Image vector quantizer based on a classification in the DCT domain.
Dong Sik KimSang Uk LeePublished in: IEEE Trans. Commun. (1991)
Keyphrases
- image classification
- vector quantizer
- dct domain
- input image
- low pass filtering
- spatial domain
- quantization step
- image retrieval
- image resizing
- image data
- multiscale
- image representation
- reference frame
- jpeg compressed images
- image blocks
- low frequency
- image coding
- vector quantization
- post processing
- image segmentation
- transform domain
- pattern recognition
- test images
- feature space
- feature extraction
- discrete cosine transform
- compressed domain
- high resolution
- feature vectors
- natural images
- dct coefficients
- image compression
- compressed images