Effective Local Backscattering Estimation for Underwater Image Enhancement
dc.contributor.author
dc.date.accessioned
2019-01-28T10:05:04Z
dc.date.available
2019-01-28T10:05:04Z
dc.date.issued
2018-10-24
dc.identifier.issn
0197-7385
dc.identifier.uri
dc.description
L'H2020 712949 está vinculat amb el programa ACCIO (Agència per a la Competitivitat de la Empresa). Programa ACCIÓ per fomentar la mobilitat d'investigadors amb un enfocament en la recerca aplicada i la transferència de tecnologia
dc.description.abstract
Due to absorption and scattering effects the under-water scenes are characterized by poor contrast, color shifting, additional noise and hazy appearance. In this paper we introduce a novel solution that estimates locally the backscattered light. While in general the existing solutions estimate a global backscattered light value over the entire scene, our local strategy is able to deal effectively to the more challenging non-uniform illumination generated by multiple light-sources. Our solution computes two complementary estimates of the local backscattered light, covering a large and a small patch size. The optimal local backscattered light is computed as the mean of the outputs processed with the small and the large patches while the transmission map, is estimated based on the dark-channel prior (DCP) [1]. Finally, our restored results are computed by simply inverting the optical model using the transmission and the local backscattered light estimates. The qualitative evaluation demonstrates the effectiveness of our approach compared with the recent underwater enhancing techniques
dc.description.sponsorship
Part of this work has been funded by the Romanian Government UEFISCDI, project PN-III-P2-2.1-PED-2016-0940. Part of this work has been funded from
the 2020 European Union Research and Innovation Horizon 2020 under the grant agreement Marie Sklodowska-Curie No 712949 (TECNIOspring PLUS),
as well as the Agency for the Competitiveness of the Company of the Generalitat de Catalunya - ACCIO: TECSPR17-1-0054
dc.format.mimetype
application/pdf
dc.language.iso
eng
dc.publisher
Institute of Electrical and Electronics Engineers (IEEE)
dc.relation.isformatof
Versió postprint del document publicat a: https://doi.org/10.1109/OCEANS.2018.8604731
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© Oceans (2018: 22-25 october: Charleston, EEUU). OCEANS 2018 MTS/IEEE Charleston
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Articles publicats (D-IMA)
dc.rights
Tots els drets reservats
dc.title
Effective Local Backscattering Estimation for Underwater Image Enhancement
dc.type
info:eu-repo/semantics/article
dc.rights.accessRights
info:eu-repo/semantics/openAccess
dc.relation.projectID
info:eu-repo/grantAgreement/EC/H2020/712949/EU/ACCIÓ programme to foster mobility of researchers with a focus in applied research and technology transfer/TECNIOspring PLUS
dc.type.version
info:eu-repo/semantics/publishedVersion
dc.identifier.doi
dc.type.peerreviewed
peer-reviewed
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dc.relation.ProjectAcronym