Ai-guo OUYANG, Qi-ming WAN, Xiong LI, Zhi-yi XIONG, Shun WANG, Qi-cheng LIAO. Research on Rich Borer Detection Methods Based on Hyperspectral Imaging Technology[J]. Spectroscopy and Spectral Analysis, 2021, 41(12): 3844
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 12, 3844 (2021)
Fig. 1. Rice borer holes of rice stem
Fig. 2. Hyperspectral image acquisition system
Fig. 3. Spectral reflectance curves of 120 samples
Fig. 4. The first five PC images
Fig. 5. PC3 spectral weight coefficient
Fig. 6. RGB images at 668.8 and 750 nm
Fig. 7. Flow chart of pest detection of rice borer based on principal component analysis characteristic band
Fig. 8. Hyperspectral reflectance curves of a single sample
Fig. 9. Optimal band iteration threshold segmentation image
Fig. 10. The results of wormhole extraction based on iterative threshold
Fig. 11. Flow chart of wormhole extraction method based on iterative threshold
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Table 1. Results of hybrid-distance combinations
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Table 2. Results obtained by two detection methods
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