In view of the existing image processing or convolutional neural network methods in classifying grape leaf diseases,which are affected by the lesion area size and complex background of disease images,not applicable to small sample data sets,and difficult to converge whe...MORE In view of the existing image processing or convolutional neural network methods in classifying grape leaf diseases,which are affected by the lesion area size and complex background of disease images,not applicable to small sample data sets,and difficult to converge when ...