中文摘要：

隐写术和 steganalysis 的一些代表性的技术的简短调查被介绍。在作者鈥 ? 实验室开发的各种各样的方法被介绍，包括对称的 LSB 嵌入，在 JPEG 的安全隐写术，调色板，和未压缩的颜色图象，基于直方图的分析和最少的直方图反常隐写术，多重底的记号的系统基于嵌入，与错误修正综合的编码 stego，等等。一些建议途径提供全面改进，当其它在某些方面与优点把选择提供给存在技术时。用排版工具 TeX 躲在文本的数据也被介绍，与对一种最近发达的技术的简短描述。当前的研究话题和未来计划被构画出。讨论在静止图象主要集中于 steganography/steganalysis。关键词隐写术 - steganalysis - 信息躲 - 秘密通讯 - 中国(资助 No.60372090 ) 的国家自然科学基础支持的安全工程，为基本研究(资助号码 04JC14037 ) 的上海自治市的关键工程，和上海领先的大学教师惩罚工程(资助 No.T0102 )

英文摘要：

A brief survey of some representative techniques of steganography and steganalysis is presented. Various methods developed in the authors＇ laboratory are introduced, including symmetric LSB embedding, secure steganography in JPEG, palette, and uncompressed color images, histogram-based analysis and least histogram abnormality steganography, multiple-base notational system based embedding, stego-encoding integrated with error correction, etc. Some of the proposed approaches provide overall improvement, while others offer alternatives to existing techniques with advantage in certain aspects. Data hiding in text using the typesetting tool TeX is also introduced, with a brief description of a recently developed technique. Current research topics and the future plan are outlined. The discussion is focused mainly on steganography/steganalysis in still images.