特征空间、几何变换、相似性测度以及优化算法是设计医学图象配准方法时要考虑的四个主要因素。
Many investigator explore in the domain. Medical images registration methods have four main factors: features space, geometry transformation, similarity, and optimizing algorithm.
这类滤波器不仅可以有效地抑制图象中的噪声，而且较好地保持了图象的几何特征。
They can not only efficiently suppress noise in the image but also preserve the geometrical features of the image.
本文利用图象的几何特征，提出了一种二值图象无失真快速编码算法。
In this paper, a fast noiseless coding technique for binary images is proposed. This technique makes use of the geometric features of images.
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