目标检测激活函数修改

目标检测激活函数的修改可以采用Funnel激活函数（FReLU）。FReLU是一种简单但有效的激活函数，通过增加可忽略的空间条件开销将ReLU和PReLU扩展为2D激活函数。它在激活函数阶段实现像素级的空间信息建模能力，适用于目标检测、语义分割等目标识别任务。使用FReLU作为目标检测激活函数的修改可以提高模型的性能和准确度，同时保持简单和高效的特点。该激活函数的代码可以在activations.py文件中找到。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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