A wavelet packet based block-partitioning image coding algorithm with rate-distortion optimization.
Yongming YangChao XuPublished in: Sci. China Ser. F Inf. Sci. (2008)
Keyphrases
- wavelet packet
- scalar quantization
- subband
- image coder
- rate distortion optimization
- bit rate
- filter bank
- transform coefficients
- rate distortion
- image coding
- entropy coding
- intra prediction
- wavelet transform
- coding method
- image compression
- coding efficiency
- video coding
- multiresolution
- intra frame
- wavelet decomposition
- high frequency
- wavelet coefficients
- wavelet domain
- vector quantization
- bit allocation
- feature vectors
- frequency domain
- macroblock
- inter frame
- rate control
- vector quantizer
- bit plane
- denoising
- visual quality
- motion vectors
- error propagation
- bitstream
- motion estimation
- video compression
- video quality
- quadtree
- image processing
- image quality
- multiscale
- low bit rate
- compression algorithm
- motion compensation
- signal processing
- transform coding
- optical flow
- feature extraction