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Affine Invariants of Planar Sets

In English

Författare

Summary, in English

Recent research has indicated that invariants can be useful in computer vision for identification and pose determination of objects. The idea is to find functions that are invariant under a set of transformations acting on a configuration space. This paper describes some new viewpoints on the construction and use of such invariants. The key idea is that any kind of features like derivatives, distinguished points or integrative features can be used to construct invariants. In a given viewing situation one should choose those features that are most stable. As examples, affine invariants for planar smooth curves, planar regions, and planar point configurations are given. The properties of the invariants are illustrated with experiments

Avdelning/ar

Publiceringsår

1993

Språk

Engelska

Sidor

769-776

Publikation/Tidskrift/Serie

SCIA'93 Proceedings of the 8th Scandinavian Conference on Image Analysis

Volym

2

Dokumenttyp

Konferensbidrag

Förlag

NOBIM-Norwegian Soc. Image Process. & Pattern Recognition

Ämne

  • Mathematics

Nyckelord

  • Affine invariants
  • planar sets
  • moments
  • group action
  • image recognition
  • indexing.

Conference name

Proceedings of Scandinavian Conference on Image Analysis

Conference date

1993-05-25 - 1993-05-28

Conference place

Tromsö, Norway

Status

Published