阳凡林, 吴自银, 独知行, 金翔龙. 多波束声纳和侧扫声纳数字信息的配准及融合[J]. 武汉大学学报 ( 信息科学版), 2006, 31(8): 740-743.
引用本文: 阳凡林, 吴自银, 独知行, 金翔龙. 多波束声纳和侧扫声纳数字信息的配准及融合[J]. 武汉大学学报 ( 信息科学版), 2006, 31(8): 740-743.
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YANG Fanlin, WU Ziyin, DU Zhixing, JIN Xianglong. Co-registering and Fusion of Digital Information of Multi-beam Sonar and Side-scan Sonar[J]. Geomatics and Information Science of Wuhan University, 2006, 31(8): 740-743.
Citation: YANG Fanlin, WU Ziyin, DU Zhixing, JIN Xianglong. Co-registering and Fusion of Digital Information of Multi-beam Sonar and Side-scan Sonar[J]. Geomatics and Information Science of Wuhan University, 2006, 31(8): 740-743.
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多波束声纳和侧扫声纳数字信息的配准及融合

Co-registering and Fusion of Digital Information of Multi-beam Sonar and Side-scan Sonar

    摘要
  • 摘要: 提出了基于等深线和轮廓线的同名特征点配准法,它组合测深数据和回波强度图像信息,从等深线和轮廓线段中提取特征点,对同名特征点使用二次多项式拟合方法确定变形模型,实现不同数据源的配准。使用小波进行融合处理,采用交叉熵对结果进行评价。用模拟数据进行了验证,取得了理想的效果。

     

    Abstract: The bathymetry data combined with intensity image are presented,and the feature points are obtained through the minimal angles of lines,then the corresponding image points are decided by the maximal correlate coefficient in searching space.Finally,the second order polynomial is used to simulate the deformation model.After imagery has been co-registered,wavelet is used to fuse imagery.It is shown that this algorithm can be used in the flat seafloor or the isotropic seabed.Some examples have been given.

     

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