A GROUP OF PROJECTIVE INVARIANTS FOR RECO GNITION OF PLANAR POLYGONS

Authors
CHEN YX QI FH
Citation
Yx. Chen et Fh. Qi, A GROUP OF PROJECTIVE INVARIANTS FOR RECO GNITION OF PLANAR POLYGONS, JOURNAL OF INFRARED AND MILLIMETER WAVES, 17(2), 1998, pp. 99-106
Citations number
7
Categorie Soggetti
Optics
Journal title
JOURNAL OF INFRARED AND MILLIMETER WAVES → ACNP
ISSN journal
10019014
Volume
17
Issue
2
Year of publication
1998
Pages
99 - 106
Database
ISI
SICI code
1001-9014(1998)17:2<99:AGOPIF>2.0.ZU;2-2
Abstract
A group of projective invariants was derived based on the cross-ratio of five coplanar points, and used to recognize planar polygons. Experi mental results show that the invariants have projective invariance and can be used to recognize planar polygons effectively.