Brian K. Lien An Information-Theoretic Model for Dispersed Ordered Dithered Halftone Image Watermarking by Hilbert Curve Decomposition. 90-93 2010 IIH-MSP http://doi.ieeecomputersociety.org/10.1109/IIHMSP.2010.30 conf/iih-msp/2010 db/conf/iih-msp/iih-msp2010.html#Lien10