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HAO Jin-bo, WANG Liang-shen, HU Man-li. Real-time 3-D object rotation-invariant recognition with microlens array[J]. LASER TECHNOLOGY, 2009, 33(1): 8-11,41.
Citation: HAO Jin-bo, WANG Liang-shen, HU Man-li. Real-time 3-D object rotation-invariant recognition with microlens array[J]. LASER TECHNOLOGY, 2009, 33(1): 8-11,41.
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Real-time 3-D object rotation-invariant recognition with microlens array

  • 1.

    School of Science, Xi'an University of Architecture and Technology, Xi'an 710069, China;

  • 2.

    Department of Physics, Northwest University, Xi'an 710054, China

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  • Received Date: October 17, 2007
  • Revised Date: January 06, 2008
  • Published Date: February 24, 2009
    Graphical Abstract
    • Abstract
  • In order to realize 3-D object rotation-invariant recognition, with help of high relevancy of perspective array of 3-D objects, the depth information of 3-D objects was converted to 2-D elemental images by means of microlens array.Theoretical analysis showed that both 3-D object rotation-invariant recognition and exact orientation of rotation direction could be obtained.Taking a dice,a 3-D object as an example, it was recognized in real time by means of match filtering and the proposed method.The latter performed better, and the exact orientation of rotation direction and rotational angle size discrimination were recognized.The results showed that the real-time 3-D object rotation-invariant recognition can be accomplished with microlens array.
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    • References (11)
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