instant-ngp method not work properly

[yzslab]

Describe the bug Hi, I used instant-ngp method to train unbounded scenes, but only some "cloud" can be seen after finishing training.

Here is an video.

To Reproduce Steps to reproduce the behavior:

1. Use the latest commit of NeRFStudio (df784e9)
2. Download Family image set from here, then run ns-process-data images ...
3. Start training: ns-train instant-ngp --data dataset/Family
4. Open the viewer page, you can see the blurry result and it will become more and more blurry as the iterations increased.

[tancik]

Can you try training with the nerfacto model to see if you get similar artifacts.

[yzslab]

Can you try training with the nerfacto model to see if you get similar artifacts.

Hi, the nerfacto model works well, no artifacts.

[ksnzh]

I also observed that old version nerfstudio instant-ngp works well, but the current version does not work on the same capture. You can try 0.1.6.

[yzslab]

I also observed that old version nerfstudio instant-ngp works well, but the current version does not work on the same capture. You can try 0.1.6.

Thanks for your advice! I will try it later.

[jkulhanek]

Could you please try running ingp with nerfstudio-data loader?

[yzslab]

Could you please try running ingp with nerfstudio-data loader?

Hi, I tried ns-train instant-ngp --data dataset/Family nerfstudio-data just now, it produced the same result that full of artifacts.