# Quality Assessment of HDR/WCG Images Using HDR Uniform Color Spaces
## Appendix B Performance Indexes
\begin{table}
\begin{tabular}{l c c c c c} \hline \hline
**Quality Metric** & **4 Kdtb** & **HDdtb** & **[PERSON] et al.** & **[PERSON] et al.** & **[PERSON] et al.** \\ \hline \(\overline{\Delta\text{E}}_{HDR\text{-}Lab_{100}}\) & 0.4807 & 0.2578 & 0.6490 & 0.7523 & 0.6394 \\ \(\overline{\Delta\text{E}}_{HDR\text{-}Lab_{1000}}\) & 0.2123 & 0.2418 & 0.6179 & 0.6945 & 0.5259 \\ \(\overline{\Delta\text{E}}_{ICCp}\) & 0.6846 & 0.3401 & 0.6218 & 0.8448 & 0.7599 \\ \(\overline{\Delta\text{E}}_{J_{n}a_{k}b_{k}}\) & 0.3008 & 0.2994 & 0.6339 & 0.6694 & 0.5602 \\ \(\overline{\Delta\text{E}}_{XYZ}\) & 0.0739 & 0.3949 & 0.3896 & 0.6850 & 0.4436 \\ \(\overline{\Delta\text{E}}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.1549 & 0.3992 & 0.4377 & 0.7297 & 0.4999 \\ \hline \(\overline{\Delta\text{E}}^{\text{E}}_{HDR\text{-}Lab_{100}}\) & 0.7827 & 0.2784 & 0.7181 & 0.8508 & 0.7559 \\ \(\overline{\Delta\text{E}}^{\text{E}}_{HDR\text{-}Lab_{1000}}\) & 0.4898 & 0.2585 & 0.6207 & 0.8524 & 0.6851 \\ \(\overline{\Delta\text{E}}^{\text{E}}_{J_{n}a_{k}b_{k}}\) & 0.6396 & 0.2804 & 0.5855 & 0.8771 & 0.7283 \\ \(\overline{\Delta\text{E}}^{\text{E}}_{XYZ}\) & 0.1706 & 0.3651 & 0.3911 & 0.8130 & 0.5665 \\ \(\overline{\Delta\text{E}}^{\text{E}}{}^{\text{E}}_{Y^{\prime}C^{\prime}C^{ \prime}C^{\prime}}\) & 0.2392 & 0.3485 & 0.3927 & 0.8674 & 0.6365 \\ \hline SSIM\({}_{HDDR\text{-}Lab_{100}}\) & 0.5184 & 0.7085 & 0.7212 & 0.8873 & 0.7535 \\ SSIM\({}_{HDDR\text{-}Lab_{1000}}\) & 0.2991 & 0.6641 & 0.7643 & 0.8943 & 0.6047 \\ SSIM\({}_{ICICP}\) & 0.7437 & 0.7748 & 0.7273 & 0.9174 & 0.8545 \\ SSIM\({}_{J_{n}a_{k}b_{k}}\) & 0.5059 & 0.7134 & 0.7926 & 0.8943 & 0.6740 \\ SSIM\({}_{XYZ}\) & 0.1785 & 0.6325 & 0.6064 & 0.7670 & 0.5065 \\ SSIM\({}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.2259 & 0.6393 & 0.7044 & 0.8392 & 0.5443 \\ \hline CSSIM\({}_{HDDR\text{-}Lab_{100}}\) & 0.7972 & 0.4065 & 0.7605 & 0.8981 & 0.7834 \\ CSSIM\({}_{HDR\text{-}Lab_{1000}}\) & 0.5369 & 0.3257 & 0.6322 & 0.8857 & 0.6813 \\ CSSIM\({}_{ICICP}\) & 0.7712 & 0.4696 & 0.7212 & 0.9173 & 0.8464 \\ CSSIM\({}_{J_{n}a_{k}b_{k}}\) & 0.6730 & 0.4242 & 0.6181 & 0.9197 & 0.7037 \\ CSSIM\({}_{XYZ}\) & 0.1717 & 0.3592 & 0.3054 & 0.7713 & 0.4995 \\ CSSIM\({}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.2657 & 0.4307 & 0.3830 & 0.8805 & 0.5805 \\ \hline FSIM\({}_{HDDR\text{-}Lab_{100}}\) & 0.8510 & 0.8531 & 0.8548 & 0.9332 & 0.9068 \\ FSIM\({}_{HDDR\text{-}Lab_{1000}}\) & 0.6835 & 0.8560 & 0.8196 & 0.9575 & 0.9025 \\ FSIM\({}_{ICICCp}\) & 0.9127 & 0.7892 & 0.8585 & 0.9449 & 0.8852 \\ FSIM\({}_{I_{n}a_{k}b_{k}}\) & 0.8371 & 0.9065 & 0.8485 & 0.9657 & 0.9046 \\ FSIM\({}_{XYZ}\) & 0.5784 & 0.7483 & 0.6376 & 0.8999 & 0.7413 \\ FSIM\({}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.6799 & 0.7966 & 0.7512 & 0.9500 & 0.8196 \\ \hline PSNR\({}_{H\text{MAC}}\)\({}_{HDDR\text{-}Lab_{100}}\) & 0.5533 & 0.4042 & 0.6592 & 0.7664 & 0.7337 \\ PSNR\({}_{H\text{MAC}}\)\({}_{HDDR\text{-}Lab_{1000}}\) & 0.3534 & 0.3394 & 0.7138 & 0.7446 & 0.6589 \\ PSNR\({}_{H\text{MAC}}\)\({}_{ICICCp}\) & 0.7618 & 0.6373 & 0.7585 & 0.8638 & 0.8418 \\ PSNR\({}_{J_{n}a_{k}b_{k}}\) & 0.4893 & 0.4293 & 0.7065 & 0.8287 & 0.7301 \\ PSNR\({}_{H\text{MAC}}\)\({}_{XYZ}\) & 0.2282 & 0.5431 & 0.5565 & 0.8455 & 0.6315 \\ PSNR\({}_{H\text{MAC}}\)\({}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.3443 & 0.5669 & 0.6851 & 0.9025 & 0.7486 \\ \hline \hline \end{tabular}
\end{table} 
Table 14: SROCC of the different color quality metrics on the considered databases.