How can I use my data set to get "rotation" in Transforms_train.json?

waczjoan / gaussian-mesh-splatting

Other

275 stars 12 forks source link

How can I use my data set to get "rotation" in Transforms_train.json? #9

Closed kikiwxalynika closed 2 months ago

kikiwxalynika commented 3 months ago

Hi, I want to complete the process using my own data set. But the transforms.json we get from colmap does not contain the rotation parameter in hotdog's transforms_train.json. How can I get rotation? Thanks!

piotr310100 commented 3 months ago

Hi, the rotation parameter in transforms_train.json is not used by us in nerf synthetic (e.g. hotdog) datasets. If in transforms.json you have a transformation matrix you should be able to run the code on your dataset. The rotation parameter used in CameraInfo can be then obtained from this matrix as shown here https://github.com/waczjoan/gaussian-mesh-splatting/blob/7a16646828e9d43bb738ef92ba498838c755db66/scene/dataset_readers.py#L197