实时 的高 真实感图像绘制是计算机图形学 中 的主要难题之一，传统 的方法难以在提供 真实感图像绘制结果 的同时保证足够 的绘制速度。
Real-time realistic image rendering is one of the most important and difficult problems in Computer Graphics, previous methods cannot provide highly realistic image in real time.
提出了一种新的基于图像的方法来实现真实感雨景的绘制。
This paper proposes a new method to render photo-realistic rain by image based methods.
根据计算出的坦克和地面接触后达到热平衡时的温度场分布，绘制出真实感较强的坦克与背景的红外合成图像。
Then we calculate the re-distribution of temperature field after the tanks passing through and draw the infrared synthesis images of tanks and its underlying ground.
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