An E-nose and Convolution Neural Network based Recognition Method for Processed Products of Crataegi Fructus.

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Abstract

The identification of Fructus Crataegi processed products manually is inefficient and unreliable. Therefore, how to identify the Fructus Crataegis processed products efficiently is important.
In order to efficiently identify Fructus Grataegis processed products with different odor characteristics, a new method based on an electronic nose and convolutional neural network is proposed.
First, the original smell of Fructus Grataegis processed products is obtained by using the electronic nose and then preprocessed. Next, feature extraction is carried out on the preprocessed data through convolution pooling layer L_CP1, convolution pooling layer L_CP2 and full connection layer L_FC. Thus, the feature vector of the processed products can be obtained. Then we construct the recognition model for Fructus Grataegis processed products, and train the model to obtain the optimized parameters: filters F1 and F2, bias vectors B1, B2, B3 and B4, matrixes M1 and M2. Finally, the features of the target processed products are extracted through the trained parameters to achieve accurate prediction.
The experimental results show that the proposed method has higher accuracy for the identification of Fructus Grataegis processed products, and is competitive with other machine learning based methods.
The method proposed in this paper is effective for the identification of Fructus Grataegi processed products.
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