Tung-Lam Le Thi-Hoang-Lan Nguyen Digital Image Watermarking with Geometric Distortion Correction using the Moment Image Theory. 51-56 2004 conf/rivf/2004 RIVF http://e-ifi.org/rivf/2004/proceedings/ArticlesRIVR_04/p51-56.pdf db/conf/rivf/rivf2004.html#LeN04