Ambient Occlusion is a relatively new algorithm proposed in recent years. This algorithm can improve the reality of the scenes quite a lot. It considers the occlusion among objects. You can treat it as ambient shadows.
Let me post my demo images here:
No Ambient Occlusion, 3x Anti-Aliasing – 5.02 s:
Ambient Occlusion, 3x Anti-Aliasing – 88.97 s:
As shown, Ambient-Occlusion makes the objects more realistic. However, since it adds more computation on each pixel, it slows down the performance quite a lot.
本文介绍了近年来提出的环境光遮蔽算法,该算法通过考虑物体间的遮挡效果来提升场景的真实感,使得渲染的物体更加逼真。然而,由于该算法在每个像素上增加了额外的计算,因此会显著降低性能。


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