A new quality assessment and improvement system for print media

EURASIP Journal on Advances in Signal Processing

Table 2 Performance of sharpness measures using the CSIQ database

Metrics	Dataset	CC	SROCC	Mean CC	Mean SROCC	Complexity (s/img)
PSNR	Gaussian blur JPEG2000	0.824 0.849	0.862 0.894	0.836	0.878	0.004
SSIM [31]	Gaussian blur JPEG2000	0.850 0.878	0.925 0.921	0.864	0.923	0.083
JNB [37]	Gaussian blur JPEG2000	0.588 0.769	0.717 0.776	0.679	0.746	1.447
CPBD [39]	Gaussian blur JPEG2000	0.830 0.862	0.885 0.853	0.846	0.869	1.479
CPBD_r	Gaussian blur JPEG2000	0.830 0.866	0.881 0.856	0.848	0.869	1.434
LGS	Gaussian blur JPEG2000	0.887 0.836	0.872 0.825	0.861	0.849	0.459