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2D bounding boxes #46

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finnweiler opened this issue Jun 17, 2021 · 3 comments
Open

2D bounding boxes #46

finnweiler opened this issue Jun 17, 2021 · 3 comments

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@finnweiler
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Is there a way to extract accurate 2D bounding box data from the 3D bounding boxes?

@jianingwei
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You can fit a 2D bounding box to the projections of the 3D bounding box vertices.

@finnweiler
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You are correct, I can extract a rough 2D bounding box by drawing a box around the 3D box projection (marked in red).
My actual goal is to have an accurate 2D bounding box (marked in green).

screenshot

@jianingwei
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I'm unaware of an easy way to find the tight green bounding box from the 3D bounding box. Alternatively you can find a rotated bounding box that's fits the object tightly.

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