Vision-Based UAV Maritime Search and Rescue Using Point Target Detection
Westall, Paul, Carnie, Ryan J., O'Shea, Peter J., Hrabar, Stefan, & Walker, Rodney A. (2007) Vision-Based UAV Maritime Search and Rescue Using Point Target Detection. In AIAC12 - Twelfth Australian International Aerospace Congress, Twelfth Australian Aeronautical Conference, 19-22 March 2007, Melbourne, Australia.
Human maritime search and rescue missions have always been challenging and an element of chance is involved in the detection of survivors at sea. This research is proposing the use of machine vision to assist UAVs to increase the chances of success in locating humans lost at sea.
This paper presents an application of current image processing methods for target detection in a synthetic maritime scenario. An evaluation of the algorithm’s performance is also provided. The difficulties faced in the automatic detection of human targets in a maritime search environment are also considered.
The paper concludes that there is a range of greyscale intensities, approximately 26% based on current data set, where the target was unable to be detected which may limit the applicability of the algorithm. The effect on performance of target intensity level, threshold and forgetting factor are also investigated.
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