Identification of Dominant Coefficients in DCT Image Coders using Weighted Vector Quantization.
Luciano Vereda OliveiraAbraham AlcaimPublished in: ICIP (1) (1994)
Keyphrases
- vector quantization
- image compression
- scalar quantization
- image coder
- transform coefficients
- subband
- discrete cosine transform
- image coding
- vector quantizer
- low bit rate
- entropy coding
- wavelet coefficients
- wavelet transform
- reduced complexity
- wavelet coding
- reconstructed image
- compression scheme
- compression algorithm
- wavelet packet
- rate distortion
- filter bank
- progressive transmission
- distortion measure
- compression ratio
- source coding
- lossless compression
- bitstream
- compressed images
- bit allocation
- bit rate
- multiple description coding
- transform domain
- multiscale