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Three-Dimensional Subband Coding of Video using Wavelet Packet Algorithm  

Chu, Hyung Suk (울산대 공대 전기전자공학부)
An, Chong Koo (울산대 공대 전기전자공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers D / v.54, no.11, 2005 , pp. 673-679 More about this Journal
Abstract
This Paper presents the 3D wavelet transformation based video compression system, which possesses the capability of progressive transmission by increasing resolution and increasing rate for multimedia applications. The 3D wavelet packet based video compression system removes the temporal correlation of the input sequences using the motion compensation filter and decomposes the spatio-temporal subband using the spatial wavelet packet transformation. The proposed system allocates the higher bit rate to the low frequency image of the 3D wavelet sequences and improves the 0.49dB PSNR performance of the reconstructed image in comparison with that of H.263. In addition to the limitation on the propagation of the motion compensation error by the 3D wavelet transformation, the proposed system progressively transmits the input sequence according to the resolution and rate scalability.
Keywords
Video Compression; 3D Wavelet Transform; Quadtree Algorithm; H.263;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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