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sxyu committed Jan 15, 2023
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Expand Up @@ -156,13 +156,11 @@ First make sure you have colmap installed. Then
Where `<img_dir>` should be a directory directly containing png/jpg images from a
normal perspective camera.
UPDATE: `--noradial` is recommended since otherwise, the script performs undistortion, which seems to not work well and make results blurry.
Support for the complete OPENCV camera model which has been used by more recent projects would be welcome
https://github.com/google-research/multinerf/blob/1c8b1c552133cdb2de1c1f3c871b2813f6662265/internal/camera_utils.py#L477.
For custom datasets we adopt a data format similar to that in NSVF
<https://github.com/facebookresearch/NSVF>

**Update:** I found that the original release which uses colmap's undistorter made custom scene results much worse. There might be some issue here, but the current version does not use the undistorter.
Supporting a full OPENCV camera model should be fairly easy, as done in nerfstudio and multi-nerf
https://github.com/google-research/multinerf/blob/1c8b1c552133cdb2de1c1f3c871b2813f6662265/internal/camera_utils.py#L477


You should be able to use this dataset directly afterwards. The format will be auto-detected.

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