Ray-casting algorithm is that ray passes volume cell of data field, sampling relative pels color to form video image.
光线投影算法将光线穿过数据场中的体元,采样得到相关象素的颜色, 形成可视图。
The spatial structure method is a classified method that is make use of relationships between pels and neighbour pelsis.
局部结构法是利用象元本身与周围象元之间的关系进行分类的一种方法。
Objective Based on a computerized color object segmentation technology, a novel ultrasonogram color flow pels quantitative analysis method is proposed.