[MATLAB] 2014b making image sequences into avi movie file

clear all; % Clear all parameters
clc;
close all;  % Close all figures

%%

finf = dir(' file path\*.tif');   % *.tif => choose all tif file
n = length(finf);
data = cell(n,1);
len = zeros(n,1);

for k=1:n
    filename = [finf(k).name];
    data{k} = imread(filename);
    %F(k) = im2frame(data{k});
end

%%
%Making movie
writerObj  = VideoWriter('movie file path \ file_name.avi');
writerObj.FrameRate = 20;
open(writerObj);  %open movie file

for k=1:n
    img = rgb2gray(data{k});
    % Otsu's method
 
    level = graythresh(img);
    otsu = im2bw(img,level);
    otsu = im2uint8(otsu);

    new_img = [img otsu];  

    imshow(in_new_img);
    title('Otsu method');                      
 
    % binary to 8-bit integer
    mov = im2uint8(in_new_img);
 
    Mov = im2frame(mov); 
    writeVideo(writerObj,Mov);    
end

%%
% save as AVI file
close(writerObj);  %file name 


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Official document for VideoWriter