Keyphrases
- post processing
- image enhancement
- coded images
- dct domain
- preprocessing
- image compression
- image processing
- jpeg image compression
- contrast enhancement
- image analysis
- edge detection
- compression algorithm
- noise removal
- histogram equalization
- reconstructed image
- blocking artifacts
- color image enhancement
- median filter
- compression ratio
- discrete cosine transform
- unsharp masking
- dct coefficients
- low bit rate
- jpeg compression
- data mining process
- machine learning
- image contrast enhancement
- feature extraction
- motion estimation
- post processed
- feature selection
- multiscale
- data mining
- human experts
- filtering method
- transfer function