The contradiction between the realistic and real-time of the shadow rendering algorithm has been a fundamental and difficult problem in computer graphics and virtual reality technology.
阴影绘制算法的真实感和实时性之间的矛盾，是计算机图形学和虚拟现实技术目前所要解决的一个基本难题。
With the era of programmable graphics hardware, shader replaces the traditional fixed rendering pipeline to achieve more realistic effects.
随着可编程图形硬件时代的到来，着色器替代了传统的固定渲染管线以实现更加逼真的图像效果。
All of the above set great demand for the development of computer graphics, image processing, virtual reality, computer vision and photo-realistic rendering.
所有的一切，都对计算机图形学、图像处理、虚拟现实、计算机视觉以及真实感绘制等相关学科提出了更高的要求。
How to render fast and get more realistic image are two basic issues of computer graphics rendering.
如何提高图形的渲染效率和如何得到具有真实感的图象是图形渲染的两个基本问题。
Scientific visualization, computer animation and virtual reality are the three focuses of modern computer graphics, and 3D realistic image rendering is the core of the three focuses.
科学计算可视化，计算机动画和虚拟现实是现代计算机图形学的三个热点，而这三个热点的核心都是三维真实感图形的绘制。
The depth-of-field effect can improve the realistic sense of a computer-generated image, and thus rendering of this effect has become one of the important research topics in computer graphics.
景深效果能够增强计算机生成图像的真实感，因此关于这类效果的绘制已成为计算机图形学中的重要研究方向。
Real-time realistic image rendering is one of the most important and difficult problems in Computer Graphics, previous methods cannot provide highly realistic image in real time.
实时的高真实感图像绘制是计算机图形学中 的主要难题之一，传统 的方法难以在提供 真实感图像绘制结果 的同时保证足够 的绘制速度。
Realistic rendering of complex natural scenes is a challenging research topic in computer graphics.
生成高度真实感的虚拟自然场景一直是图形学研究领域中的一个富有挑战性的难题 。
Realistic rendering of complex natural scenes is a challenging research topic in computer graphics.
生成高度真实感的虚拟自然场景一直是图形学研究领域中的一个富有挑战性的难题 。
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