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Scale rates of multiscale test in cityscapes #33

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yzou2 opened this issue Jul 21, 2017 · 2 comments
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Scale rates of multiscale test in cityscapes #33

yzou2 opened this issue Jul 21, 2017 · 2 comments

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@yzou2
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yzou2 commented Jul 21, 2017

When I use the given ResNet 38-A1 model pretrained on cityscapes and do single scale testing, I get the mIOU 78.08% at val dataset.
As shown in the github page of ResNet 38, multiscale testing will boost the mIOU by about 1%. However, when I do multi-scale testing, (scales: 0.75, 0.875, 1) I get the mIOU 77.06%, that is lower than single scale testing. Could anyone tell me the scale rates for boosting the performance dramatically?
@yzou2
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yzou2 commented Jul 21, 2017

I fix the bug by replacing the average operation by max.

@yzou2 yzou2 closed this as completed Jul 21, 2017
@speedinghzl
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@yzou2 Could you please provide your code for multiscale testing?

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@speedinghzl @yzou2