What is camera projections?

A camera projection is a method of projecting a 3D scene onto a 2D image plane, simulating the perspective of a real-world camera. There are several types of camera projections, including perspective projection, orthographic projection, and fisheye projection.

Perspective projection is the most common type of camera projection and simulates the way the human eye sees the world. It creates the illusion of depth and distance by distorting objects that are farther away.

Orthographic projection, on the other hand, is a type of projection that creates a flat, two-dimensional image without any perspective distortion. It is often used in technical and engineering drawings.

Fisheye projection is a type of projection that creates a distorted, circular image that simulates the effect of a fisheye lens. It is often used in photography and video to create a wide field of view.

Camera projections are used in various fields, including computer graphics, video games, and film-making. They allow artists and designers to create realistic and immersive virtual environments and to seamlessly integrate computer-generated imagery with live-action footage.