Images Tamper Self-Detection and Self-Recovery Using SPIHT Technique

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題名:	Images Tamper Self-Detection and Self-Recovery Using SPIHT Technique
作者:	陳文淵
貢獻者:	電子工程(學)系
日期:	2013-09
上傳時間:	2017-09-28 09:49:05 (UTC+8)
摘要:	This paper presents a high quality image recovery technique as a highly efficient means for image tamper detection and recovery. A region of importance (ROI) in an image is firstly compressed by a set partitioning in hierarchical tree (SPIHT) technique and then embedded into a host image. In this way, the aim of self-detection and selfrecovery for a tampered image can be achieved without extra information. Higher levels of security and secrecy are reached by embedding the image data into the discrete cosine transform (DCT) frequency domain through a nested structure technique. Accordingly, a high quality recovered image is ensured. This proposal is experimentally demonstrated to provide two clear advantages, that is, 1) the aim of a high quality and highly efficient image recovery from a tempered region is reached through an ROI image compression by an SPIHT technique, and 2) a higher level of security is achieved by use of a nested embedding structure. The proposed scheme can be applied to anti-counterfeiting for archives, digital right management, protection of crime scene photos, etc. © 2013 ISSN 1349-4198. (19 refs)
關聯:	International Journal of Innovative Computing, Information & Control
顯示於類別:	[電子工程系(所)] 【電子工程系所】期刊論文

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