HOW CAN I COMPARE TWO VIDEO FRAMES??...

I WANT TO SHOW THE DIFFERENCE BETWEEN TWO VIDEOs [same video.... one before watermarking and other after blind watermarking using DWT]... can someone help me to write a code..? Plz its for my project

Answer 1

[Walter Roberson]

framedifference = imsubtract(double(FirstFrame), double(SecondFrame));
framedifference(framedifference == 0) = NaN;
imagesc(framedifference);

[Akku ...]

Thank you sir...