A photogrammetric approach for real-time 3D localization and tracking of pedestrians in monocular infrared imagery

Mikolaj E. Kundegorski; Toby P. Breckon

doi:10.1117/12.2065673

7 October 2014 A photogrammetric approach for real-time 3D localization and tracking of pedestrians in monocular infrared imagery

Mikolaj E. Kundegorski, Toby P. Breckon

Author Affiliations +

Proceedings Volume 9253, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI; 92530I (2014) https://doi.org/10.1117/12.2065673
Event: SPIE Security + Defence, 2014, Amsterdam, Netherlands

Abstract

Target tracking within conventional video imagery poses a significant challenge that is increasingly being addressed via complex algorithmic solutions. The complexity of this problem can be fundamentally attributed to the ambiguity associated with actual 3D scene position of a given tracked object in relation to its observed position in 2D image space. We propose an approach that challenges the current trend in complex tracking solutions by addressing this fundamental ambiguity head-on. In contrast to prior work in the field, we leverage the key advantages of thermal-band infrared (IR) imagery for the pedestrian localization to show that robust localization and foreground target separation, afforded via such imagery, facilities accurate 3D position estimation to within the error bounds of conventional Global Position System (GPS) positioning. This work investigates the accuracy of classical photogrammetry, within the context of current target detection and classification techniques, as a means of recovering the true 3D position of pedestrian targets within the scene. Based on photogrammetric estimation of target position, we then illustrate the efficiency of regular Kalman filter based tracking operating on actual 3D pedestrian scene trajectories. We present both a statistical and experimental analysis of the associated errors of this approach in addition to real-time 3D pedestrian tracking using monocular infrared (IR) imagery from a thermal-band camera.

Citation Download Citation

Mikolaj E. Kundegorski and Toby P. Breckon "A photogrammetric approach for real-time 3D localization and tracking of pedestrians in monocular infrared imagery", Proc. SPIE 9253, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI, 92530I (7 October 2014); https://doi.org/10.1117/12.2065673

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