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    题名: Reversible Data Hiding Based on Improved Multilevel Histogram Modification of Pixel Differences
    作者: Hung, Kuo-Ming;Hsieh, Ching-Tang;Chen, Ting-Wen;Chen, Li-Ming
    关键词: reversible data hiding;watermarking;multilevel histogram modification
    日期: 2016-12-01
    上传时间: 2017-03-23 02:10:17 (UTC+8)
    出版者: 淡江大學
    摘要: The technique of reversible data hiding recovers the original image without distortion from a stego-image after the hidden data have been extracted. In this paper, we modify Zhao et al.’s method to propose a reversible data hiding algorithm based on improved histogram modification of pixel differences. Experimental results show that our proposed scheme uses improved multilevel histogram modification of pixel differences to achieve large hiding capacity and keep distortion low. We also adopt a histogram shifting technique to prevent overflow and underflow. Performance comparisons with other existing schemes are provided to demonstrate the superiority of the proposed scheme.
    關聯: Journal of Applied Science and Engineering 19(4), pp.489-496
    DOI: 10.6180/jase.2016.19.4.12
    显示于类别:[電機工程學系暨研究所] 期刊論文


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