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How is the default threshold of 0.3 determined? #2414

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jackkwok opened this issue Dec 15, 2022 · 1 comment
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How is the default threshold of 0.3 determined? #2414

jackkwok opened this issue Dec 15, 2022 · 1 comment
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@MengzhangLI

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@jackkwok
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Why is the default threshold not 0.5? It defaults at 0.3.

https://github.com/overjetdental/mmsegmentation/blob/master/mmseg/models/decode_heads/decode_head.py#L109
@MengzhangLI
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Hi, sorry for late reply.

The default value 0.3 was introduced in #2016. We did not use 0.5 because we found 0.5 performed very bad, worse than 0.3 in many cases. You can try other values for free if you want because there is no conclusion that 0.3 is best.

Best,

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@jackkwok @MengzhangLI