软阴影实现源码，由ATI提供 DirectX 8.1

使用DX 实现软阴影和对阴影平滑，模糊的处理

复化三点Gauss-lengend公式求pi，比较了软阈值，硬阈值及当今各种阈值计算方法,考虑雨衰 阴影 和多径影响。- Complex of three-point Gauss-lengend the Formula pi, Comparison of soft threshold and hard threshold and today various threshold calculation method, Consider shadow rain attenuation and mul

人脸识别中的光照处理方法，比较了软阈值，硬阈值及当今各种阈值计算方法,考虑雨衰 阴影 和多径影响。- Face Recognition light treatment method, Comparison of soft threshold and hard threshold and today various threshold calculation method, Consider shadow rain attenuation and multipath effect.