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少批量数据有用,大批量数据无效 #39

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guanyonglai opened this issue Aug 3, 2020 · 1 comment
Open

少批量数据有用,大批量数据无效 #39

guanyonglai opened this issue Aug 3, 2020 · 1 comment

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@guanyonglai
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我把non-local 用在reid上面的,在resnet50的前三个layers后面都接了non-local层。用1000个ID进行训练是发现能提高一个点,而且收敛速度比原来快,但是当我用5000个ID训练时发现结果比原来低了一个多点。是不是有哪些参数我需要再调一下?烦请解答哦
PS:我没有发现其他网友提出的W权重为0的情况,我这边W还是挺正常的

@AlexHex7
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Hi @guanyonglai . 我没有做过reid的实验,因此不太确定(我猜测可能是跟数据有关)。
我做过其他研究方向的实验,在有些数据集上加入non-local block确实性能会更差一些。

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