利用Visual C++编写的Cohen_Sutherland直线裁剪算法演示程序，图形界面，可以拖拉画直线，裁剪窗口大小可以自由变换，也可以准确定位输入直线和点-The use of Visual C++ Prepared Cohen_Sutherland line clipping algorithm demo program, graphical interface, you can drag and drop drawing a straight line, cutting window

脆弱水印提取算法，与embed.rar中的嵌入算法相对应，可以提供较好的篡改定位-Fragile watermark extraction algorithm, and embed.rar correspond to the embedding algorithm can provide better tamper positioning

计算几何中使用梯形图的点定位算法实现，界面为win32-Use in computational geometry ladder point positioning algorithm

Trilateration is the name given to the Algorithm used in Global Positioning System (GPS) technology to localize the position of a Transmitter/Receiver station (also called a Blind Node) in a 2D plane, using the positional knowledge of three non-linea