Image Compression using Adaptive Wavelet Packet and Multistage Vector Quantization.
Sankaralingam EsakkirajanThangaraj VeerakumarN. MalmuruganP. NavaneethanPublished in: ICIIS (2008)
Keyphrases
- vector quantization
- multistage
- wavelet packet
- vector quantizer
- image compression
- subband
- wavelet transform
- dynamic programming
- denoising
- filter bank
- residual vector quantization
- entropy constrained
- wavelet decomposition
- image coding
- distortion measure
- low bit rate
- codebook design
- tree structured vector quantization
- neural network
- finite state vector quantization
- optimal policy
- quadtree
- frequency domain
- high quality
- feature extraction
- machine learning