Switching between the SA-DCT and the EI-DCT in arbitrarily shaped image coding.
Flávia M. FreitasAbraham AlcaimPublished in: Int. J. Imaging Syst. Technol. (2008)
Keyphrases
- arbitrarily shaped
- sa dct
- discrete cosine transform
- image coding
- filter bank
- lapped transforms
- block dct
- dct coefficients
- image compression
- wavelet transform
- bit plane
- subband
- blocking artifacts
- arbitrary shape
- dct domain
- transform domain
- multiscale
- multiresolution
- signal processing
- image blocks
- high frequency
- data hiding
- video objects
- higher quality
- frequency domain
- computationally efficient
- compressed images
- computer vision
- computational complexity
- clustering algorithm
- image processing