What is a camera matrix OpenCV?
The camera matrix is unique to a specific camera, so once calculated, it can be reused on other images taken by the same camera. It is expressed as a 3x3 matrix: camera \; matrix = \left [ \beginmatrix f_x & 0 & c_x \\ 0 & f_y & c_y \\ 0 & 0 & 1 \endmatrix \right ]
What is camera intrinsic matrix?
Camera Intrinsic Matrix (Camera-to-Image, Image-to-Pixel): Converts points from the camera coordinate system to the pixel coordinate system. Depends on camera properties (such as focal length, pixel dimensions, resolution, etc.) Computer Vision.