Laser induced breakdown spectroscopy for quantitative analysis based on low-rank matrix approximations

2017 ◽  
Vol 32 (11) ◽  
pp. 2164-2172 ◽  
Author(s):  
Cancan Yi ◽  
Yong Lv ◽  
Han Xiao ◽  
Shan Tu
Keyword(s):  
Quantitative Analysis ◽  
Convex Optimization ◽  
Low Rank ◽  
Laser Induced Breakdown Spectroscopy ◽  
Matrix Approximation ◽  
Analysis Method ◽  
Breakdown Spectroscopy ◽  
Rank Matrix ◽  
Laser Induced Breakdown ◽  
Low Rank Matrix

In this paper, a novel and quantitative LIBS analysis method based on a sparse low-rank matrix approximation via convex optimization is proposed.

LIBS quantitative analysis method for samples with changing temperature via functional data analysis

2021 ◽  
Author(s):  
Fu Chang ◽  
Jianhong Yang ◽  
Huili Lu ◽  
Haixia Li
Keyword(s):  
Data Analysis ◽  
Quantitative Analysis ◽  
Functional Data Analysis ◽  
Functional Data ◽  
Laser Induced Breakdown Spectroscopy ◽  
Calibration Model ◽  
Analysis Method ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown ◽  
Quantitative Analysis Method

The quantitative analysis accuracy of laser-induced breakdown spectroscopy (LIBS) will decrease if the temperatures of testing samples are different from the temperature under which the calibration model is established. For...

A laser induced breakdown spectroscopy quantitative analysis method based on the robust least squares support vector machine regression model

2015 ◽  
Vol 30 (7) ◽  
pp. 1541-1551 ◽  
Author(s):  
Jianhong Yang ◽  
Cancan Yi ◽  
Jinwu Xu ◽  
Xianghong Ma
Keyword(s):  
Quantitative Analysis ◽  
Prediction Accuracy ◽  
Laser Induced Breakdown Spectroscopy ◽  
Support Vector ◽  
Analysis Method ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown ◽  
Quantitative Analysis Method ◽  
Robust Least Squares ◽  
Multiple Measurements

Data fluctuation in multiple measurements of Laser Induced Breakdown Spectroscopy (LIBS) greatly affects the accuracy of quantitative analysis. Our proposed method achieved better prediction accuracy and modeling robustness.

Quantitative analysis of titanium alloys using one-point calibration laser-induced breakdown spectroscopy

2021 ◽  
Vol 127 (3) ◽  
Author(s):  
Ran Hai ◽  
Weina Tong ◽  
Ding Wu ◽  
Zhonglin He ◽  
Harse Sattar ◽  
...  
Keyword(s):  
Quantitative Analysis ◽  
Titanium Alloys ◽  
Laser Induced Breakdown Spectroscopy ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown

Adaptive Local Low-rank Matrix Approximation for Recommendation

2019 ◽  
Vol 37 (4) ◽  
pp. 1-34 ◽  
Author(s):  
Huafeng Liu ◽  
Liping Jing ◽  
Yuhua Qian ◽  
Jian Yu
Keyword(s):  
Low Rank ◽  
Matrix Approximation ◽  
Rank Matrix ◽  
Low Rank Matrix ◽  
Low Rank Matrix Approximation
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