Lagrangian frame diffeomorphic image registration: Morphometric comparison of human and chimpanzee cortex
Lagrangian frame diffeomorphic image registration: Morphometric comparison of human and chimpanzee cortex
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DOI：
10.1016/j.media.2005.03.005
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发表时间：
2006-06-01
影响因子：
10.9
通讯作者：
Gee, James C.
中科院分区：
文献类型：
--
作者：
Avants, Brian B.;Schoenemann, P. Thomas;Gee, James C.
提出了一种新的拉格朗日参考系微分同胚图像和地标配准方法。该算法使用固定的拉格朗日坐标系来定义坐标系之间的映射，并生成并存储从欧拉坐标系到拉朗日坐标系的逆映射。计算这两个映射可以方便地计算欧拉量和拉格朗日量。我们应用这个算法来估计黑猩猩种群和人类大脑皮层之间的坐标可能的进化变化。物种间的功能同源基因明确地确定了它们所在的位置，而图像的相似性则指导着其他地方的比对。这张地图可以详细研究黑猩猩和人类皮质之间的体积变化。我们不是将物种间研究建立在单个物种图谱上，而是将每一组的平均形状和强度模板以不同的形式联系起来。然后，人类的统计数据以不同的形式映射到黑猩猩皮质的空间，提供了物种之间的比较。种群统计数据显示，与黑猩猩相比，人类的相对前额叶大小显著增加了一倍。(C)2005 Elsevier B.V.保留所有权利。
We develop a novel Lagrangian reference frame diffeomorphic image and landmark registration method. The algorithm uses the fixed Langrangian reference frame to define the map between coordinate systems, but also generates and stores the inverse map from the Eulerian to the Laarangian frame. Computing both maps allows facile computation of both Eulerian and Langrangian quantities. We apply this algorithm to estimating a putative evolutionary change of coordinates between a population of chimpanzee and human cortices. Inter-species functional homologues fix the map explicitly, where they are known, while image similarities guide the alignment elsewhere. This map allows detailed study of the volumetric change between chimp and human cortex. Instead of basing the inter-species study on a single species atlas, we diffeomorphically connect the mean shape and intensity templates for each group. The human statistics then map diffeomorphically into the space of the chimpanzee cortex providing a comparison between species. The population statistics show a significant doubling of the relative prefrontal lobe size in humans, as compared to chimpanzees. (c) 2005 Elsevier B.V. All rights reserved.