图形学消隐实验，*方案1上下旋转，只显示可见面，函数说明：void Project(float X,float Y,float Z) 功能：根据透视或平行投影将三维点进行投影变换 入口参数：float X,float Y,float Z 返回参数：无（void）-graphics blanking experiment, * a program next rotation, only to be met, function : void Project (float X, Y flo

基于提升小波变换的SPIHT图像压缩算法，包含有Spiht和3D-Spiht压缩算法的实现，供大家参考。-wavelet transform based on lifting the SPIHT image compression algorithm, includes Spiht and 3D-Spiht achieve compression algorithm, for your reference.