单摄像头平面点定位算法，基于opencv，c和c++交叉编译，简单明了，必须已知高度信息，可以考虑同时用超声波定高实现-Planar point location algorithm for single-camera based on opencv, c and c++ cross compiler, simple, must be known to a high degree of information, you can consider while using ultrasonic se