Subdivision meshes for organizing spatial biomedical data.

Subdivision meshes for organizing spatial biomedical data.
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DOI:
10.1016/j.ymeth.2009.07.012
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发表时间:
2010-02
期刊:
影响因子:
4.8
通讯作者:
Kakadiaris, Ioannis
Kakadiaris, Ioannis
中科院分区:
生物学3区
文献类型:
--
作者:
Ju, Tao;Carson, James;Liu, Lu;Warren, Joe;Bello, Musodiq;Kakadiaris, Ioannis

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随着生物医学图像和体积的收集速度越来越快,越来越需要有效的手段来组织空间信息进行比较分析。在许多情况下,例如通过原位杂交确定基因表达模式,图像是从多个受试者在一个共同的解剖区域,如大脑。比较来自不同图像的空间数据的一个基本挑战是如何考虑对象之间的形状变化,这使得直接的图像到图像的比较毫无意义。在本文中,我们描述细分网格作为一种几何手段,有效地组织从不同的主题收集的2D图像和3D体积进行比较。为此目的的细分网格的主要优点是其重量轻的几何结构和解剖边界的显式建模,这使得有效和准确的配准。细分网格的多分辨率结构还允许在配准的图像和体积之间开发快速比较算法。
As biomedical images and volumes are being collected at an increasing speed, there is a growing demand for efficient means to organize spatial information for comparative analysis. In many scenarios, such as determining gene expression patterns by in situ hybridization, the images are collected from multiple subjects over a common anatomical region, such as the brain. A fundamental challenge in comparing spatial data from different images is how to account for the shape variations among subjects, which make direct image-to-image comparisons meaningless. In this paper, we describe subdivision meshes as a geometric means to efficiently organize 2D images and 3D volumes collected from different subjects for comparison. The key advantages of a subdivision mesh for this purpose are its light-weight geometric structure and its explicit modeling of anatomical boundaries, which enable efficient and accurate registration. The multi-resolution structure of a subdivision mesh also allows development of fast comparison algorithms among registered images and volumes.
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