Torsten Sattler
Ah, sorry, I meant column vector. R and the quaternion both define the rotation from the global coordinate system of the 3D model into the local camera coordinate system. Is...
Not sure what you mean by "rotation in world-orientation". A rotation is a transformation from one coordinate system to another. R will give you the transformation from global / world...
I am not sure I understand your question. Are we talking about rotation matrices? In this case, you get the rotation matrix from the world to local camera coordinate system...
If you are looking for a different representation for the rotation, e.g., Euler angles (I would assume that in your example `(180, 0, 0)` are Euler angles), you can extract...
In which format is your pose given?
Are you sure it is quaternions since only three entries are given?
It seems that your database only contains a single image. A single image is not sufficient to run structure-from-motion.
@hust-kevin Can you show the output of Colmap?
Can you also show the output of the sparse reconstruction stage? Looking at the feature extraction process, it seems that very few features are found per image. I assume that...
When you are compiling Colmap, does CMake find the CUDA installation?