@INPROCEEDINGS{cgUCL-BQM95,
 	AUTHOR={Bruyndonckx, O. and Quisquater, Jean-Jacques and Macq, Benoit},
	TITLE={{Spatial method of copyright labeling of digital images}},
	BOOKTITLE={IEEE Workshop on Nonlinear Images/Signal Processing, Thessal},
	MONTH={6},
	YEAR={1995},
}