Multimedia data authentication in wavelet domain

Jinwei Wang; Shiguo Lian; Zhongxuan Liu; Ren Zhen; Yuewei Dai

doi:10.1117/12.667206

17 April 2006 Multimedia data authentication in wavelet domain

Jinwei Wang, Shiguo Lian, Zhongxuan Liu, Ren Zhen, Yuewei Dai

Proceedings Volume 6247, Independent Component Analyses, Wavelets, Unsupervised Smart Sensors, and Neural Networks IV; 62470X (2006) https://doi.org/10.1117/12.667206
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

With the wide application of multimedia data, multimedia content protection becomes urgent. Till now, various means have been reported, which can be classified into several types according to their functionalities, such as data encryption, digital watermarking or data authentication. They are used to protect multimedia data's confidentiality, ownership and integrity, respectively. For multimedia data authentication, some approaches have been proposed. In this paper, a wavelet-based multi-feature semi-fragile authentication scheme is proposed. According to the approximation component and the energy relationship between the subbands of the detail component, global feature and local feature are both generated. Then, the global watermark and local watermark are generated from global feature and local feature, respectively. The watermarks are then embedded into the multimedia data themselves in the wavelet domain. Both the feature extraction and embedding processes are controlled by secret keys to improve the security of the proposed scheme. In the receiver end, the extracted watermark and the one generated from the received image are compared to determine the tampered location. A new authentication method is designed and it is proved valid in the experiments. This authentication scheme is robust to general compression, sensitive to cutting, pasting or modification, efficient in real-time operation, and secure for practical applications.

Citation Download Citation

Jinwei Wang, Shiguo Lian, Zhongxuan Liu, Ren Zhen, and Yuewei Dai "Multimedia data authentication in wavelet domain", Proc. SPIE 6247, Independent Component Analyses, Wavelets, Unsupervised Smart Sensors, and Neural Networks IV, 62470X (17 April 2006); https://doi.org/10.1117/12.667206

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