NDLI: Height Measurement for Humans in Motion Using a Camera: A Comparison of Different Methods

Content Provider	IEEE Xplore Digital Library
Author	Ngoc Hung Nguyen Hartley, R.
Copyright Year	2012
Abstract	This paper aims to answer the questions whether human height measurement from video is affected by human motion and how accurately human static height can be measured from a video or from a single image frame that captures a walking subject. In this paper, we present a new approach for measuring human height based on the cross ratio. This approach is performed in parallel with the vanishing point based approach for comparison. The accuracy of each approach is examined by comparing the estimated value to the actual static height value which is measured directly. For the height measurement from video, our analyses show that human height varies significantly during human motion and the highest point in a human stride is the most accurate measurement of the static height. We also model the height variation as a sinusoidal pattern to maximize the accuracy of the estimated height. For the height measurement from a single frame, a correction method is developed in which the length of the human torso with human head and the length of the human leg are separately estimated. We conclude that static human height can be measured accurately, even though the variation of human height is significant during human motion.
Starting Page	1
Ending Page	8
File Size	2033810
Page Count	8
File Format	PDF
ISBN	9781467321808
e-ISBN	9781467321815
e-ISBN	9781467321792
DOI	10.1109/DICTA.2012.6411679
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-03
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Legged locomotion Histograms Uncertainty Head Humans Cameras Motion measurement
Content Type	Text
Resource Type	Article

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