我们找到models文件夹中的common.py文件，在文件中加入如下模块
###################ECA注意力机制#####################
class ECA(nn.Module):"""Constructs a ECA module.Args:channel: Number of channels of the input feature mapk_size: Adaptive selection of kernel size"""def __init__(self, c1, k_size=3):super(ECA, self).__init__()self.avg_pool = nn.AdaptiveAvgPool2d(1)self.conv = nn.Conv1d(1, 1, kernel_size=k_size, padding=(k_size - 1) // 2, bias=False)self.sigmoid = nn.Sigmoid()def forward(self, x):# feature descriptor on the global spatial informationy = self.avg_pool(x)y = self.conv(y.squeeze(-1).transpose(-1, -2)).transpose(-1, -2).unsqueeze(-1)# Multi-scale information fusiony = self.sigmoid(y)return x然后我们找到models文件夹中的yolo.py文件ÿ
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