A novel fractional-discrete-cosine-transform-based reversible watermarking for healthcare information management systems

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題名:	A novel fractional-discrete-cosine-transform-based reversible watermarking for healthcare information management systems
作者:	陳竹一;Scalia, Massimo;Shieh, Yaw-Shih;Chen, Jwu-E.;Ko, Lu-Ting;Sung, Tze-Yun
貢獻者:	資訊電機學院電機工程學系
日期:	2012-03-16
上傳時間:	2026-04-23 13:21:03 (UTC+8)
出版者:	Hindawi Publishing Corporation;Cairo, Egypt: Hindawi Limiteds
摘要:	摘要： Digital watermarking is a good tool for healthcare information management systems. The well-known quantization-index-modulation- (QIM-) based watermarking has its limitations as the host image will be destroyed; however, the recovery of medical image is essential to avoid misdiagnosis. A transparent yet reversible watermarking algorithm is required for medical image applications. In this paper, we propose a fractional-discrete-cosine-transform- (FDCT-) based watermarking to exactly reconstruct the host image. Experimental results show that the FDCT-based watermarking is preferable to the QIM-based watermarking for the medical image applications. 出版者： Cairo, Egypt: Hindawi Limiteds 出版日期： 2012 出處： Mathematical Problems in Engineering, 2012, Vol.2012 (2012), p.416-432-525 資源來源： Chinese Electronic Periodical Services (CEPS) 版權： Copyright © 2012 Lu-Ting Ko et al. 識別號： ISSN: 1024-123X 識別號： ISSN: 1026-7077 識別號： ISSN: 1563-5147 識別號： EISSN: 1563-5147 識別號： DOI: 10.1155/2012/757018
顯示於類別:	[電機工程學系] 期刊論文

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