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非真实感绘制

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标准着色(左)和NPR着色(使用卡通渲染)(右)

非真实感绘制Non-photorealistic rendering,NPR)是计算机图形学的一类,主要模拟艺术式的绘制风格,也用于发展新绘制风格。和传统的追求真实感的计算机图形学不同,NPR受到油画素描技术图纸英语Technical illustration,和动画卡通英语Animated cartoon的影响。NPR已经以“卡通渲染”的形式出现在电影电子游戏中,也出现在科学可视化、建筑插图和试验动画中。这个方法在现代实用的例子是卡通动画(Cel-shaded animation)。

该术语的历史

「非真实感绘制」一词最有可能首先由David Salesin和Winkenbach在1994年的一篇论文中创造。其他相近的名詞有「艺术绘制(Artistic rendering)」、「非真实绘制(Non-realistic rendering)」或「基于艺术的绘制(Art-based rendering)」。

3D

三维NPR是视频游戏和电影中最常见的风格。

2D

二维NPR系统的输入通常是图像或视频。输出通常是输入图像的艺术渲染(例如,水彩画、绘画或草图风格),不过一些2D NPR用于非艺术目的,例如数据可视化。

艺术渲染

艺术渲染是视觉艺术风格在渲染中的应用。

参考

进一步阅读

NPR发展过程中的一些关键论文如下:

  • "Paint by Numbers: Abstract Image Representations", by Paul Haeberli, SIGGRAPH 90
  • "Comprehensible rendering of 3-D shapes", by Saito and Takahashi, SIGGRAPH 90
  • "Computer-Generated Pen-and-Ink Illustration", by Winkenbach and Salesin, SIGGRAPH 94
  • "Interactive Pen-and-Ink Illustration", by Salisbury, Anderson, Barzel, Salesin, SIGGRAPH 94
  • "Painterly Rendering for Animation", by Barb Meier, SIGGRAPH 96

外部链接

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非真实感绘制
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