2013 International Conference on Unmanned Aircraft Systems (ICUAS) 2013
DOI: 10.1109/icuas.2013.6564710
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A multi-layered approach for site detection in UAS emergency landing scenarios using geometry-based image segmentation

Abstract: This paper presents an alternative approach to image segmentation by using the spatial distribution of edge pixels as opposed to pixel intensities. The segmentation is achieved by a multi-layered approach and is intended to find suitable landing areas for an aircraft emergency landing. We combine standard techniques (edge detectors) with novel developed algorithms (line expansion and geometry test) to design an original segmentation algorithm. Our approach removes the dependency on environmental factors that t… Show more

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Cited by 27 publications
(15 citation statements)
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References 21 publications
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“…As the first stage of detection of potential landing sites, the SDS includes a 2D candidate identifier based on canny-edge detection, which forms a significant component of a 2D binary landing site classifier already presented in the literature [11,10]. The use of texture analysis and contrast descriptors to identify suitable landing areas has also been used by Garcia-Pardo et al [4].…”
Section: Related Workmentioning
confidence: 98%
See 1 more Smart Citation
“…As the first stage of detection of potential landing sites, the SDS includes a 2D candidate identifier based on canny-edge detection, which forms a significant component of a 2D binary landing site classifier already presented in the literature [11,10]. The use of texture analysis and contrast descriptors to identify suitable landing areas has also been used by Garcia-Pardo et al [4].…”
Section: Related Workmentioning
confidence: 98%
“…The 2D landing site classifier has already been described in the literature [11,10]. It operates purely on 2D imagery, without any temporal information, to classify the pixels in an image into a binary safe/not-safe classification by detecting Canny Edges in the camera image and performing a dilation to expand the local unsafe region.…”
Section: D Landing Site Pre-classifiermentioning
confidence: 99%
“…The landing approach taken by Scherer et al [7] uses lidar for non-cooperative sensing to autonomously land a full-scale helicopter at unprepared sites. Mejias et al [8] demonstrate a camera-based landing zone detection algorithm for UAS in emergency landing scenarios. In this work, a visual multiple target tracker is used to perceive information about moving ground targets.…”
Section: Introductionmentioning
confidence: 99%
“…Sınıflandırıcı olarak Naive Bayes sınıflandırıcı kullanılmıştır. Luis Mejias ve arkadaşları [6], bir İHA'nın zorunlu iniş yapabileceği alanın tespit edilmesi için görüntü bölümleme (segmentation) tabanlı bir uygulama geliştirmiştir. Çalışmada inilebilecek uygun alan veya alanların tespiti için İHA'dan alınan anlık görüntüler kullanılmıştır.…”
Section: Introductionunclassified