ResNet34 与 ResNet50 对应层的通道数输出详解

ResNet34 与 ResNet50 对应层的通道数输出详解

本文将详细介绍 ResNet34 和 ResNet50 网络架构中每个部分的通道数输出，方便理解这两个模型的结构和功能。

ResNet34

第一部分：第一个卷积

• Conv1: 64 channels, kernel size 7x7, stride 2

第二部分：最大池化和 Layer1

• MaxPool: kernel size 3x3, stride 2
• Layer1: 64 channels, 3 blocks, each block has 2 conv layers with 64 channels

第三部分：Layer2

• Layer2: 128 channels, 4 blocks, each block has 2 conv layers with 128 channels

第四部分：Layer3

• Layer3: 256 channels, 6 blocks, each block has 2 conv layers with 256 channels

第五部分：Layer4

• Layer4: 512 channels, 3 blocks, each block has 2 conv layers with 512 channels

ResNet50

第一部分：第一个卷积

• Conv1: 64 channels, kernel size 7x7, stride 2

第二部分：最大池化和 Layer1

• MaxPool: kernel size 3x3, stride 2
• Layer1: 256 channels, 3 blocks, first block has 1 conv layer with 64 channels, followed by 2 conv layers with 64 channels in each block

第三部分：Layer2

• Layer2: 512 channels, 4 blocks, first block has 1 conv layer with 128 channels, followed by 2 conv layers with 128 channels in each block

第四部分：Layer3

• Layer3: 1024 channels, 6 blocks, first block has 1 conv layer with 256 channels, followed by 2 conv layers with 256 channels in each block

第五部分：Layer4

• Layer4: 2048 channels, 3 blocks, first block has 1 conv layer with 512 channels, followed by 2 conv layers with 512 channels in each block