Improved Vision-Based Algorithm for Unmanned Aerial Vehicles Autonomous Landing

Abstract:

In vision-based autonomous landing system of UAV (Unmanned Aerial Vehicle), the efficiency of object detection and tracking will directly affect the control system. An improved algorithm of SURF (Speed Up Robust Features) will resolve the problem which is inefficiency of the SURF algorithm in the autonomous landing system of UAV. The improved algorithm is composed of three steps: first, detect the region of the target using the Camshift algorithm; second, detect the feature points in the region of the above acquired using the SURF algorithm; third, do the matching between the template target and the region of target in frame. The results of experiments and theoretical analysis testify the efficiency of the algorithm.

• Periodical: Applied Mechanics and Materials (Volume 273)
• Pages: 560-565
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.273.560
• Online since: January 2013
• Authors: Yun Ji Zhao, Hai Long Pei
• Keywords: Autonomous Landing, Cam-Shift, Color Histogram, SURF

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