Laser & Optoelectronics Progress, Volume. 56, Issue 2, 022401(2019)
Scattering Noise Elimination Method for Improving Spectral Matching Accuracy
Figures & Tables(13)
Fig. 2. Photos of mineral lens. (a) Muscovite; (b) graphite; (c) hematite; (d) pyrite; (e) azurite; (f) malachite
Fig. 3. Spectra of mineral. (a) Muscovite; (b) graphite; (c) hematite; (d) pyrite; (e) azurite; (f) malachite
Fig. 4. Standard sample pieces of mural pigments. (a) Orpiment; (b) bright red; (c) chromate; (d) lapis lazuli; (e) azurite; (f) malachite
Fig. 5. Spectra of mural pigments. (a) Orpiment; (b) bright red; (c) chromate; (d) lapis lazuli; (e) azurite; (f) malachite
Fig. 6. Mineral spectra corrected by MSC. (a) Muscovite; (b) graphite; (c) hematite; (d) pyrite; (e) azurite; (f) malachite
Fig. 7. Mineral spectra corrected by ALMSC. (a) Muscovite; (b) graphite; (c) hematite; (d) pyrite; (e) azurite; (f) malachite
Fig. 8. Spectra of mural pigment corrected by MSC. (a) Orpiment; (b) bright red; (c) chromate; (d) lapis lazuli; (e) azurite; (f) malachite
Fig. 9. Spectra of mural pigment corrected by ALMSC. (a) Orpiment; (b) bright red; (c) chromate; (d) lapis lazuli; (e) azurite; (f) malachite
Table 1. Spectral matching results of mineral with full bands
View tableTable 1. Spectral matching results of mineral with full bands
Mineral Method Matching fraction Muscovite 1 Graphite 1 Hematite 1 Pyrite 1 Azurite 1 Malachite 1 Muscovite 2 SAM 0.0988 0.2318 0.2627 0.2062 0.3019 0.3318 MSCSAM 0.0418 0.1993 0.1925 0.2026 0.3604 0.3919 ALMSCSAM 0.0409 0.1984 0.1917 0.2019 0.3600 0.3914 Graphite 2 SAM 0.1753 0.0151 0.2213 0.1379 0.2184 0.2308 MSCSAM 0.2094 0.0145 0.1616 0.1574 0.2888 0.3137 ALMSCSAM 0.2087 0.0089 0.1613 0.1571 0.2883 0.3133 Graphite 3 SAM 0.1865 0.0219 0.2253 0.1432 0.2181 0.2313 MSCSAM 0.2129 0.0154 0.1660 0.1612 0.2927 0.3148 ALMSCSAM 0.2122 0.0113 0.1655 0.1609 0.2923 0.3146 Hematite 2 SAM 0.1161 0.1711 0.1796 0.2190 0.3391 0.3567 MSCSAM 0.1896 0.2398 0.1167 0.2938 0.4485 0.5087 ALMSCSAM 0.1888 0.2395 0.1165 0.2937 0.4482 0.5083 Hematite 3 SAM 0.1215 0.2084 0.2457 0.2526 0.3828 0.3749 MSCSAM 0.3103 0.4137 0.3111 0.4607 0.6300 0.6638 ALMSCSAM 0.3095 0.4133 0.3107 0.4604 0.6296 0.6634 Pyrite 2 SAM 0.1167 0.2062 0.3030 0.2194 0.3763 0.3375 MSCSAM 0.1461 0.2075 0.2310 0.2406 0.4460 0.4226 ALMSCSAM 0.1453 0.2074 0.2309 0.2405 0.4458 0.4224 Pyrite 3 SAM 0.1226 0.2138 0.3022 0.2344 0.3873 0.3495 