New approach to obtain height measurements from video

Antonio Criminisi; Andrew Zisserman; Luc J. Van Gool; Simon K. Bramble; David Compton

doi:10.1117/12.334540

4 February 1999 New approach to obtain height measurements from video

Antonio Criminisi, Andrew Zisserman, Luc J. Van Gool, Simon K. Bramble, David Compton

Proceedings Volume 3576, Investigation and Forensic Science Technologies; (1999) https://doi.org/10.1117/12.334540
Event: Enabling Technologies for Law Enforcement and Security, 1998, Boston, MA, United States

Abstract

In this paper a new measurement algorithm is presented which generates height measurements and their associated errors from a single known physical measurement in an image. The method draws on results from projective geometry and computer vision. A height measurement is obtained from each frame of the video. A `stereo like' correspondence between images is not required. Nor is any explicit camera calibration. The accuracy of the algorithm is demonstrated by a number of examples when ground truth is known. Finally, the height measurements and their variation are described for a person in motion. We draw attention to the uncertainty in heights associated with humans in motion, and the limitations of using this description for identification.

Citation Download Citation

Antonio Criminisi, Andrew Zisserman, Luc J. Van Gool, Simon K. Bramble, and David Compton "New approach to obtain height measurements from video", Proc. SPIE 3576, Investigation and Forensic Science Technologies, (4 February 1999); https://doi.org/10.1117/12.334540

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