A scale space approach to detect a class of side-attack landmines from SWIR video sequences

Mark Busch; James M. Keller; Paul D. Gader

doi:10.1117/12.666322

18 May 2006 A scale space approach to detect a class of side-attack landmines from SWIR video sequences

Mark Busch, James M. Keller, Paul D. Gader

Proceedings Volume 6217, Detection and Remediation Technologies for Mines and Minelike Targets XI; 621730 (2006) https://doi.org/10.1117/12.666322
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

Scale Space algorithms, most notably the Scale Invariant Feature Transform (SIFT) are used to produce robust local features from a single training image or a small number of samples. These features can then be computed from, and matched to, test imagery. An object detection/recognition algorithm is built around this matching process. The aim of this project is to locate a particular class of side-attack landmines, PARMs, in SWIR video using a SIFT-based detector. The detection of PARMs is accomplished by generating SIFT keypoints for the training images and each frame of the video and then determining a model of keypoint matches that represent the scale, orientation, and location of PARMs in the video with a high degree of certainty. Once a SIFT match between the training image set and a frame of video is found, a new hypothesis about the location, relative orientation, and scale of a PARM in the video sequence is created. Each new keypoint match is then assigned a confidence-based score. If this new keypoint match is compatible with the geometrical model of any previously generated hypothesis, the keypoint match's score, scaled by a fuzzy membership function, is added to the score of that hypothesis. An alarm is triggered once the score of a hypothesis reaches a predefined threshold. Results of the side-attack landmine detection are presented.

Citation Download Citation

Mark Busch, James M. Keller, and Paul D. Gader "A scale space approach to detect a class of side-attack landmines from SWIR video sequences", Proc. SPIE 6217, Detection and Remediation Technologies for Mines and Minelike Targets XI, 621730 (18 May 2006); https://doi.org/10.1117/12.666322

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KEYWORDS

Video

Land mines

Short wave infrared radiation

Optical flow

Detection and tracking algorithms

Polonium

Sensors

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