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YOLOV5学习笔记(三)——网络模块详解
2022-07-31 02:34:00 【桦树无泪】
1 各模块的作用
1.1 Focus:减少运算量

1.2 CSPNet跨阶段局部网络

1.3 SPP空间金字塔池化
最大池化一般会导致特征图的减小,需要填充使特征图大小一样,最后拼接。可以增加感受野。

1.4 PANet
不同尺度进行融合时,最大和最小比较难融合,所以有个上采样和下采样,比较好融合。

2 损失函数
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