No-reference image quality assessment for compressed images based on DCT coefficient distribution and PSNR estimation.
Zhengyou WangWan WangZhenxing LiJin WangWeisi LinPublished in: APSIPA (2012)
Keyphrases
- compressed images
- image quality measures
- image quality assessment
- visual quality
- image quality
- peak signal to noise ratio
- blocking artifacts
- natural scene statistics
- human visual system
- image compression
- reconstructed image
- subjective quality
- compression ratio
- bit rate
- quality assessment
- quality metrics
- structural similarity index
- structural similarity
- reduced reference
- high frequency
- image database
- dct domain
- compressed domain
- correlation coefficient
- image quality metrics
- low bit rate
- visual perception
- high quality
- discrete cosine transform
- bitstream
- image reconstruction
- video quality
- image data
- frequency domain
- computational complexity
- motion vectors
- multiscale