DCT quantization noise in compressed images.
Mark A. RobertsonRobert L. StevensonPublished in: ICIP (1) (2001)
Keyphrases
- compressed images
- quantization noise
- blocking artifacts
- discrete cosine transform
- coded images
- image compression
- visual quality
- dct domain
- dct coefficients
- ringing artifacts
- reconstructed image
- compression ratio
- bitstream
- peak signal to noise ratio
- image quality
- compressed domain
- low bit rate
- transform domain
- post processing
- jpeg images
- human visual system
- quality assessment
- quadtree
- filter bank
- multiresolution