Keyphrases
- coded images
- cosine transform
- low bit rate
- compression algorithm
- error concealment
- post processing
- visual quality
- discrete cosine transform
- image compression
- dynamic range
- image encryption
- blocking artifacts
- data compression
- image quality
- transform coding
- image blocks
- dct coefficients
- multiresolution
- high quality
- compressed data
- preprocessing
- quadtree
- digital images
- multiscale