Eight-point algorithm

The eight-point algorithm is a special way for computers to figure out where things are in a 3D world. Imagine you have a picture of a room and you want to know the exact position of each object in the room. To do this, you need at least two pictures of the same room taken from different angles.

When you take more than one picture, you can use the eight-point algorithm to figure out how the objects in the room are related to each other. This algorithm works by finding eight points in the pictures that correspond to the same point in the real world.

By knowing the positions of these points in both pictures, the algorithm can figure out how far apart the two pictures were taken from and how objects in the room are arranged in relation to each other.

This method is used in a lot of computer vision applications such as augmented reality, virtual reality, and robotics. Even though the math behind the eight-point algorithm may be difficult to understand, you can think of it as a way for computers to see the world in three dimensions just like we do with our own two eyes.