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ply file is very bad made by metric3d with droid, but very well by metric3d #2

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qiuhaining opened this issue May 6, 2024 · 3 comments

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@qiuhaining
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qiuhaining commented May 6, 2024

good
bad_ply

@Jianxff
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Jianxff commented May 6, 2024

As I known, metric3d generate pointcloud with single image and depth map, while DROID-SLAM do it with all images and trajectory. If the pointcloud by droid+metric looks bad, I think it may be caused by the following reason:

  • Bad depth estimation
  • Very long trajectory may aggravate the drift, which make the reconstruct tion worse
  • The pointcloud by droid-slam is under opencv coordinate, but Meshlab is on opengl coord. Try adjust your view camera.

@liuyq055
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liuyq055 commented Sep 9, 2024

I'm experiencing the same thing, have you solved it yet?

@Jianxff
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Jianxff commented Sep 9, 2024

Hi, as not enough infomation is provided to solve the question, check that first: #9

BTW, too much moving objects will also makes it worse.

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