@ARTICLE{Li:IVC2009a, author = {Chengqing Li and Shujun Li and Guanrong Chen and Wolfgang A. Halang}, title = {Cryptanalysis of an Image Encryption Scheme Based on a Compound Chaotic Sequence}, journal = {Image and Vision Computing}, year = {2009}, volume = {27}, number = {8}, pages = {1035-1039}, doi = {10.1016/j.imavis.2008.09.004}, note = {preprint available online at \url{http://www.hooklee.com/pub.html}}, }