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Authors: Hyun-Wu Jo ; Dong-Gyu Yeo and Hae-Yeoun Lee

Affiliation: Kumoh National Institute of Technology, Korea, Republic of

Keyword(s): Image Authentication, JPEG Compression, Reversible Watermark, DCT Coefficient.

Related Ontology Subjects/Areas/Topics: Applications and Services ; Computer Vision, Visualization and Computer Graphics ; Image and Video Coding and Compression ; Image Formation and Preprocessing ; Media Watermarking and Security

Abstract: In these days, with increasing the importance of multimedia security, various multimedia security techniques are studied. In this paper, we propose a content authentication algorithm based on reversible watermarking which supports JPEG compression commonly used for multimedia contents. After splitting image blocks, a specific authentication code for each block is extracted and embedded into the quantized coefficients on JPEG compression which are preserved against lossy processing. At a decoding process, the watermarked JPEG image is authenticated by extracting the embedded code and restored to have the original image quality. To evaluate the performance of the proposed algorithm, we analyzed image quality and compression ratio on various test images. The average PSNR value and compression ratio of the watermarked JPEG image were 33.13dB and 90.65%, respectively, whose difference with the standard JPEG compression were 2.44dB and 1.62%.

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Paper citation in several formats:
Jo, H.; Yeo, D. and Lee, H. (2012). INTEGRITY AUTHENTICATION METHOD FOR JPEG IMAGES USING REVERSIBLE WATERMARKING. In Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP; ISBN 978-989-8565-04-4; ISSN 2184-4321, SciTePress, pages 83-86. DOI: 10.5220/0003826200830086

@conference{visapp12,
author={Hyun{-}Wu Jo. and Dong{-}Gyu Yeo. and Hae{-}Yeoun Lee.},
title={INTEGRITY AUTHENTICATION METHOD FOR JPEG IMAGES USING REVERSIBLE WATERMARKING},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP},
year={2012},
pages={83-86},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003826200830086},
isbn={978-989-8565-04-4},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP
TI - INTEGRITY AUTHENTICATION METHOD FOR JPEG IMAGES USING REVERSIBLE WATERMARKING
SN - 978-989-8565-04-4
IS - 2184-4321
AU - Jo, H.
AU - Yeo, D.
AU - Lee, H.
PY - 2012
SP - 83
EP - 86
DO - 10.5220/0003826200830086
PB - SciTePress