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| 王文成,吴恩华.体绘制中基于透明度标尺的色彩合成方法.软件学报,1995,6(10):577-581 |
| 体绘制中基于透明度标尺的色彩合成方法 |
| USING TRANSPARENT DEGREE RULER TO COMPOSITE COLORS IN VOLUME RENDERING |
| 投稿时间：1994-09-24 修订日期：1994-11-24 |
| DOI： |
| 中文关键词: 科学视算，体绘制，色彩合成，透明度标尺 |
| 英文关键词:Scientific visualization,volume rendering, compositing colors,transparent degree ruler. |
| 基金项目: |
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| 摘要点击次数: 2572 |
| 全文下载次数: 2713 |
| 中文摘要: |
| 科学可视化中，体绘制是非常重要的一类方法，它的基本操作是色彩合成．本文对色彩合成过程中透明度的变化序列进行了考察，提出了一个基于透明度基准区与视点无关的透明度标尺，并将各类物质的透明度转换为基于透明度标尺的步长，使成像时的色彩合成过程省略许多重复计算，从而提高可视化效率． |
| 英文摘要: |
| Color composition is a fundamental step for direct volume rendering in scientific visualization.A new technique is proposed in this paper for compositing colors.By this method,a transparent degree ruler based on a transparent degree unit is built,and it is independent of the view point.After the transparent degrees of all media are transferred to relative steps based on the transparent degree ruler, a new compositing' color method is presented to eliminate a lot of repeated calculations to improve the efficiency of visualization. |
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