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Invariant Categorisation of Polygonal Objects using Multi-resolution Signatures

2009Conference object Open access
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dc.contributor.authorLam, Roberto
dc.contributor.authordu Buf, J. M. H.
dc.date.accessioned2015-11-04T12:04:34Z
dc.date.available2015-11-04T12:04:34Z
dc.date.issued2009
dc.description.abstractWith the increasing use of 3D objects and models, mining of 3D databases is becoming an important issue. However, 3D object recognition is very time consuming because of variations due to position, rotation, size and mesh resolution. A fast categorisation can be used to discard non-similar objects, such that only few objects need to be compared in full detail. We present a simple method for characterising 3D objects with the goal of performing a fast similarity search in a set of polygonal mesh models. The method constructs, for each object, two sets of multi-scale signatures: (a) the progression of deformation due to iterative mesh smoothing and, similarly, (b) the influence of mesh dilation and erosion using a sphere with increasing radius. The signatures are invariant to 3D translation, rotation and scaling, also to mesh resolution because of proper normalisation. The method was validated on a set of 31 complex objects, each object being represented with three mesh resolutions. The results were measured in terms of Euclidian distance for ranking all objects, with an overall average ranking rate of 1.29.
dc.identifier.isbn978-989-674-011-5
dc.identifier.urihttp://hdl.handle.net/10400.1/6963
dc.language.isoeng
dc.peerreviewedyes
dc.publisherINSTICC-Inst Syst Technologies Information Control & Communication
dc.relation.isbasedonP-003-R5C
dc.titleInvariant Categorisation of Polygonal Objects using Multi-resolution Signatures
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceFunchal Madeira, Portugal
oaire.citation.endPage173
oaire.citation.startPage168
oaire.citation.title1st International Conference on Knowledge Discovery and Information Retrieval
person.familyNameLam
person.familyNamedu Buf
person.givenNameRoberto
person.givenNameHans
person.identifier.ciencia-id5A1D-9724-50B5
person.identifier.orcid0000-0003-4297-2441
person.identifier.orcid0000-0002-4345-1237
person.identifier.ridC-6738-2014
person.identifier.ridM-5125-2013
person.identifier.scopus-author-id36245331200
person.identifier.scopus-author-id6604075916
rcaap.rightsopenAccess
rcaap.typeconferenceObject
relation.isAuthorOfPublicationad2009c3-f610-410a-a915-32e73af81ee8
relation.isAuthorOfPublicationcfad5636-2c77-4db0-a3a0-d7eb97ce6bee
relation.isAuthorOfPublication.latestForDiscoverycfad5636-2c77-4db0-a3a0-d7eb97ce6bee

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