Low bit-rate multi stage vector quantization based on energy clustered training set.
R. KrishnamoorthyR. PunidhaPublished in: Multim. Tools Appl. (2014)
Keyphrases
- multistage
- vector quantization
- low bit rate
- image compression
- training set
- video coding scheme
- compression algorithm
- wavelet transform
- vector quantizer
- compression ratio
- dynamic programming
- bit rate
- reconstructed image
- subband
- transform coding
- bit allocation
- distortion measure
- image processing
- supervised learning
- video compression
- image quality
- image coder
- compressed images
- visual quality
- video conferencing
- test images
- motion vectors
- feature space
- video sequences
- reinforcement learning