Laser & Optoelectronics Progress, Volume. 58, Issue 6, 630002(2021)
Pigment Identification and Color Analysis of Ancient Murals Based on Visible Spectroscopy
Figures & Tables(10)
Fig. 1. Geometric structure of non-contact mural visible spectrum acquisition system
Fig. 4. Pigment identification of partial area of the west wall of Cave 288 of Mogao Grotto. (a) Identified areas of the murals; (b) comparisons of the feature vectors
Fig. 5. Particle size identification of CP2 and CP3 on the west wall of Cave 288 of Mogao Grotto
Fig. 7. Visible spectra of malachite pigment in different areas of Cave 220 of Mogao Grotto
Fig. 8. Visible spectra of malachite and lazurite pigment in different dynasties. (a) Malachite; (b) lazurite
Table 1. Short-term repeatability test results of the acquisition system
View tableTable 1. Short-term repeatability test results of the acquisition system
Color RMSE Max Min Mean Blue 0.0067 0.0020 0.0043 Green 0.0053 0.0020 0.0035 Red 0.0047 0.0021 0.0035 Yellow 0.0072 0.0039 0.0054 Magenta 0.0069 0.0033 0.0048 Cyan 0.0059 0.0017 0.0036
Table 2. Long-term repeatability test results of the acquisition system
View tableTable 2. Long-term repeatability test results of the acquisition system
Color RMSE Max Min Mean Blue 0.0075 0.0027 0.0051 Green 0.0067 0.0017 0.0038 Red 0.0055 0.0028 0.0036 Yellow 0.0066 0.0021 0.0043 Magenta 0.0080 0.0030 0.0053 Cyan 0.0077 0.002 0.0044
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Li Miaoxin, Wei Chun''ao, Wan Xiaoxia, Li Junfeng. Pigment Identification and Color Analysis of Ancient Murals Based on Visible Spectroscopy[J]. Laser & Optoelectronics Progress, 2021, 58(6): 630002
Paper Information
Category: Spectroscopy
Received: Aug. 5, 2020
Accepted: --
Published Online: Mar. 11, 2021
The Author Email: Junfeng Li (ljf@hnuahe.edu.cn)
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