how to add a frame to a video

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Sivakumaran Chandrasekaran
Sivakumaran Chandrasekaran 2014 年 3 月 23 日
回答済み: Gareth Thomas 2014 年 3 月 23 日
My project is to do watermarking a video... what techniques can be used to achieve it.. i just planned to add a frame to a video as a watermarking and later remove it as extraction.. how to do it.. is my idea correct?

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Gareth Thomas
Gareth Thomas 2014 年 3 月 23 日
Hi Sivakumaran,
There are a couple of ways of doing this.
- take a frame, add your watermark to it, save that frame, repeat the process for all your frames, or the particular ones you want to water mark.
To achieve this there are a couple of ways: - use Image Processing and write a for loop, to get each frame, and add your watermark
OR if you have the Computer Vision System Toolbox, I would invite you to explore System Objects. Use the help and you will see that this makes life easy controlling the frame indexing.
There is an example on MATLAB central with free code for you to check out: http://www.mathworks.nl/matlabcentral/fileexchange/28410-watermark-project-watermarking
I hope this helps. Gareth

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