淡江大學機構典藏:Item 987654321/46133
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/46133


    Title: Digital Image Multiresolution Watermark Based on Human Visual System Using Error Correcting Code
    Authors: 謝景棠;Hsieh, Ching-tang;Wu, Yeh-kuang
    Contributors: 淡江大學電機工程學系
    Keywords: DWT;Watermark;HVS;Error-correcting Code;BCH
    Date: 2001-01
    Issue Date: 2010-03-26 21:02:21 (UTC+8)
    Publisher: 淡江大學
    Abstract: Digital watermarking has been proposed as a way to claim protection. In this paper, we try to use the error-correcting code skill, the multiresolution of wavelet transformation, and the human visual system to improve the traditional watermarking. Error-correcting based watermarking will have the property that corrects errors of the extracted watermark automatically. The HVS (Human Visual System) model will be presented to investigate perceptually characteristic parts of human (e.g. intensity or hue) and how to insert the watermark into the original data, where the perceptual sensitivity of human is relatively low. A multiresolution watermarking based on the wavelet transformation is selected in each frequency band of the Discrete Wavelet Transform (DWT) domain and therefore it can resist the destruction of image processing. In our experiments, the results show that the robustness of a watermark with ECC (Error Correct Coding) is much better than the traditional one without ECC.
    Relation: Tamkang journal of science and engineering 4(3), pp.201-208
    DOI: 10.6180/jase.2001.4.3.07
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Journal Article

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