The application of symmetric orthogonal multiwavelets and prefilter technique for image compression
Multimedia Tools and Applications
IEEE Transactions on Signal Processing
Integer fast Fourier transform
IEEE Transactions on Signal Processing
M-channel compactly supported biorthogonal cosine-modulated waveletbases
IEEE Transactions on Signal Processing
Matrix factorizations for reversible integer mapping
IEEE Transactions on Signal Processing
M-band biorthogonal interpolating wavelets via lifting scheme
IEEE Transactions on Signal Processing
M-band compactly supported orthogonal symmetric interpolatingscaling functions
IEEE Transactions on Signal Processing
Standard compatible extension of H.263 for robust video transmission in mobile environments
IEEE Transactions on Circuits and Systems for Video Technology
Packed integer wavelet transform constructed by lifting scheme
IEEE Transactions on Circuits and Systems for Video Technology
Overview of fine granularity scalability in MPEG-4 video standard
IEEE Transactions on Circuits and Systems for Video Technology
Overview of the H.264/AVC video coding standard
IEEE Transactions on Circuits and Systems for Video Technology
Rate-constrained coder control and comparison of video coding standards
IEEE Transactions on Circuits and Systems for Video Technology
Lifting-Based Directional DCT-Like Transform for Image Coding
IEEE Transactions on Circuits and Systems for Video Technology
The Technique of Prescaled Integer Transform: Concept, Design and Applications
IEEE Transactions on Circuits and Systems for Video Technology
Intensity Gradient Technique for Efficient Intra-Prediction in H.264/AVC
IEEE Transactions on Circuits and Systems for Video Technology
Improved Conversion From DCT Blocks to Integer Cosine Transform Blocks in H.264/AVC
IEEE Transactions on Circuits and Systems for Video Technology
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In H.264/AVC, discrete cosine transform (DCT) is performed on the residual blocks after prediction. However, the mismatch between variable block sizes and the fixed transform matrix not only degrades decorrelation performance but also causes severe blocky artifacts inside the blocks. In previous work, M-channel filter bank system (MCFBS) was proposed to overcome these defects. However, the increased percentage of encoding time by using MCFBS is very high, especially for intra coding. More seriously, the constructed M-channel filter bank with floating-point coefficients is an obstacle to hardware implementation. In this work, a hybrid M-channel Filter bank and DCT (HMD) framework is proposed for intra coding. Besides, the integer transform of a newly constructed M-channel filter bank is also implemented for HMD. Experimental results demonstrate that HMD can reduce 64---69% of the complexity of MCFBS with negligible quality degradation.