Keyphrases
- discrete cosine transform
- image compression
- dct coefficients
- transform domain
- compressed images
- jpeg images
- filter bank
- coded images
- blocking artifacts
- dct domain
- lapped transforms
- image blocks
- compression ratio
- discrete fourier transform
- subband
- preprocessing
- machine learning
- projections onto convex sets
- image reconstruction
- post processing
- wavelet transform
- similarity measure