Fast 2D discrete cosine transform on compressed image in restricted quadtree and shading format.
Kuo-Liang ChungWen-Ming YanPublished in: Inf. Process. Lett. (2002)
Keyphrases
- quadtree
- compressed images
- multiresolution
- image compression
- data structure
- tree structure
- visual quality
- image representation
- compression ratio
- blocking effect
- bitstream
- inter frame
- reconstructed image
- discrete cosine transform
- peak signal to noise ratio
- jpeg images
- metadata
- compressed domain
- lossless compression
- blocking artifacts
- multiscale
- subband
- dct domain
- multimedia
- image coder