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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 4 — Apr. 1, 2008
  • pp: 251–254

Copyright protection in digital museum based on digital holography and discrete wavelet transform

Zhibin Li, Fei Xia, Gang Zheng, and Junyong Zhang  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 4, pp. 251-254 (2008)

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A new method to protect the copyright of digital museum based on digital holography is proposed. The Fresnel hologram of watermark image is embedded in the object to be protected through discrete wavelet transform (DWT). After the watermark detection, the copyright information appears in the reconstructed hologram. With the higher redundancy feature in the hologram, the proposed technique can actually survive several kinds of image processing. Experimental results prove that the presented method has good robustness in image protection.

© 2008 Chinese Optics Letters

OCIS Codes
(090.1760) Holography : Computer holography
(100.2000) Image processing : Digital image processing
(100.3010) Image processing : Image reconstruction techniques
(100.7410) Image processing : Wavelets

Zhibin Li, Fei Xia, Gang Zheng, and Junyong Zhang, "Copyright protection in digital museum based on digital holography and discrete wavelet transform," Chin. Opt. Lett. 6, 251-254 (2008)

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