Pruning tree-structured vector quantizer towards low bit rate mobile visual search.
Jie ChenLing-Yu DuanRongrong JiWen GaoPublished in: ICASSP (2012)
Keyphrases
- vector quantizer
- low bit rate
- pruning algorithm
- vector quantization
- image compression
- image coding
- bit rate
- entropy constrained
- video compression
- wavelet transform
- visual quality
- image quality
- compression algorithm
- coding method
- finite state
- video conferencing
- reconstructed image
- compression ratio
- image processing
- video coding
- subband
- rate distortion
- bitstream
- variable length
- probabilistic model
- high frequency
- n gram
- motion estimation
- multiresolution
- similarity measure
- feature selection