LeNet5¶ class mmpretrain.models.backbones.LeNet5(num_classes=-1)[源代码]¶ LeNet5 backbone. The input for LeNet-5 is a 32×32 grayscale image. 参数: num_classes (int) – number of classes for classification. The default value is -1, which uses the backbone as a feature extractor without the top classifier.