k-PCA: a semi-universal encoder for image compression.
Chuanfeng LvQiangfu ZhaoPublished in: Int. J. Pervasive Comput. Commun. (2007)
Keyphrases
- image compression
- bit allocation
- principal component analysis
- vector quantization
- principal components analysis
- low bit rate
- wavelet transform
- compression algorithm
- rate distortion
- video codec
- bit rate
- principal components
- reconstructed image
- fractal image compression
- subband
- feature extraction
- compression scheme
- compression ratio
- independent component analysis
- compressed images
- dimensionality reduction
- principle component analysis
- face recognition
- video encoding
- error control
- image processing
- data compression
- dimension reduction
- low complexity
- decoding process
- face images
- entropy coding
- video compression
- low dimensional
- transform coding
- covariance matrix
- progressive transmission
- video sequences
- feature space
- source coding
- high dimensional
- k means
- optical flow
- motion estimation
- discrete cosine transform
- macroblock
- linear discriminant analysis