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Proceedings Article

Buried target detection in FLIR images using Shearlet features

[+] Author Affiliations
Brian Tuomanen, Kevin Stone, Timothy Madison, Mihail Popescu, James Keller

Univ. of Missouri-Columbia (United States)

Proc. SPIE 8709, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XVIII, 870919 (June 7, 2013); doi:10.1117/12.2014773
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From Conference Volume 8709

  • Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XVIII
  • J. Thomas Broach; Jason C. Isaacs
  • Baltimore, Maryland, USA | April 29, 2013

abstract

In this paper we investigate a new approach for representing objects in FLIR images based on shearlets. Similar to wavelets, shearlets represent an affine system for image representation obtained by scaling and translation of a generating function called mother shearlet. Unlike wavelets, the mother shearlet has an extra parameter called shear that allows the shearlet transform to be anisotropic. Anisotropic property of the shearlet transform could allow for a better representation of objects with irregular shape. We test our representation methodology on Froward looking long wave infrared (LWIR) images obtained from an IR camera installed on a moving vehicle. Objects of interest (spots) are detected in each frame using a prescreener presented in our previous work. Each spot is then represented using its shearlet features and assigned a confidence coming from a support vector machine classifier. We compare shearlets to various traditional features such as local binary patterns (LPB) and histogram of gradients (HOG). The comparison is performed on a large dataset that consists of 16 runs at a US Army test site. © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Brian Tuomanen ; Kevin Stone ; Timothy Madison ; Mihail Popescu and James Keller
" Buried target detection in FLIR images using Shearlet features ", Proc. SPIE 8709, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XVIII, 870919 (June 7, 2013); doi:10.1117/12.2014773; http://dx.doi.org/10.1117/12.2014773


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