Multi-beam Sonar and Side-scan Sonar Image Co-registering and Fusing
Multi-beam Sonar and Side-scan Sonar Image Co-registering and Fusing作者机构:GPS Engineering Research Center Wuhan University Wuhan 430079 Presidential Secretariat Wuhan University Wuhan 430079
出 版 物:《Marine Science Bulletin》 (海洋通报(英文版))
年 卷 期:2003年第5卷第1期
页 面:16-23页
学科分类:082403[工学-水声工程] 08[工学] 0824[工学-船舶与海洋工程]
主 题:Multi-beam Sonar Side-scan Sonar Co-registering Fusion
摘 要:Multi-beam Sonar and Side-scan Sonar compensate each other. In order to fully utilize all information, it is necessary to fuse two kinds of image and data. And the image co-registration is an important and complicated job before fusion. This paper suggests combining bathymetric data with intensity image, obtaining the characteristic points through the minimal angles of lines, and then deciding the corresponding image points by the maximal correlate coefficient in searching space. Finally, the second order polynomial is applied to the deformation model. After the images have been co-registered, Wavelet is used to fuse the images. It is shown that this algorithm can be used in the flat seafloor or the isotropic seabed. Verification is made in the paper with the observed data.