基于视觉传达技术的舰船三维图像自动重构系统

Automatic reconstruction system of ship 3d image based on visual communication technology

为提高舰船监测质量,获取更多的监测信息,进行舰船三维图像重构是必要的。基于该背景,设计视觉传达技术的舰船三维图像自动重构系统。在结合B/S三层架构的基础上,设计系统框架结构,包括前端硬件采集层,后台软件运行层,二者之间通过无线通信系统连接,在前者完成数据采集之后传输到后者。利用激光雷达采集舰船点云数据,利用CCD相机采集舰船纹理数据,完成舰船视觉图像采集传输单元设计。基于视觉传达设计后台软件处理单元,包括点云数据处理子程序、关键点云提取子程序、点云配准子程序以及三维视觉传达模型构建子程序。结果表明:本文系统应用下,重构的舰船三维图像信噪比达到最大值(26.32 dB),X,Y,Z三个方向上的平均误差值达到最小值(0.021 m、0.018 m、0.017 m),由此说明本文系统重构的三维图像更加清晰,准确度更高。

In order to improve the ship monitoring quality and obtain more monitoring information,it is necessary to reconstruct the ship 3D image.Based on this background,an automatic reconstruction system of ship 3D image using visual communication technology is designed.On the basis of combining the B/S three-tier architecture,the system framework is designed,including the front-end hardware acquisition layer and the background software operation layer.The two are connected through the wireless communication system.After the former completes the data acquisition,it is transmitted to the latter.The laser radar is used to collect the ship point cloud data,and the CCD camera is used to collect the ship texture data to complete the design of the ship visual image acquisition and transmission unit.The background software processing unit is designed based on visual communication,including point cloud data processing subprogram,key point cloud extraction subprogram,point cloud registration subprogram and 3D visual communication model building subprogram.The results show that the designed system should be as follows:the signal to noise ratio of the reconstructed ship 3D image reaches the maximum(26.32 dB),and the average error value in X,Y,Z directions reaches the minimum(0.021 m,0.018 m,0.017 m),which shows that the reconstructed 3D image of the designed system is clearer and more accurate.