import a movie file on matlab and check its functions then extract and save the end-diastolic (ed) and end-systolic (es) frames in matlab

main.m
% Import the video file
vid = VideoReader('movie_file.avi');

% Extract the number of frames in the video file
num_frames = vid.NumFrames;

% Initialize arrays to store the end-diastolic and end-systolic frames
ed_frames = zeros(vid.Height, vid.Width, 3, 'uint8');
es_frames = zeros(vid.Height, vid.Width, 3, 'uint8');

% Set the frame rate to 30 frames per second
framerate = 30;

% Set the time between frames for ED and ES
ed_time = 0.1; % in seconds
es_time = 0.9; % in seconds

% Extract the end-diastolic and end-systolic frames
for i = 1:num_frames
    % Read the current frame
    curr_frame = read(vid, i);
    
    % Calculate the current time in seconds
    curr_time = (i-1)/framerate;
    
    % If the current time is within the ED range, save the frame
    if curr_time >= 0 && curr_time <= ed_time
        ed_frames = curr_frame;
    end
    
    % If the current time is within the ES range, save the frame
    if curr_time >= es_time && curr_time <= (es_time+0.1)
        es_frames = curr_frame;
    end
end

% Save the end-diastolic and end-systolic frames as PNG files
imwrite(ed_frames, 'ED_frame.png');
imwrite(es_frames, 'ES_frame.png');
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