X-ray fluorescence spectrum combined with power <i>k</i>-means to examine toner analysis

TIAN Shisi; JIANG Hong; QI Henghui; WANG Yiduan; MAN Ji

doi:10.7510/jgjs.issn.1001-3806.2021.04.019

LASER TECHNOLOGY > 2021 > 45(4): 530-534. > DOI: 10.7510/jgjs.issn.1001-3806.2021.04.019

TIAN Shisi, JIANG Hong, QI Henghui, WANG Yiduan, MAN Ji. X-ray fluorescence spectrum combined with power k-means to examine toner analysis[J]. LASER TECHNOLOGY, 2021, 45(4): 530-534. DOI: 10.7510/jgjs.issn.1001-3806.2021.04.019

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X-ray fluorescence spectrum combined with power k-means to examine toner analysis

1.
Institute of Criminal Investigation, People's Public Security University of China, Beijing 100038, China
2.
School of Statistics, Renmin University of China, Beijing 100044, China
3.
Beijing Huayi Honrizon Technology Co.Ltd., Beijing 100123, China

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Received Date: July 08, 2020
Revised Date: August 20, 2020
Published Date: July 24, 2021

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Abstract

In order to construct a model for identifying printing and copying toners, X-ray fluorescence spectroscopy was used for theoretical analysis and experimental verification. The experiment data was obtained through quantitatively analyzing of the element content of 28 common brands toner samples. According to the preliminary grouping based on the presence or absence of specific elements, improved power k-means algorithm was used to perform clustering analysis to divide samples into 7 groups. After the verification by the Pearson coefficient, the result was testified, and the samples were well distinguished. The samples within the group were significantly correlated at the level of 0.001.The experiment provides new ideas which is fast and easy for the identification of printing and copying toners in judicial practice.
- X-ray optics,
- toner of printer and copier,
- type of element,
- element content

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