Point-Based Global Illumination (PBG)

Point-Based Global Illumination (PBG)

Point-Based Global Illumination (PBG)

Point-Based Global Illumination (PBG) is a rendering technique used in computer graphics to simulate the complex interactions of light in a virtual environment. This method calculates the indirect lighting effects in a scene by tracing rays from the light sources and bouncing them off surfaces to create realistic lighting and shadows.

PBG is based on the concept of gathering points in the scene that represent the light distribution and using them to estimate the illumination at any given point. By storing these points in a data structure, PBG can efficiently calculate the indirect lighting effects without the need for complex ray tracing calculations for every pixel in the scene.

One of the key advantages of PBG is its ability to accurately simulate global illumination effects such as color bleeding, soft shadows, and ambient occlusion. This results in more realistic and visually appealing images compared to traditional rendering techniques.

Overall, Point-Based Global Illumination (PBG) is a powerful tool in the field of computer graphics that allows for the creation of highly realistic and immersive virtual environments by accurately simulating the behavior of light in a scene.

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