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Chapter 7. Image-based lighting
2022-08-09 05:33:00 【Captain Wang】
Image lighting technology, English for Image-based lighting, referred to as IBL, is a computer virtual scenerendering technique by putting an image using Texture Mapping technology is placed on a virtual simple geometric surface that wraps the main illuminated 3D scene (including characters, environments, props, etc.), use Global Illumination technology, which uses the virtual surface as the light source to illuminate the 3D scene, so that the rendered picture is more realistic.Like it's really in the environment the image describes.Image lighting technology is used in many films with excellent special effects, because it can simulate very realistic lighting effects, so that computer-generated images can be seamlessly integrated into the real picture, this technology is increasingly being added.into the special effects production process.
Image lighting typically usesHigh Dynamic Range Image to simulate the real ambient brightness and darkness in nature.Image lighting techniques are supported to some extent by many rendering software.As computer speed increased, image lighting techniques for real-time computing were also used in Video Games and electronic game machine.(Wikipedia)
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