Volume 7 Issue 6
Nov.  2014
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FENG Ping, LIU Zhen. Automatic localization method of the multi-planar strip in rudder angle measurement[J]. Chinese Optics, 2014, 7(6): 911-916. doi: 10.3788/CO.20140706.0911
Citation: FENG Ping, LIU Zhen. Automatic localization method of the multi-planar strip in rudder angle measurement[J]. Chinese Optics, 2014, 7(6): 911-916. doi: 10.3788/CO.20140706.0911

Automatic localization method of the multi-planar strip in rudder angle measurement

  • Received Date: 17 Aug 2014
  • Rev Recd Date: 19 Oct 2014
  • Publish Date: 25 Nov 2014
  • An automatic localization method of light strips in multi-planar structures is proposed in order to solve the problem that it is difficult to distinguish light strip regions of irregular surface in rudder angular measurement based on the vision system of line-structured light. Firstly, the sub-pixel centers of curvilinear structures are extracted by Steger algorithm. Secondly, pieces of line segments are detected and labeled using line constraints and distance constraints to calculate the distances and orientations of points. Finally, different planes are located according to light strips positions. Experimental results show that the presented method is convenient and effective.

     

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