Highly scalable hybrid image coding scheme
Digital Signal Processing
R-D optimized tree-structured compression algorithms with discrete directional wavelet transform
Journal of Computational and Applied Mathematics
A scalable video codec for layered video streaming
Real-Time Imaging
Joint source-channel coding as an element of a QoS framework for '4G' wireless multimedia
Computer Communications
Bandwidth degradation QoS provisioning for adaptive multimedia in wireless/mobile networks
Computer Communications
Fast 3D wavelet transform on multicore and many-core computing platforms
The Journal of Supercomputing
Multimedia Tools and Applications
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We propose a full color video compression strategy, based on 3-D subband coding with camera pan compensation, to generate a single embedded bit stream supporting multiple decoder display formats and a wide, finely gradated range of bit rates. An experimental implementation of our algorithm produces a single bit stream, from which suitable subsets are extracted to be compatible with many decoder frame sizes and frame rates and to satisfy transmission bandwidth constraints ranging from several tens of kilobits per second to several megabits per second. Reconstructed video quality from any of these bit stream subsets is often found to exceed that obtained from an MPEG-1 implementation, operated with equivalent bit rate constraints, in both perceptual quality and mean squared error. In addition, when restricted to 2-D, the algorithm produces some of the best results available in still image compression