Sub-band Vector Quantized Variational AutoEncoder for Spectral Envelope Quantization.
Tanasan SrikotrKazunori ManoPublished in: TENCON (2019)
Keyphrases
- subband
- vector quantized
- image compression
- image coder
- progressive transmission
- entropy coding
- vector quantization
- wavelet packet
- filter bank
- transform coefficients
- wavelet transform
- multiresolution
- distortion measure
- wavelet coefficients
- wavelet decomposition
- discrete wavelet transform
- bit rate
- frequency domain
- compression scheme
- high frequency
- compression algorithm
- transform coding
- image coding
- reconstructed image
- wavelet domain
- locally adaptive
- low bit rate
- image processing
- feature vectors
- image segmentation
- low frequency
- compression ratio
- lossless compression
- reconstruction error
- block coding
- optical flow
- discrete cosine transform
- vector quantizer
- color images
- color quantization
- feature space
- face recognition