Journal
INFRARED PHYSICS & TECHNOLOGY
Volume 85, Issue -, Pages 32-38Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.infrared.2017.05.011
Keywords
Blood species identification; Noncontact; Spatially resolved spectroscopy
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Funding
- National High-Tech R&D Program of China (863 Program) [2015AA021105]
- Tianjin Application Basis & Front Technology Study Programs [14JCZDJC33100]
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The inspection and identification of whole blood are crucially significant for import-export ports and inspection and quarantine departments. In our previous research, we proved Near-Infrared diffuse transmitted spectroscopy method was potential for noninvasively identifying three blood species, including macaque, human and mouse, with samples measured in the cuvettes. However, in open sampling cases, inspectors may be endangered by virulence factors in blood samples. In this paper, we explored the non contact measurement for classification, with blood samples measured in the vacuum blood vessels. Spatially resolved near-infrared spectroscopy was used to improve the prediction accuracy. Results showed that the prediction accuracy of the model built with nine detection points was more than 90% in identification between all five species, including chicken, goat, macaque, pig and rat, far better than the performance of the model built with single-point spectra. The results fully supported the idea that spatially resolved near-infrared spectroscopy method can improve the prediction ability, and demonstrated the feasibility of this method for noncontact blood species identification in practical applications. (C) 2017 Published by Elsevier B.V.
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