Researching | Raman Spectroscopy Analysis of Plastic Steel Window Based on K Nearest Neighbors Algorithm

Laser & Optoelectronics Progress, Volume. 55, Issue 5, 053001(2018)

Raman Spectroscopy Analysis of Plastic Steel Window Based on K Nearest Neighbors Algorithm

Xinlong He, Libo Chen, Jifen Wang^*, and Guotong Sang

Author Affiliations

Institute of Forensic Science and Technology, People's Public Security University of China, Beijing 100038, China

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Figures&Tables (7)

References (18)

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Figures & Tables(7)

Fig. 1. Raman spectra of 23 samples

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Fig. 2. Raman spectra of Shide 4 sample and Shide 6 sample

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Fig. 3. K parameter error statistical chart

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Fig. 4. Significance chart of characteristic variables

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Fig. 5. Eigenvectors space model interactive graphic

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Table 1. Principal component analysis results of 7 samples

Table 1. Principal component analysis results of 7 samples

Sample	PCA1	PCA2	PCA3	PCA4	PCA5
Hailuo 1	5.69052	4.12079	9.62737	3.85800	0.01534
Hailuo 2	1.23356	1.38609	0.77216	0.68149	2.60546
Hailuo 3	1.84294	9.49006	3.69626	2.08477	0.39530
Hailuo 4	0.26705	8.46751	6.73757	3.13073	1.70425
Hailuo 5	2.73194	3.34770	8.22784	7.54459	0.81463
Hailuo 6	4.02364	4.39492	5.88556	0.44348	3.47548
Jinpeng 1	8.36999	6.38767	0.16108	0.36157	0.38632

Table 2. K(K=1) nearest neighbor and nearest distance of unknown samples
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Table 2. K(K=1) nearest neighbor and nearest distance of unknown samples
Prediction sample Nearest neighbor Nearest distance
New 1 Hailuo 5(D) 0.145
New 8 Shide 3(A) 0.120

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Xinlong He, Libo Chen, Jifen Wang, Guotong Sang. Raman Spectroscopy Analysis of Plastic Steel Window Based on K Nearest Neighbors Algorithm[J]. Laser & Optoelectronics Progress, 2018, 55(5): 053001

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Paper Information

Category: Spectroscopy

Received: Oct. 10, 2017

Accepted: --

Published Online: Sep. 11, 2018

The Author Email: Wang Jifen (wangjifen58@126.com)

DOI:10.3788/LOP55.053001

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology