C++ opencv Quaterniond

OpenCV is an open-source computer vision and machine learning library that provides a wide range of image and video processing capabilities. It is widely used in various applications such as object detection, face recognition, and video tracking.

Quaterniond is a class in the Eigen library, which is a C++ template library for linear algebra. It provides a convenient way to work with quaternions, which are a type of hypercomplex number used to represent rotations in 3D space. The Quaterniond class allows you to easily create, manipulate, and transform quaternions using a variety of methods such as multiplication, addition, and conjugation.

OpenCV does not have built-in support for quaternions, but you can use the Quaterniond class from the Eigen library in combination with OpenCV to perform 3D rotations and transformations on images and video frames.