Experimentation of structured light and stereo vision for underwater 3D reconstruction
Experimentation of structured light and stereo vision for underwater 3D reconstruction
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DOI：
10.1016/j.isprsjprs.2011.02.009
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发表时间：
2011-07-01
影响因子：
12.7
通讯作者：
Razionale, A. V.
中科院分区：
文献类型：
--
作者：
Bruno, F.;Bianco, G.;Razionale, A. V.
目前对水下三维成像方法的研究主要针对远距离应用，如海底测绘或考古遗址和沉船调查。最近，在一些应用领域，例如监测珊瑚礁的生长或重建在大多数情况下无法从海底打捞出来的水下考古碎片，对更容易获得和更精确的近距离3D获取技术的需求越来越大。本文介绍了一个研究项目的第一个结果，该项目旨在研究在水下环境中使用主动光学技术进行全场3D重建的可能性。在这项工作中，我们测试了一种经常用于空中采集的光学技术，该技术基于立体视觉系统采集的结构照明图案的投影。我们描述了用于水下试验的实验装置，这些试验是在不同浑浊条件的水箱中进行的。测试证明，尽管存在严重的散射和吸收效应，但即使在高浊度值的情况下，3D重建的质量也是可以接受的。(C)2011年国际摄影测量和遥感学会(摄影测量和遥感学会)。爱思唯尔出版，版权所有。
Current research on underwater 3D imaging methods is mainly addressing long range applications like seafloor mapping or surveys of archeological sites and shipwrecks. Recently, there is an increasing need for more accessible and precise close-range 3D acquisition technologies in some application fields like, for example, monitoring the growth of coral reefs or reconstructing underwater archaeological pieces that in most cases cannot be recovered from the seabed. This paper presents the first results of a research project that aims to investigate the possibility of using active optical techniques for the whole-field 3D reconstructions in an underwater environment. In this work we have tested an optical technique, frequently used for in air acquisition, based on the projection of structured lighting patterns acquired by a stereo vision system. We describe the experimental setup used for the underwater tests, which were conducted in a water tank with different turbidity conditions. The tests have evidenced that the quality of 3D reconstruction is acceptable even with high turbidity values, despite the heavy presence of scattering and absorption effects. (C) 2011 International Society for Photogrammetry and Remote Sensing, Inc. (ISPRS). Published by Elsevier B.V. All rights reserved.