Compression of color facial images using feature correction two-stage vector quantization.
Jincheng HuangYao WangPublished in: IEEE Trans. Image Process. (1999)
Keyphrases
- vector quantization
- facial images
- image compression
- vector quantizer
- codebook design
- face recognition
- compression scheme
- human faces
- face detection
- compression ratio
- color images
- facial expressions
- reduced complexity
- compression algorithm
- transform coding
- distortion measure
- color information
- finite state vector quantization
- color space
- wavelet transform
- subband
- image database
- vector quantized
- image features
- fractal image coding
- image processing
- feature vectors
- bit allocation
- image transmission
- multiresolution
- image sequences
- entropy constrained
- three dimensional
- successive approximation
- tree structured vector quantization
- lossless compression
- facial features