Rate-distortion optimization of the image compression algorithm based on the warped discrete cosine transform.
Il Koo KimNam Ik ChoSanjit K. MitraPublished in: Signal Process. (2003)
Keyphrases
- jpeg images
- compression algorithm
- discrete cosine transform
- image compression
- input image
- image blocks
- blocking artifacts
- image data
- compression ratio
- dct coefficients
- image segmentation
- image representation
- multiscale
- bit allocation
- lossy compression
- transform domain
- low bit rate
- compressed images
- image processing
- error resilient
- test images
- high frequency
- bit rate
- rate control
- coding method
- wavelet transform
- high resolution