public class Connectivity extends Object implements ij.plugin.PlugIn
Connectivity_
Calculate the Euler characteristic (χ) and connectivity index (β 1) of a trabecular bone network. The connectivity index can be thought of as "trabecular number".
Toriwaki J, Yonekura T (2002) Euler Number and Connectivity Indexes of a Three Dimensional Digital Picture. Forma 17: 183-209. http://www.scipress.org/journals/forma/abstract/1703/17030183.html
Odgaard A, Gundersen HJG (1993) Quantification of connectivity in cancellous bone, with special emphasis on 3-D reconstructions. Bone 14: 173-182. doi:10.1016 /8756-3282(93)90245-6
Lee TC, Kashyap RL, Chu CN (1994) Building Skeleton Models via 3-D Medial Surface Axis Thinning Algorithms. CVGIP: Graphical Models and Image Processing 56: 462-478. doi:10.1006/cgip. 1994.1042
Several of the methods are based on Ignacio Arganda-Carreras's Skeletonize3D_ plugin: Skeletonize3D homepage
Constructor and Description |
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Connectivity() |
Modifier and Type | Method and Description |
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double |
getConnDensity(ij.ImagePlus imp,
double connectivity)
Calculate connectivity density
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double |
getConnectivity(double deltaChi)
Return the connectivity of the image, which is 1 - deltaChi.
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double |
getDeltaChi(ij.ImagePlus imp,
double sumEuler)
Get the contribution of the stack's foreground particles to the Euler
characteristic of the universe the stack was cut from.
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double |
getSumEuler(ij.ImagePlus imp)
Calculate the Euler characteristic of the foreground in a binary stack
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void |
run(String arg) |
public void run(String arg)
run
in interface ij.plugin.PlugIn
public double getConnDensity(ij.ImagePlus imp, double connectivity)
imp
- Binary ImagePlusconnectivity
- Result of getConnectivity()public double getConnectivity(double deltaChi)
deltaChi
- result of getDeltaChi()public double getDeltaChi(ij.ImagePlus imp, double sumEuler)
imp
- Binary ImagePlussumEuler
- (result of getSumEuler() )public double getSumEuler(ij.ImagePlus imp)
imp
- Binary ImagePlusCopyright © 2018–2022 BoneJ. All rights reserved.