8 February 2017 Color image zero-watermarking based on SVD and visual cryptography in DWT domain
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Proceedings Volume 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016); 102251N (2017) https://doi.org/10.1117/12.2267045
Event: Eighth International Conference on Graphic and Image Processing, 2016, Tokyo, Japan
Abstract
This paper presents a novel robust color image zero-watermarking scheme based on SVD and visual cryptography. We firstly generate the image feature from the SVD of the image blocks, and then employ the visual secret sharing scheme to construct ownership share from the watermark and the image feature. The low frequency component of one level discrete wavelet transform of the color image is partitioned into blocks. Then we propose to use the feature generated from the first singular value of the blocks to construct the master share. When ownership debate occurs, the ownership share is used to extract the watermark. Experimental results show the better performance of the proposed watermarking system in terms of robustness to various attacks, including noise, filtering, JPEG compression and so on, than other visual cryptography based color image watermarking algorithm.
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Xilin Liu, Beijing Chen, Gouenou Coatrieux, Huazhong Shu, "Color image zero-watermarking based on SVD and visual cryptography in DWT domain", Proc. SPIE 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016), 102251N (8 February 2017); doi: 10.1117/12.2267045; https://doi.org/10.1117/12.2267045
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