Jinxing Liang, Xinrong Hu, Ruhan He, Jia Chen. Research on Spectral Estimation Method Based on Adaptive Weighted Linear Regression[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1233001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 12, 1233001 (2021)
Fig. 1. Flowchart of proposed adaptive weighted linear regression based spectral estimation method
Fig. 2. Simulation measurement system. (a) Spectral sensitivity function distribution; (b) light source distribution
Fig. 3. Spectral estimation results of sample I3 in SG chart using Global method. (a) Ground truth; (b) estimated spectral without exposure correction; (c) estimated spectral after exposure correction
Fig. 4. Spectral estimation results of sample I3 in SG chart using Ref. [13] method. (a) Ground truth; (b) estimated spectral without exposure correction; (c) estimated spectral after exposure correction
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Table 1. Average spectral estimation accuracy comparison between Global and Ref. [13] method
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Table 2. Average spectral estimation accuracy comparison between proposed method and several common methods
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