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about paper #1

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foralliance opened this issue Jan 11, 2019 · 2 comments
Open

about paper #1

foralliance opened this issue Jan 11, 2019 · 2 comments

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@foralliance
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foralliance commented Jan 11, 2019

1节“Feature learning部分”指出:
现有的FPN方法just aggregates hierarchical feature maps between high and low-level output layers, which does not consider the current layers information, and the context relationship between anchors is ignored。
2节“Feature Learning部分”指出:
现有的各种方法do not consider the current layers information.

结合Fig3和code,本文提出的FEM模块其实就是:FPN + 额外的dilation conv处理。有几个问题:

  1. 都是FPN,为什么说以前的方法没有考虑当前层的信息,FPN特征融合怎么会不考虑当前层呢?
  2. anchors之间的context relationship如何理解?3组额外的dilation conv操作为什么就能解决anchors之间的context问题?

不知道您是如何理解的?麻烦了!!

@huazai-1994
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我也有这些疑问,同求答疑

@ChauncyFr
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1节“Feature learning部分”指出:
现有的FPN方法just aggregates hierarchical feature maps between high and low-level output layers, which does not consider the current layers information, and the context relationship between anchors is ignored。
2节“Feature Learning部分”指出:
现有的各种方法do not consider the current layers information.

结合Fig3和code,本文提出的FEM模块其实就是:FPN + 额外的dilation conv处理。有几个问题:

  1. 都是FPN,为什么说以前的方法没有考虑当前层的信息,FPN特征融合怎么会不考虑当前层呢?
  2. anchors之间的context relationship如何理解?3组额外的dilation conv操作为什么就能解决anchors之间的context问题?

不知道您是如何理解的?麻烦了!!

FPN是直接与前面的层相加,他这个模块不是分为两个部分吗,第一个部分用的原特征图(也就是他说的考虑了当前层信息),第二个部分才是相加(相当于FPN吧)。我是这样理解的,不知道对不对?

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