I am interested in using Metashape to determine the position of a camera with respect to a terrain which I have already reconstructed using a previous set of pictures. My goal is to determine the position of a drone over a landscape with high accuracy using 4k video, so I am not interested in improving the model with the new pictures, but just want to find out the new camera coordinates and angles with high accuracy. I have been able to successfully align the new pictures by keeping the old key points, but the process is exceedingly slow for my application. I suspect that most of the time is taken by the optimization of the new tie points. Moreover, the new pictures are taken from basically the same point, which apparently gives a hard time to the alignment algorithm. I am using coded targets to improve the alignment, but the speed is still slow.
Is there a way to speed up the alignment process by just matching points and finding the camera locations while skipping other tasks like determining new tie points or optimizing the camera calibration?
I am using Metashape-pro 1.5.3
Thanks!
Rolando