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AN EMBEDDED 3D GEOMETRY SCORE FOR MOBILE 3D VISUAL SEARCH
KTH, School of Electrical Engineering (EES), Information Science and Engineering.
KTH, School of Electrical Engineering (EES), Information Science and Engineering.
KTH, School of Electrical Engineering (EES), Information Science and Engineering.ORCID iD: 0000-0002-7807-5681
2016 (English)In: 2016 IEEE 18TH INTERNATIONAL WORKSHOP ON MULTIMEDIA SIGNAL PROCESSING (MMSP), Institute of Electrical and Electronics Engineers (IEEE), 2016Conference paper, (Refereed)
Abstract [en]

The scoring function is a central component in mobile visual search. In this paper, we propose an embedded 3D geometry score for mobile 3D visual search (M3DVS). In contrast to conventional mobile visual search, M3DVS uses not only the visual appearance of query objects, but utilizes also the underlying 3D geometry. The proposed scoring function interprets visual search as a process that reduces uncertainty among candidate objects when observing a query. For M3DVS, the uncertainty is reduced by both appearance-based visual similarity and 3D geometric similarity. For the latter, we give an algorithm for estimating the query-dependent threshold for geometric similarity. In contrast to visual similarity, the threshold for geometric similarity is relative due to the constraints of image-based 3D reconstruction. The experimental results show that the embedded 3D geometry score improves the recall-datarate performance when compared to a conventional visual score or 3D geometry-based re-ranking.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016.
Series
IEEE International Workshop on Multimedia Signal Processing, ISSN 2163-3517
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-202670DOI: 10.1109/MMSP.2016.7813366ISI: 000393302100034Scopus ID: 2-s2.0-85013157698ISBN: 978-1-5090-3724-7 (print)OAI: oai:DiVA.org:kth-202670DiVA: diva2:1078716
Conference
18th IEEE International Workshop on Multimedia Signal Processing (MMSP), SEP 21-23, 2016, Montreal, CANADA
Note

QC 20170306

Available from: 2017-03-06 Created: 2017-03-06 Last updated: 2017-03-06Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
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  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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