Why do color images contain so much noise? Are there clearer color images?

Thanks for your great work!
I have extracted the color images from .sens file, according [python Data Exporter](https://github.com/ScanNet/ScanNet/tree/master/SensReader/python) 

But the extracted color images contain much noisy. Are there clair color images?

The extracted color images: 
![0](https://github.com/user-attachments/assets/60fd1e90-6f3a-4d8f-91ce-634db815a088)