field of view (fov) and focal length
Note: aspect_ratio = tan(0.5*xfov) / tan(0.5*yfov)
f_x = (img_width / 2) / tan(xfov / 2)https://pycollada.readthedocs.io/en/latest/reference/generated/collada.camera.PerspectiveCamera.html
collada.camera.PerspectiveCamera — pycollada 0.7 documentation
Parameters: id (str) – Identifier for the camera znear (float) – Distance to the near clipping plane zfar (float) – Distance to the far clipping plane xfov (float) – Horizontal field of view, in degrees yfov (float) – Vertical field of view, in d
pycollada.readthedocs.io
Code Yarns – How to compute intrinsic camera matrix for a camera
How to compute intrinsic camera matrix for a camera 📅 2015-Sep-08 ⬩ ✍️ Ashwin Nanjappa ⬩ 🏷️ camera matrix, intrinsic camera matrix, primesense ⬩ 📚 Archive The intrinsic camera matrix is useful in depth cameras to obtain the 3D position
codeyarns.com