激光技术与北斗定位相融合的三维实景建模系统

3D real scene modeling system based on laser technology and Beidou Positioning

为了获得理想的三维实景建模效果,设计了激光技术与北斗定位相融合的三维实景建模系统。采用激光扫描采集实景信息,根据激光与北斗定位系统数据的特点,对数据处理芯片展开优化,并在数据传输设备中增设功率放大电路,使用配准单元完成点云数据的匹配工作,根据处理后的数据设计纹理映射算法,并设计了三维实景建模流程。系统测试结果表明,系统的建模与实景相似度一直保持在95%以上、点云匹配的精度保持在85%以上,三维实景建模性能明显优于对比系统。

In order to obtain ideal effect of 3D real scene modeling, a 3D real scene modeling system based on laser technology and Beidou Positioning is designed. According to characteristics of laser and Beidou Positioning System data, data processing chip is optimized, and power amplifier circuit is added in data transmission equipment. The registration unit is used to complete point cloud data matching. According to the processed data, texture mapping algorithm is designed, and three-dimensional real scene modeling process is designed. The system test results show that the similarity between modeling and real scene of this system has been maintained at more than 95%, the accuracy of point cloud matching has been maintained at more than 85%, and the performance of 3D real scene modeling is significantly better than that of comparison system.