The Journal of Heredity 2002:93(5)
© 2002 The American Genetic Association 93:384-385
Computer Note |
SHAPE: A Computer Program Package for Quantitative Evaluation of Biological Shapes Based on Elliptic Fourier Descriptors
From the Department of Information Science and Technology, National Agricultural Research Center, 3-1-1 Kannondai, Tsukuba, Ibaraki 305-8666, Japan (Iwata), and Department of Agricultural Environmental Biology, Graduate School of Agriculture and Life Science, University of Tokyo, 1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan (Ukai).
Address correspondence to H. Iwata at the address above, or e-mail: iwatah@affrc.go.jp.
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Introduction |
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Quantitative evaluation of the shapes of biological organs is often required in various research fields, such as agronomy, medicine, genetics, ecology, and taxonomy. Elliptic Fourier descriptors (EFDs), proposed by Kuhl and Giardina (1982), can delineate any type of shape with a closed two-dimensional contour and have been effectively applied to the evaluation of various biological shapes in animals (Bierbaum and Ferson 1986; Diaz et al. 1989; Ferson et al. 1985; Rohlf and Archie 1984) and plants (Furuta et al. 1995; Iwata et al. 1998; McLellan 1993; Ohsawa et al. 1998;
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Quantitative Evaluation of Shape by SHAPE |
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Image Analysis and Contour Recording
Derivation of EFDs
Principal Component Analysis
Visualization of Shape Variations
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Computer Requirements and Availability |
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