Yao Shuzhen, Jin Maozhong. Strategy of state transition in UML based on Petri net[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(01): 79-83. (in Chinese)
Citation: Wu Liang, Hu Yun-an. Scheme for vision-aided navigation in flight with reference of road intersections[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(8): 892-895. (in Chinese)

Scheme for vision-aided navigation in flight with reference of road intersections

  • Received Date: 19 Jun 2009
  • Publish Date: 30 Aug 2010
  • To release the range limit caused by choosing the fixed landmark as reference, a vision-aided navigation scheme for aircraft with reference of road intersections was proposed. The road intersections were extracted based on the curvilinear structure extraction algorithm. The searching space was reduced by introducing intersection property restriction in matching image and map road intersections. The unreasonable match could be eliminated according to the azimuth and height output of the inertial navigation system (INS). Therefore, the computation cost was greatly reduced. The navigation parameters were computed by the projection matrix or homography matrix, which were estimated by golden standard algorithm. The simulation results verify the effectiveness of the scheme.

     

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