ALLFlight: detection of moving objects in IR and ladar images

H.-U. Doehler; Niklas Peinecke; Thomas Lueken; Sven Schmerwitz

doi:10.1117/12.2018053

16 May 2013 ALLFlight: detection of moving objects in IR and ladar images

H.-U. Doehler, Niklas Peinecke, Thomas Lueken, Sven Schmerwitz

Proceedings Volume 8737, Degraded Visual Environments: Enhanced, Synthetic, and External Vision Solutions 2013; 87370L (2013) https://doi.org/10.1117/12.2018053
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

Supporting a helicopter pilot during landing and takeoff in degraded visual environment (DVE) is one of the challenges within DLR's project ALLFlight (Assisted Low Level Flight and Landing on Unprepared Landing Sites). Different types of sensors (TV, Infrared, mmW radar and laser radar) are mounted onto DLR’s research helicopter FHS (flying helicopter simulator) for gathering different sensor data of the surrounding world. A high performance computer cluster architecture acquires and fuses all the information to get one single comprehensive description of the outside situation. While both TV and IR cameras deliver images with frame rates of 25 Hz or 30 Hz, Ladar and mmW radar provide georeferenced sensor data with only 2 Hz or even less. Therefore, it takes several seconds to detect or even track potential moving obstacle candidates in mmW or Ladar sequences. Especially if the helicopter is flying with higher speed, it is very important to minimize the detection time of obstacles in order to initiate a re-planning of the helicopter’s mission timely. Applying feature extraction algorithms on IR images in combination with data fusion algorithms of extracted features and Ladar data can decrease the detection time appreciably. Based on real data from flight tests, the paper describes applied feature extraction methods for moving object detection, as well as data fusion techniques for combining features from TV/IR and Ladar data.

Citation Download Citation

H.-U. Doehler, Niklas Peinecke, Thomas Lueken, and Sven Schmerwitz "ALLFlight: detection of moving objects in IR and ladar images", Proc. SPIE 8737, Degraded Visual Environments: Enhanced, Synthetic, and External Vision Solutions 2013, 87370L (16 May 2013); https://doi.org/10.1117/12.2018053

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