Visual Hull-Based Geometric Data Compression of a 3-D Object

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dc.contributor.authorHwang, Sung Sooko
dc.contributor.authorKim, Wook-Joongko
dc.contributor.authorYoo, Jisungko
dc.contributor.authorKim, Seong Daeko
dc.date.accessioned2015-11-20T07:28:16Z-
dc.date.available2015-11-20T07:28:16Z-
dc.date.created2015-08-10-
dc.date.created2015-08-10-
dc.date.issued2015-07-
dc.identifier.citationIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, v.25, no.7, pp.1151 - 1160-
dc.identifier.issn1051-8215-
dc.identifier.urihttp://hdl.handle.net/10203/200687-
dc.description.abstractAs image-based 3-D modeling is used in a variety of applications, accordingly, the compression of 3-D object geometry represented by multiple images becomes an important task. This paper presents a model-based approach to predict the geometric structure of an object using its visual hull. A visual hull is a geometric entity generated by shape-from-silhouette (SFS), and consequently it largely follows the overall shape of the object. The construction of a visual hull is computationally inexpensive and a visual hull can be encoded with relatively small amount of bits because it can be represented with 2-D silhouette images. Therefore, when it comes to the predictive compression of object's geometric data, the visual hull should be an effective predictor. In the proposed method, the geometric structure of an object is represented by a layered depth image (LDI), and a visual hull from the LDI data is computed via silhouette generation and SFS. The geometry of an object is predicted with the computed visual hull, and the visual hull data with its prediction errors are encoded. Simulation results show that the proposed predictive coding based on visual hull outperforms the previous image-based methods and the partial surface-based method.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectLAYERED DEPTH IMAGE-
dc.subjectREPRESENTATION-
dc.subjectALGORITHM-
dc.titleVisual Hull-Based Geometric Data Compression of a 3-D Object-
dc.typeArticle-
dc.identifier.wosid000357616600006-
dc.identifier.scopusid2-s2.0-84936772993-
dc.type.rimsART-
dc.citation.volume25-
dc.citation.issue7-
dc.citation.beginningpage1151-
dc.citation.endingpage1160-
dc.citation.publicationnameIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY-
dc.identifier.doi10.1109/TCSVT.2014.2361420-
dc.contributor.localauthorKim, Seong Dae-
dc.contributor.nonIdAuthorKim, Wook-Joong-
dc.type.journalArticleArticle-
dc.subject.keywordAuthor3-D object coding-
dc.subject.keywordAuthorlayered depth image (LDI)-
dc.subject.keywordAuthorpredictive coding-
dc.subject.keywordAuthorshape-from-silhouette (SFS)-
dc.subject.keywordAuthorvisual hull-
dc.subject.keywordPlusLAYERED DEPTH IMAGE-
dc.subject.keywordPlusREPRESENTATION-
dc.subject.keywordPlusALGORITHM-
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