Vector quantization in DCT domain using fuzzy possibilistic c-means based on penalized and compensated constraints.
Shao-Han LiuJzau-Sheng LinPublished in: Pattern Recognit. (2002)
Keyphrases
- vector quantization
- possibilistic c means
- dct domain
- image compression
- discrete cosine transform
- possibilistic clustering
- spatial domain
- fuzzy c means
- dct coefficients
- post processing
- transform domain
- fuzzy clustering
- clustering algorithm
- compressed images
- human visual system
- compressed domain
- fuzzy sets
- frequency domain
- digital video
- cluster validity index
- fuzzy logic
- image processing
- high frequency
- low frequency
- image quality
- signal processing
- wavelet transform
- pattern recognition
- multimedia