随着数字化应用技术和电视、电影工业的发展,大规模虚拟场景渲染越来越广泛地应用到数字工业上, 已成为计算机图形学和计算机视觉的重要组成部分.主要介绍复杂场景的高清渲染技术,并较系统地回顾高效渲染技术如GPU协同计算及渲染和无缝LOD渲染,侧重讨论视频超分辨技术和前景抠取技术,具体指出现有的渲染技术存在的一些困难和未来的发展方向.%With the development of film industry and digitalization technology, the modeling and rendering of large-scale virtual scenes are widely applied to digital industry, playing important roles in computer graphics and computer vision. This paper introduces the technique of high-definition rendering of complex scenes. Efficient rendering technique such as GPU rendering and seamless LOD rendering are introduced, followed by video super-resolution technique and foreground matting technique. In the end,some technical difficulties and promising future directions are expounded.
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