关键词: 多媒体信息安全, 信息隐藏和信息隐藏分析, 数字水印, 多媒体取证, 感知哈希, 多媒体隐私

Abstract: In the information and network era, multimedia is confronted with severe information security risks, though it has provided great audio and visual enjoyments to people for last few decades. In view of the typical research areas of multimedia information security, including steganography and steganalysis, digital watermarking, multimedia forensics, perceptual hash and multimedia content privacy, this paper firstly expounds the background of specific problems and explains the typical concept. Based on the analysis of the previous works, the potential problems and challenges in the future are summarized and discussed separately. Finally, this paper draws the conclusion and shows the prospect of multimedia information security.

Key words: Multimedia Information Security, Steganography and Steganalysis, Digital Watermarking, Multimedia Forensics, Perceptual Hash, Multimedia Privacy