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Suspect Height Estimation Using the Faro Focus 3D Laser Scanner
Author(s) -
Johnson Monique,
Liscio Eugene
Publication year - 2015
Publication title -
journal of forensic sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.715
H-Index - 96
eISSN - 1556-4029
pISSN - 0022-1198
DOI - 10.1111/1556-4029.12829
Subject(s) - suspect , laser scanning , scanner , software , focus (optics) , laser , computer science , artificial intelligence , computer vision , optics , psychology , physics , criminology , programming language
At present, very little research has been devoted to investigating the ability of laser scanning technology to accurately measure height from surveillance video. The goal of this study was to test the accuracy of one particular laser scanner to estimate suspect height from video footage. The known heights of 10 individuals were measured using an anthropometer. The individuals were then recorded on video walking along a predetermined path in a simulated crime scene environment both with and without headwear. The difference between the known heights and the estimated heights obtained from the laser scanner software were compared using a one‐way t ‐test. The height estimates obtained from the software were not significantly different from the known heights whether individuals were wearing headwear ( p = 0.186) or not ( p = 0.707). Thus, laser scanning is one technique that could potentially be used by investigators to determine suspect height from video footage.