Optical Instruments, Volume. 41, Issue 6, 26(2019)
Comparative study on spatial and spectral of hyperspectral potato leaf late blight
Figures & Tables(6)
Table 1. Identification results based on characteristic wavelength reflectance
View tableView in ArticleTable 1. Identification results based on characteristic wavelength reflectance
波段提取方式 分类方法 病害时期 识别率 平均识别率 PCA-PCA BP 初 80.0% 83.1% 中 86.7% 晚 82.7% KNN 初 85.7% 87.8% 中 88.3% 晚 89.4% DT 初 83.9% 86.3% 中 88.9% 晚 86.1% 2nd der-PCA BP 初 80.7% 82.6% 中 83.3% 晚 83.7% KNN 初 82.2% 84.3% 中 85.6% 晚 85.0% DT 初 81.3% 83.6% 中 83.9% 晚 85.6%
Table 2. Results of recognition base on gray value of principal component image
View tableView in ArticleTable 2. Results of recognition base on gray value of principal component image
波段提取方式 分类方法 病害时期 识别率 平均识别率 PCA-PCA BP 初 94.1% 96.6% 中 97.6% 晚 98.0% KNN 初 89.4% 91.8% 中 92.2% 晚 93.7% DT 初 89.4% 90.7% 中 88.2% 晚 94.6% 2nd der-PCA BP 初 91.6% 94.8% 中 95.7% 晚 97.2% KNN 初 90.2% 90.9% 中 90.3% 晚 92.3% DT 初 89.7% 91.6% 中 90.8% 晚 94.3%
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Xinye WANG, Jie FENG, Xinting LI. Comparative study on spatial and spectral of hyperspectral potato leaf late blight[J]. Optical Instruments, 2019, 41(6): 26
Paper Information
Category: APPLICATION TECHNOLOGY
Received: Mar. 18, 2019
Accepted: --
Published Online: May. 19, 2020
The Author Email: FENG Jie (fengjie_ynnu@126.com)
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