Research On Multiple Targets Positioning Technology Within A Short Distance Plane

Plane Virtual Scene Input System is a comprehensive input system integrating computer science technology,indoor positioning technology and sensor technology,which allows the accurate input from equipment by tracking and positioning target on the input plane from user as well as application system interface in the virtual scene.It relies on multi-plane positioning technology and VR technology,providing user with practical and real gaming scene with high sense of experiencing.By using plane positioning system as input equipment,versatile and flexible input methods are brought into application.This thesis compares several indoor positioning technologies,and uses lidar as positioning system sensor,accomplishing target scanning and data-acquisition to multiple targets in one plane.First of all,pre-processing acquired data,such as coordinate system transfer,is conducted;then,cross-calculation follows based on the cross-positioning from different sensors;lastly,abnormal data analysis and error analysis of the calculation results are to achieve better target position estimation with higher accuracy.Game application logic and plot are designed.By using gaming scene modeling and programming in Unity 3D developing tool,loading processed positioning data into Unity 3D scene,the information can be exchanged between positioning system and game application,by which user moves target in the plane to change position of “trap point” in the virtual scene and accomplishes the execution of game application.By the test of game application positioning system,we can come to a conclusion that,using bi-lidar sensor can locate the positions of multiple targets.Loading the post-processed data from positioning system into game application response speed;bi-lidar sensor positioning system can be applied to game application and virtual training,which will have a decent development prospect in the military,medical and industry fields.