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FF-Net中为何选择使用1*1的卷积核呢? #2

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zwj163021 opened this issue Jun 17, 2020 · 1 comment
Open

FF-Net中为何选择使用1*1的卷积核呢? #2

zwj163021 opened this issue Jun 17, 2020 · 1 comment

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@zwj163021
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张博,
您好!
刚拜读了您的文章,有个小小的疑问还望您指教。对于文中提到的FF-Net,我的理解是以特征差异图为输入数据进行像素分类,这里为何选择使用11的卷积核呢?为何不使用考虑了空间上下文关系的卷积核呢(比如33,空洞卷积...)?

@MinZHANG-WHU
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您好,FF-Net的作用是融合多个特征,即为每个特征定权,可以看成线性加权计算过程;考虑空间上下文关系的卷积核已经通过VGG16实现。

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