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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Path planning is also one key aspect in virtual reality engine. One of its application automatic navigation of virtual camera is a useful technique, and worth studying.

路径规划也是虚拟现实引擎里一个重点，其中虚拟场景中的摄像机自动导航是一个具有实用价值的研究方向。

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The teams recommended a variety of improvements in lightweight composite structures, heat- and stress-tolerant engine materials, and aerodynamic modeling that can help bring their ideas to reality.

这些团队为轻比重的合成材料结构、耐热和耐应力的发动机材料、有助于实现其设想的空气动力学模型提出了不同的改进建议。

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Ideal for viewing content from any source, the XBR-HX950 LED Internet TV includes the X-Reality PRO Engine, a two-chip digital video processor that optimizes any type of HD, SD or low-resolution Internet video.

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For example, the 4K X-Reality PROTM picture engine reduces visual noise and corrects image shapes.

ENGADGET: Sony announces 65-and 55-inch Ultra HD TVs at CES: arriving this spring, pricing a mystery

The W series of LED BRAVIA televisions includes the KDL-W650A, KDL-W802A and KDL-W900A. All models are Wi-Fi enabled, with the W900A TV incorporating NFC features of the X- series, TRILUMINOS display, X-Reality PROTM picture engine and active 3D capability.

ENGADGET: Sony announces 65-and 55-inch Ultra HD TVs at CES: arriving this spring, pricing a mystery