@INPROCEEDINGS {3700,
author={T. Brandão and M.P. Queluz},
doi={},
booktitle={International Conf. on Image Analysis and Recognition},
title={Blind PSNR estimation of video sequences, through non-uniform quantization watermarking},
year={2006},
month={September},
volume={LNCS 4141},
pages={587-599} 
}