3D model retrieval with spherical harmonics and moments

Saupe, Dietmar; Vranic, Dejan V.

3D model retrieval with spherical harmonics and moments

Dateien

Saupe_231478.pdfGröße: 227.6 KBDownloads: 1173

Datum

2001

Autor:innen

Saupe, Dietmar

Vranic, Dejan V.

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Informatik und Informationswissenschaft

Publikationstyp

Beitrag zu einem Konferenzband

Publikationsstatus

Published

Erschienen in

RADIG, Bernd, ed., Stefan FLORCZYK, ed.. Pattern Recognition. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001, pp. 392-397. Lecture Notes in Computer Science. 2191. ISBN 978-3-540-42596-0. Available under: doi: 10.1007/3-540-45404-7_52

Zusammenfassung

We consider 3D object retrieval in which a polygonal mesh serves as a query and similar objects are retrieved from a collection of 3D objects. Algorithms proceed ﬁrst by a normalization step in which models are transformed into canonical coordinates. Second, feature vectors are extracted and compared with those derived from normalized models in the search space. In the feature vector space nearest neighbors are computed and ranked. Retrieved objects are displayed for inspection, selection, and processing. Our feature vectors are based on rays cast from the center of mass of the object. For each ray the object extent in the ray direction yields a sample of a function on the sphere. We compared two kinds of representations of this function, namely spherical harmonics and moments. Our empirical comparison using precision-recall diagrams for retrieval results in a data base of 3D models showed that the method using spherical harmonics performed better.

Fachgebiet (DDC)

004 Informatik

Zitieren

ISO 690

SAUPE, Dietmar, Dejan V. VRANIC, 2001. 3D model retrieval with spherical harmonics and moments. In: RADIG, Bernd, ed., Stefan FLORCZYK, ed.. Pattern Recognition. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001, pp. 392-397. Lecture Notes in Computer Science. 2191. ISBN 978-3-540-42596-0. Available under: doi: 10.1007/3-540-45404-7_52

BibTex

@inproceedings{Saupe2001-12-18model-23147,
  year={2001},
  doi={10.1007/3-540-45404-7_52},
  title={3D model retrieval with spherical harmonics and moments},
  number={2191},
  isbn={978-3-540-42596-0},
  publisher={Springer Berlin Heidelberg},
  address={Berlin, Heidelberg},
  series={Lecture Notes in Computer Science},
  booktitle={Pattern Recognition},
  pages={392--397},
  editor={Radig, Bernd and Florczyk, Stefan},
  author={Saupe, Dietmar and Vranic, Dejan V.}
}

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