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annotation tool issue #89

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hongaway opened this issue May 16, 2023 · 2 comments
Open

annotation tool issue #89

hongaway opened this issue May 16, 2023 · 2 comments

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@hongaway
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Hi,
I have some problems when I try to annotate my own dataset (collected rgb and depth images from Astra pro camera).
The pointcloud of the scene become very small, and when I want to zoom in to the scene, the pointcloud disappeared.
Is there any method to fix this? Thanks a lot.
截圖 2023-05-16 下午5 56 21

@AnasIbrahim
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Hi, sorry for the late answer. If you haven't figured it out yet. You can change the default viewpoint in the tool script. Currently, the default viewpoint is behind (-z axis) the center of the point cloud. I will add functionality to change the default viewpoint soon.

@Ethan-Zhu-code
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Ethan-Zhu-code commented Mar 9, 2024

I encountered the same issue due to an incorrect depth_scale unit in scene_camera.json of my dataset, causing the rendered point cloud to be too small and clipped when the camera moved closer. I used the depth_scale from the Realsense2 SDK, which is approximately 0.00025. The depth_scale in the code was divided by 1000, so multiplying the depth_scale in my scene_camera.json by 1000, I obtained the correct results.

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