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Volume 27 Issue 4
Apr.  2001
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Journal of Beijing University of Aeronautics and Astronautics  > 2001  >  27(4): 413-416.
WANG Qiang, HU Wei-ping, HU Jian-ping, et al. 2D Object Recognition Based on Geometry Invariant and BP Network[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(4): 413-416. (in Chinese)
Citation: WANG Qiang, HU Wei-ping, HU Jian-ping, et al. 2D Object Recognition Based on Geometry Invariant and BP Network[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(4): 413-416. (in Chinese)
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2D Object Recognition Based on Geometry Invariant and BP Network

  • Beijing University of Aeronautics and Astronautics, Dept. of Computer Science and Engineering

  • Received Date: 20 Sep 2000
  • Publish Date: 30 Apr 2001
    Abstract
  • A 2D object recognition algorithm based on geometry invariant and BP Network. is proposed. It can be applied to object recognition under rotation scaling translation (RST) and projection transform. By normalizing the number of pixel in the edge of image of the object to be recognized and computing the 5-point invariant in exhausting way the problem of selecting correspond points between the training and the testing object is solved, The influence to the correct recognition of the object is removed by using 5-point invariant from different view and rotation of the object image as the training set of the BP network. These makes the algorithm can be used for the recognition of the object with curve edge.

     

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  • [1] Yoon Sung H. An optimum solution for scale invariant object recognition based on the multiresolution approximation[J]. Pattern Recognition, 1998, 31(7):889~908. [2] 张 玲,张 钹,吴福朝. 对图形识别具有平移、旋转、伸缩不变性的神经网络. 计算机学报,1998, 21(2):127~136. [3] 沈沛意,王 炜,吴正柯,等. 计算机视觉中的几何不变性及其应用[J]. 西安电子科技大学学报,1998, 25(4):490~494. [4] Sven Loncaric. A survey of shape analysis techniques[J]. Pattern Recognition, 1998, 31(8):983~1001. [5] Jeng Sheng-Ching, Tsai Wen-Hsiang. Scale and orientation invariant generalized HOUGH transform——a new approach[J]. Pattern Recognition, 1991,24(11):1027~1051. [6] 马颂德, 张正友.计算机视觉[M]. 北京:科学出版社,1998.36~49, 222~224. [7] 易英辉,宋克欧. 一个基于代数不变量的目标识别算法[J]. 中国图像图形学报,1999,4(3):207~210. [8] George Bebis, Michael Georgiopoulos, Niels da Vitoria Lobo, et al. Learning affine transformations[J]. Pattern Recognition, 1999,32:1783~1799. [9] Roh Kyoung Sig,Kweon In So. 2D object recognition using invariant contour descriptor And projective refinement[J]. Pattern Recognition, 1998,31(2):441~455.
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