Motion smoothing strategies for 2D video stabilization

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

7 Scopus Citations
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Author(s)

Detail(s)

Original languageEnglish
Pages (from-to)219-251
Journal / PublicationSIAM Journal on Imaging Sciences
Volume11
Issue number1
Publication statusPublished - 30 Jan 2018
Externally publishedYes

Abstract

Video stabilization aims at removing the undesirable effects of camera motion by estimating its shake and applying a smoothing compensation. This paper proposes a unified mathematical analysis and classification of existing smoothing strategies. We assume that the apparent velocity induced by the camera is estimated as a set of global parametric models, typically those of a homography. We classify the existing smoothing strategies into compositional and additive methods and discuss their technical issues, particularly the definition of the boundary conditions. Our discussion of the various alternatives leads to clear-cut conclusions. It rules out the global compositional methods in favor of local linear methods and finds the adequate boundary conditions. We also show that the best smoothing strategy yields a scale-space analysis of the camera ego-motion parameters. Analyzing this scale-space on examples, we show how it is highly characteristic of the camera path, permitting us to compute ego-motion frequencies and to detect periodic ego-motions like walking or running. © 2018 Society for Industrial and Applied Mathematics and by SIAM.

Research Area(s)

  • Motion compensation, Motion smoothing, Video stabilization

Bibliographic Note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to lbscholars@cityu.edu.hk.

Citation Format(s)

Motion smoothing strategies for 2D video stabilization. / Sánchez, Javier; Morel, Jean-Michel.
In: SIAM Journal on Imaging Sciences, Vol. 11, No. 1, 30.01.2018, p. 219-251.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review