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Optical Engineering

Direct method for motion estimation and structure reconstruction based on optical flow
Author(s): Congxuan Zhang; Ming Li; Zhen Chen; Kaioqiong Sun
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Paper Abstract

A direct method of motion estimation and structure reconstruction for various motion forms has been proposed based on optical flow. First, a motion estimation energy function is established by redesigning the data term and the smoothing term under the assumption of three-dimensional motion constancy. Next, the Euler-Lagrange iterative formula for motion estimation is obtained with the variational method. Finally, the relative depth and a dense structure are recovered from the estimated motion velocities. Experimental results show that the proposed method is more precise and robust for estimating and reconstructing various motion forms.

Paper Details

Date Published: 6 June 2012
PDF: 15 pages
Opt. Eng. 51(6) 067004 doi: 10.1117/1.OE.51.6.067004
Published in: Optical Engineering Volume 51, Issue 6
Show Author Affiliations
Congxuan Zhang, Nanjing Univ. of Aeronautics and Astronautics (China)
Ming Li, Nanjing Univ. of Aeronautics and Astronautics (China)
Zhen Chen, Nanchang Hangkong Univ. (China)
Kaioqiong Sun, Nanchang Hangkong Univ. (China)

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