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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/110073


    Title: Reversible Data Hiding Based on Improved Multilevel Histogram Modification of Pixel Differences
    Authors: Hung, Kuo-Ming;Hsieh, Ching-Tang;Chen, Ting-Wen;Chen, Li-Ming
    Keywords: reversible data hiding;watermarking;multilevel histogram modification
    Date: 2016-12-01
    Issue Date: 2017-03-23 02:10:17 (UTC+8)
    Publisher: 淡江大學
    Abstract: 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.
    Relation: Journal of Applied Science and Engineering 19(4), pp.489-496
    DOI: 10.6180/jase.2016.19.4.12
    Appears in Collections:[電機工程學系暨研究所] 期刊論文

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