S-transform based on analytic discrete cosine transform for time-frequency analysis.
S. RoopaS. V. NarasimhanPublished in: Signal Process. (2014)
Keyphrases
- discrete cosine transform
- image compression
- dct coefficients
- filter bank
- transform domain
- dct domain
- non stationary
- jpeg images
- blocking artifacts
- image blocks
- compressed images
- coded images
- lapped transforms
- image and video coding
- projection onto convex sets
- projections onto convex sets
- image processing
- image reconstruction
- super resolution
- digital images
- computational complexity
- pattern recognition