基于互信息的刚性配准医学图像配准技术是今年来医学图像处理领域中的重要研究问题，推崇寻找某种适当的空间变换，使两幅图达到空间位置上的定位和配准，进而进行图像融合。医学图像配准在临床诊断、治疗、质量保证和疗效评价等方面具有重要的应用价值。-Mutual information-based rigid registration of medical image registration technology to medical image processing field this year, an important research questions, praises to find a suitable space transformation, the two plans to locate on the spatial location and registration, then the image fusion. Medical image registration in the clinical diagnosis, treatment, quality assurance and efficacy evaluation has important applications.