1. Network and Data Security Key Laboratory of Sichuan Province, Chengdu Sichuan 611731, China 2. School of Computer Science and Educational Software, Guangzhou University, Guangzhou Guangdong 510006, China;
QI Ke XIE Dongqing. Universal steganalysis for RGB images based on color gradient matrix[J]. Journal of Computer Applications, 2013, 33(10): 2868-2870.