Aiming at this problem, log-polar algorithm was introduced.A new scene matching method was proposed, based on log-polar transformation, which had such trait as invariance to rotation.

 
  • 针对这个问题,引入对数极坐标变换运算,根据它的旋转不变性,提出了一种新的基于对数极坐标变换的景象匹配方法。
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