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Träfflista för sökning "WFRF:(Fedorov Igor) srt2:(2018)"

Sökning: WFRF:(Fedorov Igor) > (2018)

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1.
  • Alqaysi, Hiba, et al. (författare)
  • Full Coverage Optimization for Multi Camera Dome Placement in Volumetric Monitoring
  • 2018
  • Ingår i: ACM International Conference Proceeding Series. - New York, NY, USA : ACM Digital Library. - 9781450365116
  • Konferensbidrag (refereegranskat)abstract
    • Volumetric monitoring can be challenging due to having a 3D target space and moving objects within it. Multi camera dome is proposed to provide a hemispherical coverage of the 3D space around it. This paper introduces a method that optimizes multi camera placement for full coverage in volumetric monitoring system. Camera dome placement is modeled in a volume by adapting the hexagonal packing of circles to provide full coverage at a given height, and 100% detection of flying objects within it. The coverage effectiveness of different placement configurations was assessed using an evaluation environment. The proposed placement is applicable in designing and deploying surveillance systems for remote outdoor areas, such as sky monitoring in wind farms and airport runways in order to record and analyze flying activities.
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2.
  • Fedorov, Igor, 1980-, et al. (författare)
  • Towards calibration of outdoor multi-camera visual monitoring system
  • 2018
  • Ingår i: ACM International Conference Proceeding Series. - New York, NY, US : ACM Digital Library. - 9781450365116
  • Konferensbidrag (refereegranskat)abstract
    • This paper proposes a method for calibrating of multi-camera systems where no natural reference points exist in the surrounding environment. Monitoring the air space at wind farms is our test case. The goal is to monitor the trajectories of flying birds to prevent them from colliding with rotor blades. Our camera calibration method is based on the observation of a portable artificial reference marker made out of a pulsed light source and a navigation satellite sensor module. The reference marker can determine and communicate its position in the world coordinate system at centimeter precision using navigartion sensors. Our results showed that simultaneous detection of the same marker in several cameras having overlapping field of views allowed us to determine the markers position in 3D world coordinate space with an accuracy of 3-4 cm. These experiments were made in the volume around a wind turbine at distances from cameras to marker within a range of 70 to 90 m.
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  • Resultat 1-2 av 2
Typ av publikation
konferensbidrag (2)
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refereegranskat (2)
Författare/redaktör
Alqaysi, Hiba (2)
O'Nils, Mattias, 196 ... (2)
Lawal, Najeem, 1973- (2)
Thörnberg, Benny, 19 ... (1)
Fedorov, Igor (1)
Fedorov, Igor, 1980- (1)
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Mittuniversitetet (2)
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Engelska (2)
Forskningsämne (UKÄ/SCB)
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