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dc.contributor.authorSariyanidi, Evangelosen
dc.contributor.authorGunes, Haticeen
dc.contributor.authorCavallaro, Andreaen
dc.date.accessioned2017-02-20T14:03:42Z
dc.date.available2017-02-20T14:03:42Z
dc.date.issued2017-04en
dc.identifier.issn1057-7149
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/262669
dc.description.abstractAccurate face registration is a key step for several image analysis applications. However, existing registration methods are prone to temporal drift errors or jitter among consecutive frames. In this paper we propose an iterative rigid registration framework that estimates the misalignment with trained regressors. The input of the regressors is a robust motion representation that encodes the motion between a misaligned frame and the reference frame(s), and enables reliable performance under non-uniform illumination variations. Drift errors are reduced when the motion representation is computed from multiple reference frames. Furthermore, we use the $L_2$ norm of the representation as a cue for performing coarse-to-fine registration efficiently. Importantly, the framework can identify registration failures and correct them. Experiments show that the proposed approach achieves significantly higher registration accuracy than state-of-the-art techniques in challenging sequences.
dc.description.sponsorshipThe research work of Evangelos Sariyanidi and Hatice Gunes has been partially supported by the EPSRC under its IDEAS Factory Sandpits call on Digital Personhood (Grant Ref.: EP/L00416X/1).
dc.format.mediumPrint-Electronicen
dc.languageengen
dc.language.isoenen
dc.publisherIEEE
dc.titleRobust Registration of Dynamic Facial Sequences.en
dc.typeArticle
prism.endingPage1722
prism.publicationDate2017en
prism.publicationNameIEEE transactions on image processing : a publication of the IEEE Signal Processing Societyen
prism.startingPage1708
prism.volume26en
dc.identifier.doi10.17863/CAM.7947
dcterms.dateAccepted2016-11-22en
rioxxterms.versionofrecord10.1109/tip.2016.2639448en
rioxxterms.versionVoRen
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserveden
rioxxterms.licenseref.startdate2017-04en
dc.contributor.orcidGunes, Hatice [0000-0003-2407-3012]
dc.identifier.eissn1941-0042
rioxxterms.typeJournal Article/Reviewen
pubs.funder-project-idEPSRC (via University of Exeter) (EP/L00416X/1)
cam.orpheus.successThu Jan 30 12:56:41 GMT 2020 - The item has an open VoR version.*
rioxxterms.freetoread.startdate2100-01-01


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