MSCSAM 0.1516 0.2173 0.2326 0.2567 0.4589 0.4362 ALMSCSAM 0.1509 0.2172 0.2325 0.2567 0.4587 0.4361 Azurite 2 SAM 0.4471 0.3748 0.4664 0.3491 0.1722 0.2373 MSCSAM 0.3805 0.2989 0.3810 0.2731 0.0917 0.1672 ALMSCSAM 0.3801 0.2984 0.3807 0.2727 0.0916 0.1669 Azurite 3 SAM 0.4777 0.4347 0.5355 0.3966 0.2466 0.2717 MSCSAM 0.3824 0.3367 0.4194 0.2994 0.1646 0.1751 ALMSCSAM 0.3837 0.3361 0.4190 0.2989 0.1644 0.1748 Malachite 2 SAM 0.4752 0.4024 0.5638 0.4046 0.2901 0.1859 MSCSAM 0.4093 0.3183 0.4431 0.3291 0.2515 0.0619 ALMSCSAM 0.4088 0.3179 0.4428 0.3288 0.2513 0.0617 Malachite 3 SAM 0.5026 0.4353 0.5982 0.4411 0.3324 0.2256 MSCSAM 0.4124 0.3276 0.4531 0.3441 0.2771 0.0974 ALMSCSAM 0.4119 0.3272 0.4527 0.3437 0.2768 0.0973
Table 2. Spectral matching results of mineral with visible light bands
View tableTable 2. Spectral matching results of mineral with visible light bands
Mineral Method Matching fraction Muscovite 1 Graphite 1 Hematite 1 Pyrite 1 Azurite 1 Malachite 1 Muscovite 2 SAM 0.0556 0.2125 0.3981 0.0692 0.4289 0.5254 MSCSAM 0.0578 0.1675 0.2334 0.0463 0.5311 0.6237 ALMSCSAM 0.0576 0.1669 0.2331 0.0453 0.5309 0.6234 Graphite 2 SAM 0.1697 0.0197 0.5738 0.1737 0.2812 0.3882 MSCSAM 0.2316 0.0195 0.3684 0.1971 0.4257 0.5258 ALMSCSAM 0.2304 0.0082 0.3673 0.1960 0.4258 0.5261 Graphite 3 SAM 0.1873 0.0378 0.5786 0.1927 0.2922 0.3980 MSCSAM 0.2432 0.0312 0.3712 0.2105 0.4348 0.5345 ALMSCSAM 0.2418 0.0260 0.3700 0.2092 0.4348 0.5347 Hematite 2 SAM 0.1282 0.2442 0.3312 0.1491 0.4970 0.5985 MSCSAM 0.2531 0.4219 0.0789 0.2998 0.8116 0.9035 ALMSCSAM 0.2523 0.4210 0.0777 0.2989 0.8112 0.9030 Hematite 3 SAM 0.0936 0.1949 0.3791 0.1170 0.4502 0.5532 MSCSAM 0.3227 0.4881 0.1394 0.3699 0.8784 0.9708 ALMSCSAM 0.3214 0.4870 0.1374 0.3685 0.8777 0.9701 Pyrite 2 SAM 0.0390 0.1869 0.4482 0.0245 0.3834 0.4772 MSCSAM 0.0578 0.1820 0.2547 0.0123 0.5178 0.6066 ALMSCSAM 0.0575 0.1815 0.2545 0.0097 0.5176 0.6063 Pyrite 3 SAM 0.0433 0.1960 0.4368 0.0350 0.3950 0.4887 MSCSAM 0.0452 0.1946 0.2428 0.0146 0.5314 0.6198 ALMSCSAM 0.0448 0.1943 0.2425 0.0120 0.5314 0.6196 Azurite 2 SAM 0.6375 0.5481 1.0772 0.6219 0.2675 0.1661 MSCSAM 0.5420 0.4028 0.7337 0.4948 0.0441 0.1317 ALMSCSAM 0.5417 0.4027 0.7334 0.4948 0.0431 0.1313 Azurite 3 SAM 0.6822 0.5894 1.1189 0.6669 0.3139 0.2171 MSCSAM 0.5670 0.4240 0.7564 0.5200 0.0600 0.1259 ALMSCSAM 0.5667 0.4238 0.7559 0.5198 0.0588 0.1256 Malachite 2 SAM 0.7082 0.6231 1.1437 0.6913 0.3453 0.2418 MSCSAM 0.6338 0.5023 0.8273 0.5864 0.0990 0.0662 ALMSCSAM 0.6334 0.5022 0.8269 0.5861 0.0985 0.0658 Malachite 3 SAM 0.7175 0.5311 1.1512 0.7007 0.3560 0.2550 MSCSAM 0.6206 0.4871 0.8124 0.5731 0.0974 0.0873 ALMSCSAM 0.6201 0.4869 0.8119 0.5728 0.0965 0.0869
