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基于视觉特征的多传感器图像配准

DOI: 10.11834/jig.200506150

Keywords: 图像配准,形状特征,特征匹配,多分辨率表达

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Abstract:

多传感器图像配准在空间图像处理中有非常重要的应用价值,但同时也面临着多源空间数据各异性困难。考虑到图像配准过程中的多分辨率视觉特征,采用基于小波的多分辨率图像分解来指导从粗到细的配准过程,利用扩展的轮廓跟踪算法提取满足视觉特征的轮廓,在轮廓链码曲率函数的基础上实现基于傅里叶变换的多分辨率形状特征匹配。与已有的基于特征的图像配准算法进行实验比较,实验结果表明该方法对于从多传感器得到的异质图像具有良好的配准效果。

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