Author
Listed:
- Zhongyuan Zhao
(School of Computer Science and Technology, Zhoukou Normal University, Zhoukou 466001, China)
- Feiyu Lian
(College of Information Science and Engineering, Henan University of Technology, Zhengzhou 450001, China)
- Yuying Jiang
(School of Artificial Intelligence and Big Data, Henan University of Technology, Zhengzhou 450001, China)
Abstract
To address the challenge of relying on complex biochemical methods for identifying rice species, a prediction model that combines gas chromatography-ion mobility spectroscopy (GC-IMS) with a convolutional neural network (CNN) was developed. The model utilizes the GC-IMS fingerprint data of each rice variety sample, and an improved CNN structure is employed to increase the recognition accuracy. First, an improved generative adversarial network based on the diffusion model (DGAN) is used for data enhancement to expand the dataset size. Then, on the basis of a residual network called ResNet50, a transfer learning method is introduced to improve the training effect of the model under the condition of a small sample. In addition, a new attention mechanism called Triplet is introduced to further highlight useful features and improve the feature extraction performance of the model. Finally, to reduce the number of model parameters and improve the efficiency of the model, a method called knowledge distillation is used to compress the model. The results of our experiments revealed that the recognition accuracy for identifying the 10 rice varieties was close to 96%; hence, the proposed model significantly outperformed traditional models such as principal component analysis and support vector machine. Furthermore, compared to the traditional CNN, our model reduced the number of parameters and number of computations by 53% and 55%, respectively, without compromising classification accuracy. The study also suggests that the combination of GC-IMS and our proposed deep learning method had better discrimination abilities for rice varieties than traditional chromatography and other spectral analysis methods and that it effectively identified rice varieties.
Suggested Citation
Zhongyuan Zhao & Feiyu Lian & Yuying Jiang, 2024.
"Recognition of Rice Species Based on Gas Chromatography-Ion Mobility Spectrometry and Deep Learning,"
Agriculture, MDPI, vol. 14(9), pages 1-20, September.
Handle:
RePEc:gam:jagris:v:14:y:2024:i:9:p:1552-:d:1473705
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