load the movie file on matlab (check functions such as videoreader, etc), then extract and save the end-diastolic (ed) and end-systolic (es) frames. in matlab

main.m
vidObj = VideoReader('video_file.mp4');
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main.m
vidObj = VideoReader('video_file.mp4');

% Initialize variables
maxAvgIntensity = -1;
minAvgIntensity = Inf;
edFrame = [];
esFrame = [];

% Loop over frames
for i = 1:vidObj.NumFrames
    % Read current frame
    frame = read(vidObj, i);
    
    % Compute average intensity of current frame
    avgIntensity = mean(frame(:));
    
    % Check if this is the ED or ES frame
    if avgIntensity > maxAvgIntensity
        edFrame = frame;
        maxAvgIntensity = avgIntensity;
    end
    
    if avgIntensity < minAvgIntensity
        esFrame = frame;
        minAvgIntensity = avgIntensity;
    end
end

% Save ED and ES frames to files
imwrite(edFrame, 'ed_frame.png');
imwrite(esFrame, 'es_frame.png');
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