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23 June 2003 Unequal error protection codes for wavelet video transmission over W-CDMA, AWGN, and Rayleigh fading channels
Minh Hung Le, Ranjith Liyana-Pathirana
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Proceedings Volume 5150, Visual Communications and Image Processing 2003; (2003) https://doi.org/10.1117/12.502663
Event: Visual Communications and Image Processing 2003, 2003, Lugano, Switzerland
Abstract
The unequal error protection (UEP) codes with wavelet-based algorithm for video compression over wide-band code division multiple access (W-CDMA), additive white Gaussian noise (AWGN) and Rayleigh fading channels are analysed. The utilization of Wavelets has come out to be a powerful method for compress video sequence. The wavelet transform compression technique has shown to be more appropriate to high quality video applications, producing better quality output for the compressed frames of video. A spatially scalable video coding framework of MPEG2 in which motion correspondences between successive video frames are exploited in the wavelet transform domain. The basic motivation for our coder is that motion fields are typically smooth that can be efficiently captured through a multiresolutional framework. Wavelet decomposition is applied to video frames and the coefficients at each level are predicted from the coarser level through backward motion compensation. The proposed algorithms of the embedded zero-tree wavelet (EZW) coder and the 2-D wavelet packet transform (2-D WPT) are investigated.
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Minh Hung Le and Ranjith Liyana-Pathirana "Unequal error protection codes for wavelet video transmission over W-CDMA, AWGN, and Rayleigh fading channels", Proc. SPIE 5150, Visual Communications and Image Processing 2003, (23 June 2003); https://doi.org/10.1117/12.502663
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KEYWORDS
Wavelets
Video
Digital filtering
Video compression
Computer programming
Video coding
Discrete wavelet transforms
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