Structurally regular integer discrete cosine transform for low-bit-word-length coefficients.
Taizo SuzukiMasaaki IkeharaPublished in: ISCAS (2010)
Keyphrases
- discrete cosine transform
- image compression
- transform domain
- dct coefficients
- lapped transforms
- dc coefficients
- filter bank
- block dct
- jpeg images
- compressed images
- image blocks
- dct domain
- blocking artifacts
- spatial domain
- discrete fourier transform
- pattern recognition
- image coding
- basis functions
- subband
- fast fourier transform
- image segmentation