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Type: Artigo de periódico
Title: Biological shape analysis by digital curvature
Author: Costa, LD
dos Reis, SF
Arantes, RAT
Alves, ACR
Mutinari, GC
Abstract: This paper reports the novel application of digital curvature as a feature for morphological characterization and classification of landmark shapes. By inheriting several unique features of the continuous curvature, the digital curvature provides invariance to translations, rotations, local shape deformations, and is easily made tolerant to scaling. In addition, the bending energy, a global shape feature, can be directly estimated from the curvature values. The application of these features to analyse patterns of cranial morphological geographic differentiation in the rodent species Thrichomys apereoides has led to encouraging results, indicating a close correspondence between the geographical and morphological distributions. (C) 2003 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.
Subject: shape analysis
digital curvature
morphological and geographic distributions
morphometric analysis
morphological landmark
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/j.patcog.2003.07.010
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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