage_tiff.m

%% Save as multipage-tiff
filename = 'blah.tiff';
D = frame_stack;
imwrite(D(:,:,1),filename); % Save first frame
for j = 2:size(D,3)
    imwrite(D(:,:,j),filename,'WriteMode','append'); % Append all the other frames
end