Real time video watermarking (DCT modification)
- ubuntu 13.04 project.
- modify libav library ... (libav-0.8.6.tar.gz for ex.)
- insert a logo/image as watermark in encoding
- detect the watermark when playing the video ( the decoder shows the image inserted)
- the method for watermark : LSB modification for a block of DCT coefficients.
- a good description of what is modified.