# 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 \(\overline{\Delta\text{E}}_{HDR\text{-}Lab_{100}}\) & 0.4582 & 0.2502 & 0.6407 & 0.7629 & 0.6012 \\ \(\overline{\Delta\text{E}}_{HDR\text{-}Lab_{1000}}\) & 0.2280 & 0.2559 & 0.6106 & 0.7024 & 0.5133 \\ \(\overline{\Delta\text{E}}_{ICCp}\) & 0.6783 & 0.2548 & 0.6277 & 0.8065 & 0.7508 \\ \(\overline{\Delta\text{E}}_{J_{n}a_{k}b_{k}}\) & 0.4058 & 0.2952 & 0.6436 & 0.5536 & 0.5392 \\ \(\overline{\Delta\text{E}}_{XYZ}\) & 0.2184 & 0.3438 & 0.3375 & 0.5993 & 0.3564 \\ \(\overline{\Delta\text{E}}_{Y^{\prime}C^{\prime}C^{\prime}}\) & 0.2336 & 0.3083 & 0.3220 & 0.6873 & 0.4287 \\ \hline \(\overline{\Delta\text{E}}^{\text{S}}_{HDR\text{-}Lab_{100}}\) & 0.7513 & 0.1135 & 0.6686 & 0.7334 & 0.7464 \\ \(\overline{\Delta\text{E}}^{\text{S}}_{HDR\text{-}Lab_{1000}}\) & 0.4662 & 0.1027 & 0.5763 & 0.7470 & 0.6723 \\ \(\overline{\Delta\text{E}}^{\text{S}}_{ICCp}\) & 0.7885 & 0.1355 & 0.5541 & 0.7639 & 0.7655 \\ \(\overline{\Delta\text{E}}^{\text{S}}_{J_{n}a_{k}b_{k}}\) & 0.6103 & 0.1331 & 0.5520 & 0.7556 & 0.6980 \\ \(\overline{\Delta\text{E}}^{\text{S}}_{XYZ}\) & 0.2748 & 0.2698 & 0.2761 & 0.7152 & 0.4372 \\ \(\overline{\Delta\text{E}}^{\text{S}}_{Y^{\prime}C^{\prime}C^{\prime}C^{ \prime}}\) & 0.3093 & 0.2047 & 0.2527 & 0.7250 & 0.6325 \\ \hline SSIM\({}_{HDR\text{-}Lab_{100}}\) & 0.5246 & 0.7050 & 0.7485 & 0.8845 & 0.7126 \\ SSIM\({}_{HDR\text{-}Lab_{1000}}\) & 0.3120 & 0.6618 & 0.7886 & 0.8664 & 0.5507 \\ SSIM\({}_{ICICP}\) & 0.7376 & 0.7764 & 0.7505 & 0.9176 & 0.8275 \\ SSIM\({}_{J_{n}a_{k}b_{k}}\) & 0.5108 & 0.6842 & 0.8153 & 0.8914 & 0.6253 \\ SSIM\({}_{XYZ}\) & 0.2596 & 0.6020 & 0.6292 & 0.7713 & 0.4811 \\ SSIM\({}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.2851 & 0.6187 & 0.7471 & 0.8354 & 0.5185 \\ \hline CSSIM\({}_{HDR\text{-}Lab_{100}}\) & 0.7991 & 0.5193 & 0.7784 & 0.8929 & 0.7762 \\ CSSIM\({}_{HDR\text{-}Lab_{1000}}\) & 0.5440 & 0.4249 & 0.6696 & 0.8828 & 0.6644 \\ CSSIM\({}_{ICICp}\) & 0.7699 & 0.5137 & 0.7354 & 0.9152 & 0.8372 \\ CSSIM\({}_{J_{n}a_{k}b_{k}}\) & 0.6812 & 0.4872 & 0.6180 & 0.9197 & 0.7025 \\ CSSIM\({}_{XYZ}\) & 0.2174 & 0.3671 & 0.4213 & 0.7590 & 0.4856 \\ CSSIM\({}_{Y^{\prime}C^{\prime}C^{\prime}}\)C\({}^{\prime}\) & 0.3065 & 0.4367 & 0.5317 & 0.8788 & 0.5649 \\ \hline FSIM\({}_{HDR\text{-}Lab_{100}}\) & 0.8473 & 0.8598 & 0.8680 & 0.9360 & 0.9131 \\ FSIM\({}_{HDR\text{-}Lab_{1000}}\) & 0.6891 & 0.8654 & 0.8343 & 0.9633 & 0.9055 \\ FSIM\({}_{ICICCp}\) & 0.9080 & 0.8086 & 0.8687 & 0.9453 & 0.8894 \\ FSIM\({}_{J_{n}a_{k}b_{k}}\) & 0.8355 & 0.9162 & 0.8566 & 0.9717 & 0.9092 \\ FSIM\({}_{XYZ}\) & 0.5848 & 0.7337 & 0.6609 & 0.9029 & 0.7415 \\ FSIM\({}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.6783 & 0.7923 & 0.7656 & 0.9541 & 0.8162 \\ \hline PSNR-HMAC\({}_{HDR\text{-}Lab_{100}}\) & 0.5602 & 0.4489 & 0.6744 & 0.7533 & 0.7229 \\ PSNR-HMAC\({}_{HDR\text{-}Lab_{1000}}\) & 0.3573 & 0.3986 & 0.6701 & 0.7275 & 0.6457 \\ PSNR-HMAC\({}_{ICICCp}\) & 0.7540 & 0.6467 & 0.7899 & 0.8608 & 0.8195 \\ PSNR-HMAC\({}_{J_{n}a_{k}b_{k}}\) & 0.4963 & 0.4749 & 0.7319 & 0.8196 & 0.7213 \\ PSNR-HMAC\({}_{XYZ}\) & 0.2057 & 0.5711 & 0.5884 & 0.8328 & 0.6327 \\ PSNR-HMAC\({}_{Y^{\prime}C^{\prime}C^{\prime}C^{\prime}}\) & 0.3580 & 0.6153 & 0.7185 & 0.8942 & 0.7432 \\ \hline \hline \end{tabular}
\end{table} 
Table 1: PCC of the different color quality metrics on the considered databases.