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Some random points in depth wrapping #32

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irimsky opened this issue Apr 29, 2024 · 5 comments
Closed

Some random points in depth wrapping #32

irimsky opened this issue Apr 29, 2024 · 5 comments

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@irimsky
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irimsky commented Apr 29, 2024

Hello, your dataset is a great job and I am testing on it.
I have tried the depth wrap script example you gave in repo. However I found when reprojecting, there are some random noisy points away from the original model just like the picture below:
image

I tried different models and different angels, and the I got the same result. I have no idea what causes this.

@irimsky
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irimsky commented Apr 29, 2024

I may find out the reason. I debugged by writing out the original uv coords of these random points, and found that they all belong to the edge of model. And their depth are all have a sharp descend like this:

image image

Did you ever do any anti-aliasing on your normal and depth data?

@lingtengqiu
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Hi,
The error is caused by single-direction projection. you can smooth the projection error with a high-freq filter.

@irimsky
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irimsky commented May 6, 2024

what is 'single-direction projection' ? And I am trying to get the 3d coordinates of these points. A simple filtering cannot solve this 3d random points.

@yjb6
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yjb6 commented Aug 15, 2024

I found the same problem here, do you get any good solutions? thanks [#51]

@irimsky
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irimsky commented Aug 15, 2024

I found the same problem here, do you get any good solutions? thanks [#51]

Not yet. I have found another similar dataset called Cap3D

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3 participants