Acta Photonica Sinica, Volume. 51, Issue 4, 0430001(2022)
Rapid Classification of Laser Induced Breakdown Spectroscopy of Titanium Alloys
Fig. 3. The change of peak intensity and signal to noise ratio with unit pulse energy
Fig. 4. The change of peak intensity and signal to noise ratio with trigger delay
Fig. 6. Confusion matrix of training set of original spectrums after weighted KNN classification and confusion matrix of test set classification result
Fig. 7. Confusion matrix of weighted KNN classification for spectral training set after data processing and confusion matrix of test set classification result
Fig. 9. Training set confusion matrix of final classification result and confusion matrix of test set classification result
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Cheng XU, Fang LI, Feng CHEN, Deng ZHANG, Fan DENG, Lianbo GUO. Rapid Classification of Laser Induced Breakdown Spectroscopy of Titanium Alloys[J]. Acta Photonica Sinica, 2022, 51(4): 0430001
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Received: Nov. 9, 2021
Accepted: Jan. 25, 2022
Published Online: May. 18, 2022
The Author Email: LI Fang (lifang@wit.edu.cn)