Abstract
Unmanned aerial vehicles (UAVs) are becoming very popular now. They have a variety of applications: search and rescue missions, crop inspection, 3D mapping, surveillance and military applications. However, many of the lower-end UAV do not have obstacle avoidance systems installed, which can lead to broken equipment or people may get injured. In this paper, we describe the design of low-cost UAV with computer vision based obstacle avoidance system. We used Block Match (BM) and Semi Global Block Match (SGBM) algorithms for detection of obstacles in stereo images. We constructed custom UAV platform, and demonstrated the effectiveness of UAV with an obstacle avoidance system in real-world field testing conditions.
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