Rapid Discrimination of Jade Origins Based on Molecular Spectra

Lei Lei; Yajun Teng; Hanqing Liu; Endong Zu

doi:10.3788/LOP202158.1230002

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 12 >Page 1230002 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 12, 1230002 (2021)

Rapid Discrimination of Jade Origins Based on Molecular Spectra

Lei Lei¹, Yajun Teng², Hanqing Liu², and Endong Zu^1、*

Author Affiliations

¹China Faculty of Material Science and Engineer, Kunming University of Science and Technology, Kunming, Yunnan 650093, China

²Kunming Customs Technology Center, Kunming, Yunnan 650228, China

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DOI: 10.3788/LOP202158.1230002 Cite this Article Set citation alerts

Lei Lei, Yajun Teng, Hanqing Liu, Endong Zu. Rapid Discrimination of Jade Origins Based on Molecular Spectra[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1230002 Copy Citation Text

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Fig. 1. Infrared spectra of jade samples

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Fig. 2. Laser Raman spectra of jade

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Principal component	Variance contribution rate /%	Accumulative contribution rate /%
PC1	93.015	93.015
PC2	3.227	96.242
PC3	2.368	98.610
PC4	0.578	99.188
PC5	0.416	99.605
PC6	0.145	99.749

Table 1. Accumulative contribution rate of each principal component

Sample classification	Origin	Discrimination result			Accuracy /%	Average discrimination accuracy rate /%
Sample classification	Origin	Russia	Guatemala	Burma	Accuracy /%	Average discrimination accuracy rate /%
Training set	Russia	10	1	0	90.90	94.20
	Guatemala	0	11	1	91.70
	Burma	0	0	15	100.00
Testing set	Russia	3	1	0	75.00	91.60
	Guatemala	0	8	0	100.00
	Burma	0	0	5	100.00

Table 2. Discrimination results of jade origin

Principal component	Variance contribution rate /%	Accumulative contribution rate /%
PC1	78.237	78.237
PC2	19.586	97.822
PC3	1.729	99.551
PC4	0.220	99.772
PC5	0.126	99.898

Table 3. Accumulative contribution rate of each principal component

Sample classification	Origin	Discrimination result			Accuracy rate /%	Average discrimination accuracy /%
Sample classification	Origin	Russia	Guatemala	Burma	Accuracy rate /%	Average discrimination accuracy /%
Training set	Russia	6	0	0	100.00	93.48
	Guatemala	0	13	2	86.70
	Burma	0	1	15	93.75
Testing set	Russia	9	0	0	100.00	100.00
	Guatemala	0	5	0	100.00
	Burma	0	0	4	100.00

Table 4. Discrimination results of jade origin

Lei Lei, Yajun Teng, Hanqing Liu, Endong Zu. Rapid Discrimination of Jade Origins Based on Molecular Spectra[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1230002

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