Table 3. Spectral matching results of mineral with infrared bands
View tableTable 3. Spectral matching results of mineral with infrared bands
Mineral Method Matching fraction Muscovite 1 Graphite 1 Hematite 1 Pyrite 1 Azurite 1 Malachite 1 Muscovite 2 SAM 0.0987 0.2328 0.2102 0.2185 0.2527 0.2815 MSCSAM 0.0379 0.1975 0.1585 0.2096 0.2824 0.3317 ALMSCSAM 0.0367 0.1965 0.1576 0.2088 0.2794 0.3293 Graphite 2 SAM 0.1617 0.0129 0.1133 0.1316 0.1872 0.1800 MSCSAM 0.1976 0.0135 0.1049 0.1510 0.2368 0.2548 ALMSCSAM 0.1970 0.0088 0.1048 0.1509 0.2344 0.2528 Graphite 3 SAM 0.1718 0.0164 0.1220 0.1341 0.1866 0.1764 MSCSAM 0.2009 0.0111 0.1082 0.1527 0.2375 0.2540 ALMSCSAM 0.2003 0.0064 0.1080 0.1527 0.2352 0.2521 Hematite 2 SAM 0.1121 0.1489 0.0607 0.2242 0.2797 0.2896 MSCSAM 0.1739 0.1967 0.0950 0.2909 0.3675 0.4033 ALMSCSAM 0.1733 0.1963 0.0944 0.2909 0.3650 0.4012 Hematite 3 SAM 0.1190 0.1817 0.0970 0.2501 0.3104 0.3214 MSCSAM 0.2920 0.3689 0.2691 0.4518 0.5287 0.5670 ALMSCSAM 0.2913 0.3682 0.2681 0.4514 0.5258 0.5644 Pyrite 2 SAM 0.0866 0.1377 0.1142 0.1842 0.2723 0.2797 MSCSAM 0.1198 0.1397 0.0937 0.2051 0.3228 0.3556 ALMSCSAM 0.1187 0.1386 0.0926 0.2045 0.3193 0.3526 Pyrite 3 SAM 0.0931 0.1457 0.1121 0.2032 0.2851 0.2918 MSCSAM 0.1256 0.1488 0.0939 0.2246 0.3365 0.3687 ALMSCSAM 0.1245 0.1478 0.0927 0.2240 0.3331 0.3657 Azurite 2 SAM 0.3839 0.3361 0.3940 0.2894 0.1637 0.1645 MSCSAM 0.3312 0.2749 0.3304 0.2277 0.0692 0.0807 ALMSCSAM 0.3289 0.2732 0.3290 0.2258 0.0690 0.0804 Azurite 3 SAM 0.4265 0.4092 0.4574 0.3473 0.2366 0.2475 MSCSAM 0.3406 0.3231 0.3662 0.2593 0.1272 0.1504 ALMSCSAM 0.3387 0.3217 0.3650 0.2578 0.1268 0.1500 Malachite 2 SAM 0.4105 0.3382 0.4081 0.3177 0.2026 0.1697 MSCSAM 0.3468 0.2598 0.3285 0.2443 0.1183 0.0573 ALMSCSAM 0.3450 0.2585 0.3274 0.2430 0.1180 0.0570 Malachite 3 SAM 0.4400 0.3725 0.4426 0.3579 0.2470 0.2130 MSCSAM 0.3512 0.2702 0.3382 0.2630 0.1470 0.0924 ALMSCSAM 0.3497 0.2691 0.3373 0.2620 0.1466 0.0920
Table 4. Spectral matching results of mural pigments
View tableTable 4. Spectral matching results of mural pigments
