该改进的简化算法不仅能减少模型中的三角形数目和保持模型拓扑结构，而且实现简单、速度快。
This improved algorithm can not only decimate the number of triangles of models and keep the topology of models but also achieve higher rendering speed.
以三角形靶标的视觉锐度为基准，设计了无缝三角形网格划分算法，对典型识别概率的实测红外目标图像进行了等效三角形划分，确定了目标对应的等效三角形数目；
The infrared target in the real background were closely meshed into many equivalent triangle patterns by considering visual acuity, and the number of triangle pattern was statistically determined.
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