画一下yolov5的网络结构
时间: 2023-06-30 14:10:12 浏览: 119
以下是 YOLOv5 的网络结构示意图:
```
+------------------------------------------------------------------------+
| |
| Backbone |
| |
| +--------------+ +--------------+ +--------------+ |
| | CSPBlock | | CSPBlock | | CSPBlock | |
| | (3x3) | | (3x3) | | (3x3) | |
| +--------------+ +--------------+ +--------------+ |
| | | | |
| +--------------+ +--------------+ +--------------+ |
| | CSPBlock | | CSPBlock | | CSPBlock | |
| | (3x3) | | (3x3) | | (3x3) | |
| +--------------+ +--------------+ +--------------+ |
| | | | |
| +--------------+ +--------------+ +--------------+ |
| | CSPBlock | | CSPBlock | | CSPBlock | |
| | (3x3) | | (3x3) | | (3x3) | |
| +--------------+ +--------------+ +--------------+ |
| | | | |
| +--------------+ +--------------+ +--------------+ |
| | CSPBlock | | CSPBlock | | CSPBlock | |
| | (3x3) | | (3x3) | | (3x3) | |
| +--------------+ +--------------+ +--------------+ |
| |
| Neck |
| |
| +--------------+ +--------------+ +--------------+ |
| | PANet | | PANet | | PANet | |
| | (3x3) | | (3x3) | | (3x3) | |
| +--------------+ +--------------+ +--------------+ |
| | | | |
| +--------------+ +--------------+ +--------------+ |
| | PANet | | PANet | | PANet | |
| | (3x3) | | (3x3) | | (3x3) | |
| +--------------+ +--------------+ +--------------+ |
| | | | |
| +--------------+ +--------------+ +--------------+ |
| | PANet | | PANet | | PANet | |
| | (3x3) | | (3x3) | | (3x3) | |
| +--------------+ +--------------+ +--------------+ |
| |
| Head |
| |
| +--------------+ +--------------+ +--------------+ |
| | YOLOv5 Head | | YOLOv5 Head | | YOLOv5 Head | |
| | (Conv, BN, | | (Conv, BN, | | (Conv, BN, | |
| | ReLU) | | ReLU) | | ReLU) | |
| +--------------+ +--------------+ +--------------+ |
| |
+------------------------------------------------------------------------+
```
其中,Backbone 采用了 CSPDarknet53 或者 CSPDarknet,用于特征提取;Neck 采用了 PAN 模块,用于特征融合;Head 采用了YOLOv5 Head,用于检测不同大小的目标。
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