Optical Instruments, Volume. 44, Issue 3, 68(2022)
Spectral reflectance reconstruction based on RGB color information clustering
Figures & Tables(9)
Fig. 1. Average root mean square error of different clustering numbers
Fig. 4. Spectral reflectance reconstruction curve of partial color block
Fig. 5. Color difference comparison of different reconstruction methods
Table 1. Comparison of root mean square error and chromatic aberration of different categories
View tableView in ArticleTable 1. Comparison of root mean square error and chromatic aberration of different categories
评价 类别 1 2 3 4 5 6 7 RMSE 0.0095 0.0257 0.0181 0.0101 0.0143 0.0173 0.0134 ΔE00 0.749 0.904 0.366 0.889 1.216 1.260 0.596
Table 2. Results of different reconstruction methods
View tableView in ArticleTable 2. Results of different reconstruction methods
方法 RMSE ∆E00 GFC/% mean max min mean max min mean max min FCM-BP 0.0149 0.0923 0.0018 0.836 3.758 0.108 99.82 100.00 95.08 BP 0.0188 0.1042 0.0029 1.106 5.481 0.134 99.72 100.00 92.30 FCM-PCA 0.0310 0.1300 0.0054 1.942 7.753 0.151 99.58 99.99 90.81 PCA 0.0518 0.1424 0.0122 4.289 13.193 1.250 98.98 99.97 91.31
Table 3. Comparison of color difference and root mean square error before and after the sixth color block optimization
View tableView in ArticleTable 3. Comparison of color difference and root mean square error before and after the sixth color block optimization
色块 ΔE00 RMSE 优化前 优化后 优化前 优化后 20 0.499 0.390 0.0172 0.0107 40 1.514 0.976 0.0229 0.0295 60 0.290 1.029 0.0044 0.0063 70 0.510 0.747 0.0255 0.0274 100 0.361 0.553 0.0263 0.0255 130 0.514 0.866 0.0195 0.0177 150 0.794 1.040 0.0125 0.0078 160 1.365 1.509 0.0145 0.0132 190 0.641 0.775 0.0103 0.0092 200 1.987 2.243 0.0145 0.0132 240 3.024 3.520 0.0143 0.0169 280 2.093 2.602 0.0116 0.0121 320 0.945 0.793 0.0091 0.0073 330 3.325 2.295 0.0205 0.0185 370 3.758 2.783 0.0268 0.0259 1300 1.188 1.070 0.0348 0.0327 1320 0.808 0.729 0.0176 0.0149 1340 0.287 0.143 0.0153 0.0167 1360 0.470 0.624 0.0217 0.0155 1380 0.377 0.802 0.0075 0.0093 1400 1.715 0.697 0.0162 0.0096
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Qingbiao CHENG, Guangyun CHEN, Dawen WANG, Xinting LI, Jie FENG. Spectral reflectance reconstruction based on RGB color information clustering[J]. Optical Instruments, 2022, 44(3): 68
Paper Information
Category: DESIGN AND RESEARCH
Received: Feb. 7, 2022
Accepted: --
Published Online: Jul. 8, 2022
The Author Email: FENG Jie (fengjie_ynnu@126.com)
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