基于离散Tchebichef矩和软决策量化的图像压缩 (Image Compression Based on Discrete Tchebichef Moments and Soft Decision Quantization).
Gang LuBin XiaoGuoyin WangPublished in: 计算机科学 (2016)
Keyphrases
- tchebichef moments
- soft decision
- image compression
- subband decomposition
- image recognition
- normalization method
- quantization scheme
- vector quantization
- compression scheme
- subband
- zernike moments
- image coder
- transform coding
- wavelet transform
- affine invariant
- low bit rate
- compression algorithm
- image processing
- compression ratio
- reconstructed image
- compressed images
- discrete cosine transform
- fourier descriptors
- bit allocation
- wavelet coefficients
- quantization error
- transform coefficients
- high frequency
- low frequency
- frequency band
- shape descriptors
- orthogonal moments
- wavelet packet
- moment invariants
- discrete wavelet transform
- multiresolution