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A 3D vision-based inspection method for pairwise comparison of locally deformable 3D models

机译：基于3D视觉的成对比较局部可变形3D模型的检查方法

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摘要

In this work we present a pairwise 3D vision-based inspection method for comparing locally deformable 3D models which refers to models whose parts have undergone some local deformation or change while the rest of the parts remained rigid and intact. In general, local deformations result from two types of transformations: non-volume conservative transformations caused by either the inflation or the deflation of models' parts and volume conservative transformations caused by bending, twisting, rotation or displacement of either internal or external parts of the model. The internal parts are the middle parts of an object, while the external parts are the parts on the extremity or the end of a part. We have experimented with different cases of deformations on man-made objects and mechanical parts for industrial inspection of possible defects, and for quality control purposes as well. We have also applied our pairwise comparison method on parts of the human body. Examples relevant to medical applications are the detection and inspection of a lesion which are also tested in this work. Our algorithm is not only successful for detecting local change but it also achieves high-accuracy results comparable to other well-known registration and industrial inspection techniques.
机译：在这项工作中，我们提出了一种基于成对的3D视觉检查方法，用于比较局部可变形的3D模型，该模型是指模型的零件经历了一些局部变形或变化而其余零件仍保持刚性和完好无损的模型。通常，局部变形是由两种类型的转换引起的：模型零件的充气或放气引起的非体积保守变形，以及模型内部或外部零件的弯曲，扭曲，旋转或位移引起的体积保守变形。模型。内部零件是对象的中间部分，而外部零件是末端或零件末端的零件。我们已经对人造物体和机械零件的各种变形情况进行了实验，以进行工业检查是否可能存在缺陷，以及进行质量控制。我们还将成对比较方法应用于人体的某些部位。与医学应用相关的示例是病变的检测和检查，在这项工作中也进行了测试。我们的算法不仅可以成功检测局部变化，而且还可以达到与其他著名的注册和工业检查技术相当的高精度结果。

著录项

  • 来源
    《Machine Vision and Applications》 |2015年第8期|1061-1078|共18页
  • 作者

    Sarah Ali; Zahra Toony; Denis Laurendeau;

  • 作者单位

    Department of Electrical and Computer Engineering, Laval University, Quebec G1V 0A6, Canada;

    Department of Electrical and Computer Engineering, Laval University, Quebec G1V 0A6, Canada;

    Department of Electrical and Computer Engineering, Laval University, Quebec G1V 0A6, Canada;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Inspection; Local comparison; Alignment; Deformable models;

    机译：检查;当地比较;对准;变形模型;

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