Unified selectable fixed-coefficient recursive structures for computing DCT, IMDCT and subband synthesis filtering.
Zhan-Yuan ChengChe-Hong ChenBin-Da LiuJar-Ferr YangPublished in: ISCAS (3) (2004)
Keyphrases
- subband
- image compression
- filter bank
- wavelet coding
- wavelet transform
- transform coefficients
- bit rate
- multiresolution
- discrete cosine transform
- high pass
- wavelet transform coefficients
- frequency domain
- bandpass
- wavelet coefficients
- high frequency
- feature vectors
- wavelet domain
- low pass
- wavelet decomposition
- discrete wavelet transform
- adaptive quantization
- subband coding
- low bit rate
- locally adaptive
- wavelet packet
- finite impulse response
- perfect reconstruction
- image coder
- spatial domain
- rate distortion
- low frequency
- subband decomposition
- frequency band
- coding gain
- wavelet subbands
- image coding
- compressed images
- reconstruction error
- lattice vector quantization
- bit allocation
- dct coefficients
- lossless compression
- reconstructed image
- compression ratio
- entropy coding
- blocking artifacts
- video coding
- motion vectors
- multiscale
- feature extraction
- face recognition
- image processing