Threat Detection and Tracking using 3D FLASH LADAR Data

被引：1

作者：

Gronwall, Christina ^{[1
]}

Tolt, Gustav ^{[1
]}

Karlsson, Daniel ^{[1
]}

Esteki, Hadi ^{[1
]}

Rydell, Joakim ^{[1
]}

Armstrong, Ernest E. ^{[2
]}

Woods, Jack ^{[3
]}

机构：

[1] Swedish Def Res Agcy FOI, POB 1165, SE-58111 Linkoping, Sweden

[2] OptiMetr Inc, Ann Arbor, MI 48104 USA

[3] RYJM, US Air Force Res Lab, Wright Patterson AFB, OH 45433 USA

来源：

AUTOMATIC TARGET RECOGNITION XX; ACQUISITION, TRACKING, POINTING, AND LASER SYSTEMS TECHNOLOGIES XXIV; AND OPTICAL PATTERN RECOGNITION XXI | 2010年 / 7696卷

关键词：

detection; tracking; occlusion; laser radar; range data;

D O I：

10.1117/12.849973

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Laser-based 3D sensors measure range with high accuracy and allow for detection of objects behind various type of occlusion, e. g., tree canopies. Range information is valuable for detection of small objects that are typically represented by 5-10 pixels in the data set. Range information is also valuable in tracking problems when the tracked object is occluded under parts of its movement and when there are several objects in the scene. In this paper, on-going work on detection and tracking are presented. Detection of partly occluded vehicles is discussed. To detect partly occluded objects we take advantage of the range information for removing foreground clutter. The target detection approach is based on geometric features, for example local surface detection, shadow analysis and height-based detection. Initial results on tracking of humans are also presented. The benefits with range information are discussed. Results are illustrated using outdoor measurements with a 3D FLASH LADAR sensor and a 3D scanning LADAR.

引用

页数：12

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