Discrete Directional Wavelet Image Coder Based on Fast R-D Optimized Quadtree Decomposition.
Ping ZuoHui LiuSiliang MaPublished in: ICIC (1) (2007)
Keyphrases
- image coder
- rate distortion
- quadtree decomposition
- image coding
- compression algorithm
- bit rate
- bitstream
- wavelet image coding
- video coding
- image compression
- wavelet coding
- subband
- computational complexity
- wavelet coefficients
- motion estimation
- low bit rate
- bit plane
- embedded zerotree
- natural images
- rate control
- filter bank
- quantization scheme
- wavelet packet
- coding scheme
- video compression
- computer vision
- co occurrence
- video quality
- gray level images
- compressed images
- reconstructed image
- frequency domain
- vector quantization
- color images
- high quality