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Could someone explain alpha_to_8 functions to me? #880

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yeyangfang opened this issue Feb 26, 2021 · 1 comment
Open

Could someone explain alpha_to_8 functions to me? #880

yeyangfang opened this issue Feb 26, 2021 · 1 comment

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@yeyangfang
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In rc/lib/datasets/sample/ddd.py, there is a function def _alpha_to_8(self, alpha)
I am a little confused about this function. Could someone explain this to me? What's the range for input alpha?
Furthermore, how to model orientation in ddd detection?
@kshashankrao
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It is the conversion of alpha (in radians) to 8 scalars across 2 bins.

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@kshashankrao @yeyangfang