Rice disease recognition method based on principal component analysis and neural network and rice disease recognition system thereof
A principal component analysis and rice disease technology, applied in the field of image recognition, can solve the problems of low rice disease recognition accuracy, lack of intelligence, and no rice pest detection system
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[0061] Such as figure 1 As shown, a rice disease identification method based on principal component analysis and neural network, the method includes the following sequential steps: (1) obtain the rice disease image data marked by agricultural experts; Image preprocessing of the lesion image; (3) visual saliency detection of the preprocessed rice lesion image, constructing a spectral scale space, and finding the ideal rice lesion outline from the saliency map sequence according to a certain information entropy criterion Disease images; (4) Extract features from three aspects of rice disease images, color, shape and texture, and perform difference analysis, and perform principal components based on feature number threshold adjustment for feature combinations with poor difference effects from these three aspects (5) Construct machine learning models for different feature combinations, adjust the weight iteration parameters at the same time, find out the weight iteration parameter...
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