神经网络算法的相关知识

青旅半醒 2023-10-06 14:26 3阅读 0赞

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激活函数relu

![20200807170447738.png][]

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从上面也可以看出sigmoid计算量比较大,relu计算量小

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上面的224×224×64是卷积后的结果，pool后，也就是池化层后，就变成了112×112×64。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2diNDIxNTI4Nw_size_16_color_FFFFFF_t_70 5][]

分类会有全连接层，不分类有可能没有全连接层。

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[20200807170447738.png]: https://img-blog.csdnimg.cn/20200807170447738.png
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