摘要
基于二次曲面的等灰度实时成像原理,将二次曲面分成直纹面和非直纹面两类,针对直纹曲面等灰度线的特点,提出了一种非常简洁、有效的二次直纹曲面的实时成像算法。该算法不仅大大提高了这类曲面的成像速度,而且简化了它与其他二次曲面图元拼接形体的实时成像处理过程。
Based on the Equi intensity principle in real time imaging, the quadric surfaces are put into two categories—the ruled and the non ruled quadric surface. In accordance with the features of the Equi intensity curve on the ruled quadric surface, the paper introduces a real time imaging algorithm, which not only increases the imaging speed greatly but also simplifies the real time imaging process of piecing it together with other solid objects having two kinds of quadric surfaces.
出处
《中国民航学院学报》
1999年第3期30-34,共5页
Journal of Civil Aviation University of China
基金
中国民航总局教育研究项目
关键词
二次曲面
直纹面
光照模型
等灰度线
实时成像
quadric surface
ruled surface
shading model
Equi intensity curves
real time imaging