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基于线特征和控制点的可见光和SAR图像配准

DOI: 10.3724/SP.J.1004.2012.01968, PP. 1968-1974

Keywords: 图像配准,控制点,线特征,自适应多尺度快速Beamlet变换,特征一致

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Abstract:

?以具有典型人造目标的可见光和SAR(Syntheticapertureradar)图像为研究对象,提出一种自适应多尺度快速Beamlet变换方法提取人造目标在可见光和SAR图像的共有特征---线特征,并基于线特征构造控制点,设计了一种基于控制点特征的匹配度函数,采用基于特征一致的粗配准和基于控制点的精确配准方法,对待配准图像实现由粗到精的自动配准.实验表明,在可见光和SAR图像存在较大灰度差异、旋转和平移的情况下,该算法仍然能够精确配准图像.

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