ASIA unversity:Item 310904400/8698
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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/8698


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    题名: 3D registration of human face using evolutionary computation and Kriging interpolation
    作者: Chang, Yau-Zen;Tsai, Zhi-Ren;Lee, Shih-Tseng
    贡献者: Department of Computer Science and Information Engineering
    关键词: Calculations;Medical applications;Trees (mathematics);Evolutionary computation;Human face registration;Image-guided therapy;Iterative closest point;Kriging model
    日期: 2008
    上传时间: 2010-04-07 21:27:28 (UTC+8)
    出版者: Asia University
    摘要: This paper proposes a fast and robust 3D human face geometric data registration strategy dedicated for image-guided medical applications. The registration scheme is composed of a coarse transformation stage and a fine-tuning stage. In the first stage, fuzzy c-mean is used to reduce the data amount of template 3D image, and evolutionary computation is implemented to find optimal initial pose for the Iterative Closest Point plus k-dimensional (KD) tree scheme. In the second stage, the huge reference image data are replaced by a Kriging model. The time-consuming search for corresponding points in evaluating the degree of misalignment is substituted by projecting the points in the template image onto the model. To illustrate the validity and applicability of the proposed approach, a problem composed of 174 635 points reference image and an 11 280 points template image is demonstrated. Computational results show that our approach accelerates the registration process from 1361.28 seconds to 432.85 seconds when compared with the conventional ICP plus K-D tree scheme, while the average misalignment reduces from 11.35 mm to 2.33 mm. © International Symposium on Artificial Life and Robotics (ISAROB). 2008.
    關聯: Artificial Life and Robotics 13:242-245
    显示于类别:[資訊工程學系] 期刊論文

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