Huo-Chong Ling Raphael C.-W. Phan Swee-Huay Heng Attacks on SVD-Based Watermarking Schemes. 83-91 2008 ISI Workshops http://dx.doi.org/10.1007/978-3-540-69304-8_10 conf/isi/2008w db/conf/isi/isiw2008.html#LingPH08