室外场景的光照模拟与图象合成的难点在于场景与光照的复杂性。
Lighting simulation and image synthesis for outdoor scenes is intractable due to the geometric and lighting complexity of such environment.
而光线追踪是传统真实感图象合成的经典方法，能够精确模拟出景物的光照效果。
Ray tracing is a classic method in synthesizing photorealistic image, It can accurately simulate the lighting effect of the whole scene.
而光线追踪是传统真实感图象合成的经典方法，能够精确模拟出景物的光照效果。
Ray tracing is a classic method in synthesizing photorealistic image, It can accurately simulate the lighting effect of the whole scene.
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