Pigment Method Matching fraction Orpiment 1 Bright red 1 Chromate 1 Lapis lazuli 1 Azurite 1 Malachite 1 Orpiment 2 SAM 0.0077 0.3757 0.0767 0.5627 1.0627 0.9351 MSCSAM 0.0071 0.3810 0.0755 0.5579 1.0339 0.9128 ALMSCSAM 0.0053 0.3809 0.0753 0.5579 1.0339 0.9127 Orpiment 3 SAM 0.0072 0.3808 0.0746 0.5609 1.0604 0.9305 MSCSAM 0.0072 0.3855 0.0733 0.5590 1.0345 0.9108 ALMSCSAM 0.0056 0.3854 0.0732 0.5589 1.0345 0.9108 Bright red 2 SAM 0.3262 0.0945 0.3763 0.6358 1.1113 1.1380 MSCSAM 0.3612 0.0858 0.4109 0.6863 1.1351 1.1670 ALMSCSAM 0.3610 0.0849 0.4107 0.6862 1.1351 1.1669 Bright red 3 SAM 0.3868 0.0711 0.4312 0.7144 1.1850 1.2157 MSCSAM 0.3635 0.0593 0.4107 0.6822 1.1321 1.1633 ALMSCSAM 0.3635 0.0585 0.4107 0.6822 1.1321 1.1633 Chromate 2 SAM 0.0714 0.4025 0.0247 0.5574 1.0561 0.8995 MSCSAM 0.0716 0.4068 0.0210 0.5583 1.0330 0.8826 ALMSCSAM 0.0715 0.4067 0.0205 0.5582 1.0330 0.8826 Chromate 3 SAM 0.0839 0.4257 0.0202 0.5599 1.0557 0.8873 MSCSAM 0.0843 0.4300 0.0136 0.5625 1.0344 0.8721 ALMSCSAM 0.0842 0.4299 0.0128 0.5624 1.0344 0.8720 Lapis lazuli 2 SAM 0.5591 0.6758 0.5716 0.0186 0.5143 0.5793 MSCSAM 0.5641 0.6843 0.5667 0.0161 0.4844 0.5581 ALMSCSAM 0.5640 0.6841 0.5666 0.0110 0.4842 0.5579 Lapis lazuli 3 SAM 0.5605 0.6722 0.5733 0.0154 0.5144 0.5849 MSCSAM 0.5602 0.6788 0.5630 0.0149 0.4888 0.5623 ALMSCSAM 0.5601 0.6787 0.5629 0.0066 0.4885 0.5621 Azurite 2 SAM 1.0183 1.1061 1.0276 0.4742 0.0515 0.5022 MSCSAM 1.0341 1.1257 1.0333 0.4910 0.0295 0.4994 ALMSCSAM 1.0340 1.1256 1.0332 0.4907 0.0208 0.4990 Azurite 3 SAM 1.0230 1.1091 1.0328 0.4769 0.0444 0.5111 MSCSAM 1.0350 1.1255 1.0347 0.4900 0.0220 0.5067 ALMSCSAM 1.0350 1.1254 1.0347 0.4898 0.0118 0.5064 Malachite 2 SAM 0.9348 1.1745 0.9071 0.5874 0.5308 0.0179 MSCSAM 0.9139 1.1587 0.8787 0.5632 0.5096 0.0172 ALMSCSAM 0.9139 1.1587 0.8786 0.5631 0.5094 0.0106 Malachite 3 SAM 0.8822 1.1224 0.8573 0.5313 0.5106 0.0610 MSCSAM 0.9150 1.1631 0.8804 0.5649 0.5086 0.0166 ALMSCSAM 0.9150 1.1631 0.8803 0.5648 0.5082 0.0095
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Zhan Wang, Ke Wang, Weichao Wang. Scattering Noise Elimination Method for Improving Spectral Matching Accuracy[J]. Laser & Optoelectronics Progress, 2019, 56(2): 022401
Paper Information
Category: Optics at Surfaces
Received: Jul. 4, 2018
Accepted: Aug. 2, 2018
Published Online: Aug. 1, 2019
The Author Email: Wang Ke (wk1307@yeah.net)
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