Ambient Occlusion

Ambient Occlusion

Ambient Occlusion

Ambient Occlusion is a rendering technique used in computer graphics to simulate how ambient light interacts with objects in a scene. It calculates the amount of ambient light that reaches a point on a surface based on the obstruction caused by nearby objects, creating more realistic and visually appealing images.

Ambient Occlusion helps to add depth and realism to 3D scenes by darkening areas where objects are close together or where surfaces meet, as these areas would naturally receive less ambient light. This technique is particularly useful in creating shadows and defining the spatial relationship between objects in a scene.

There are different methods for calculating Ambient Occlusion, including screen space ambient occlusion (SSAO), ray tracing, and ambient occlusion maps. Each method has its own advantages and limitations, but they all aim to improve the overall visual quality of rendered images by enhancing the perception of depth and lighting.

Overall, Ambient Occlusion is an essential tool in the field of computer graphics, helping artists and designers create more realistic and immersive environments in video games, movies, architectural visualization, and other digital media.

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