激光扫描实时获取水下图象信息的方法与系统  

An Approach of Real-Time Acquisition of Underwater Image Information through Laser Scanning and Its Implementation

作　　者：郑冰[1] 李欣[1] 谭锐[1] 王国宇[1] 

机构地区：[1]青岛海洋大学,青岛266003

出　　处：《青岛海洋大学学报（自然科学版）》2000年第4期701-705,共5页Journal of Ocean University of Qingdao

基　　金：国家高技术研究发展计划项目!( 863 -51 2 -0 3 -0 8)

摘　　要：报道一种实时大视角、全景深获取水下图象的新方法。该方法试图解决在无人摇控潜器(ROV)和自治式潜器 (UUV)走航式获取水下清晰图象时 ,遇到的激光在水下传输过程中后向散射噪声问题 ,建立了一种具有宽视角、全景深性能的水下激光扫描系统。用这种方法和系统在空气中和水中做了大量的实验 ,并讨论了这种方法和系统的应用前景。In this paper, we describe a new method for obtaining real time, omnidepth of field underwater images, based on the laser space difference frequency scanning principle and taking into consideration the transmission properties of laser beams in seawater in undersea exploration using Remotely Operated Vehicles (ROV) and Unmanned Underwater Vehicles (UUV). In this method most of the back scattering light is avoided and the problem of wide visual field and whole depth of field is solved. The results of multifarious experiments in the water tank and air are shown. Finally, the future application of the new method and system are discussed.

关 键 词：差频扫描 后向散射 实时图象 激光扫描 水下图象 海水 

分 类 号：P733.33[天文地球—物理海洋学]