Modeling and validation of a psychovisually based image quality evaluator for DCT-based compression.
Ruby Wai-Shan ChanPeter GoldsmithPublished in: Signal Process. Image Commun. (2002)
Keyphrases
- image quality
- compression ratio
- image compression
- lossy compression
- perceptual quality
- visual quality
- compression rate
- reconstructed image
- blocking artifacts
- image resolution
- compression scheme
- compression artifacts
- high quality
- image data
- image quality measures
- image fidelity
- high compression ratio
- data compression
- low bit rate
- model validation
- human visual system
- quality prediction
- motion compensated
- image quality assessment
- bits per pixel
- compression algorithm
- standard test images
- high image quality
- discrete cosine transform
- quality assessment
- video coding
- vector quantization
- bit rate
- compressed images
- mpeg video
- quality metrics
- spatial domain
- subband