Some visibility culling algorithms like the one based on cell and portal can be used to accelerate it.

这就需要一些方法加速对大规模场景的渲染，如可见性裁减等。

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Visibility culling is a fundamental problem in computer graphics as well as a key technique in virtual reality engine.

可见性裁减是计算机图形学的基本问题，也是虚拟现实引擎中的一个关键技术。

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Visibility culling is a fundamental problem in computer graphics as well as a key technique in virtual reality engine.

可见性裁减是计算机图形学的基本问题，也是虚拟现实引擎中的一个关键技术。

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