文章基本信息

标题：Secure Spread-Spectrum Watermarking for Telemedicine Applications
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作者：Basant Kumar ; Harsh Vikram Singh ; Surya Pal Singh 等
期刊名称：Journal of Information Security
印刷版ISSN：2153-1234
电子版ISSN：2153-1242
出版年度：2011
卷号：2
期号：2
页码：91-98
DOI：10.4236/jis.2011.22009
出版社：Scientific Research Publishing
摘要：This paper presents a secure spread-spectrum watermarking algorithm for digital images in discrete wavelet transform (DWT) domain. The algorithm is applied for embedding watermarks like patient identification /source identification or doctors signature in binary image format into host digital radiological image for potential telemedicine applications. Performance of the algorithm is analysed by varying the gain factor, subband decomposition levels, size of watermark, wavelet filters and medical image modalities. Simulation results show that the proposed method achieves higher security and robustness against various attacks.
关键词：Watermarking; Spread-Spectrum; Discrete Wavelet Transform; Telemedicine