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Detecting and locating landmine fields from vehicle- and air-borne measured IR images
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UNSPECIFIED (2002) Detecting and locating landmine fields from vehicle- and air-borne measured IR images. PATTERN RECOGNITION, 35 (12). pp. 3001-3014. ISSN 0031-3203.
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Abstract
Air- and vehicle-borne sensor-based technique is a potentially attractive approach for fast detecting landmines and locating landmine fields towards humanitarian demining. For images measured from airborne and vehicle-borne cameras, landmines may be indicated by direct or indirect signs, e.g., spatial difference from their surroundings due to digging or, due to thermal and material signatures. The background in images usually consists of various types of noise and clutter, e.g., thermal noise, sand, gravel road and vegetation, thus making the detection even more difficult. This paper is focused on the following aspects: (1) Finding a robust detector that is suitable for detecting/locating landmine candidates and man-made landmarks by using infrared images measured from vehicle- or air-borne sensors; (2) Interpreting the detector using the 2D isotropic bandpass filter, matched filter, detection theory and thermodynamic-based landmine models; (3) Extending the detector to a multiscale version where landmine detectability is enhanced by automatically selecting a proper scale and localization is improved by inter-scale position tracing. We propose a special type of isotropic feature detector that exploits the characteristic difference between landmines and their surroundings in the spatial-frequency domain under the multiscale framework. Experiments were performed on several infrared images measured from vehicle-borne sensors as well as airborne sensors on a helicopter over the test bed scenarios. The performance of the detector was also evaluated in teens of detectability, localization, and automatic scale selection of the detector. These results and evaluations have shown the effectiveness of the method and its potential in landmine field detection. (C) 2002 Pattern Recognition Society. Published by Elsevier Science Ltd. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Journal or Publication Title: | PATTERN RECOGNITION | ||||
Publisher: | PERGAMON-ELSEVIER SCIENCE LTD | ||||
ISSN: | 0031-3203 | ||||
Official Date: | December 2002 | ||||
Dates: |
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Volume: | 35 | ||||
Number: | 12 | ||||
Number of Pages: | 14 | ||||
Page Range: | pp. 3001-3014 | ||||
Publication Status: | Published |
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