GridSAR: Grid strength and regularity for robust evaluation of blocking artifacts in JPEG images.
Leida LiYu ZhouJinjian WuWeisi LinHaoliang LiPublished in: J. Vis. Commun. Image Represent. (2015)
Keyphrases
- jpeg images
- blocking artifacts
- compressed images
- discrete cosine transform
- dct coefficients
- dct domain
- low bit rate
- block boundaries
- image compression
- image quality
- compression algorithm
- reconstructed image
- post processing
- computationally efficient
- jpeg compression
- transform domain
- digital images
- compressed domain
- higher quality
- feature vectors
- spatial domain
- visual quality
- filter bank
- multiresolution
- image blocks
- natural images