Variety Identification of Single Rice Seed Using Hyperspectral Imaging Combined with Convolutional Neural Network
AbstractThe feasibility of using hyperspectral imaging with convolutional neural network (CNN) to identify rice seed varieties was studied. Hyperspectral images of 4 rice seed varieties at two different spectral ranges (380–1030 nm and 874–1734 nm) were acquired. The spectral data at the ranges of 441–948 nm (Spectral range 1) and 975–1646 nm (Spectral range 2) were extracted. K nearest neighbors (KNN), support vector machine (SVM) and CNN models were built using different number of training samples (100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1500, 2000, 2500 and 3000). KNN, SVM and CNN models in the Spectral range 2 performed slightly better than those in the Spectral range 1. The model performances improved with the increase in the number of training samples. The improvements were not significant when the number of training samples was large. CNN model performed better than the corresponding KNN and SVM models in most cases, which indicated the effectiveness of using CNN to analyze spectral data. The results of this study showed that CNN could be adopted in spectral data analysis with promising results. More varieties of rice need to be studied in future research to extend the use of CNNs in spectral data analysis. View Full-Text
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Qiu, Z.; Chen, J.; Zhao, Y.; Zhu, S.; He, Y.; Zhang, C. Variety Identification of Single Rice Seed Using Hyperspectral Imaging Combined with Convolutional Neural Network. Appl. Sci. 2018, 8, 212.
Qiu Z, Chen J, Zhao Y, Zhu S, He Y, Zhang C. Variety Identification of Single Rice Seed Using Hyperspectral Imaging Combined with Convolutional Neural Network. Applied Sciences. 2018; 8(2):212.Chicago/Turabian Style
Qiu, Zhengjun; Chen, Jian; Zhao, Yiying; Zhu, Susu; He, Yong; Zhang, Chu. 2018. "Variety Identification of Single Rice Seed Using Hyperspectral Imaging Combined with Convolutional Neural Network." Appl. Sci. 8, no. 2: 212.
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