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Showing papers by "Xiang Peng published in 2003"


Journal ArticleDOI
TL;DR: An enhanced scheme for temporal unwrapping in order to increase the efficiency of this procedure and a method for the determination of initial condition for this modified recursive scheme are proposed.

61 citations


Journal ArticleDOI
TL;DR: A virtual-optical-imaging scheme (VOIS) as a water marking structure is proposed to embed a watermark into a content image to construct a watermarked image in 3D space.

24 citations


Journal ArticleDOI
01 Jan 2003-Optik
TL;DR: Numerical experiment results show that proposed method is with high sensitivity to parameter discrepancy of virtual optical scheme, and correlation analysis of decrypted audio signal in comparison with original signal is performed to verify the capability of presented virtual optics scheme for audio signal encryption.

14 citations


Journal ArticleDOI
01 Jan 2003-Optik
TL;DR: The method proposed in this paper offers an efficient way of copyright protection of audio signal through a virtual-optical-imaging scheme (VOIS) that does not require the use of original signal for watermark detection.

1 citations


Journal ArticleDOI
01 Jan 2003-Optik
TL;DR: A novel approach of the data reduction and extrapolation for three-dimensional (3-D) digital image is presented based on the methodology of mesh reduction and subdivision extrapolation operated on registered and integrated range images.