Information Technology-Coding of Moving Pictures and Associated Audio for Digital Storage Media at up to about 1,5 Mbit/s-Part 2 : Video. ISO/IEC 11172-2. 1993
FUJIYOSHI, M. A data hiding method for indexing JPEG-coded images and theoretical analyses of image-quality. Proc. 2004 International Technical Conference on Circuits/Systems, Computers and Communications, Matsushima, Japan, July. 2004