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Euclidean skeleton

version 1.0.0.0 (58.6 KB) by Su Dongcai
Generate euclidean skeleton by watershed algorithm and the "rigides gradient"

4.1K Downloads

Updated 16 Nov 2009

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%the function work in 4 steps:
%1. compute the inverse eucilidean distance trasform ("inv_distance") of "bw"
%2. compute the ridges(watersheds) of "inv_distance" by watershed algorithm
%3. compute the gradient of ridges "rigid_grad"
%4. compute the final skeleton by Thresholding, dilation and thining "rigid_grad".
%The meaning of "gradient of ridges" is defined due to
%Nicholas R. Howe and Alex Telea: "A point on the skeleton sits at the center of a circle that touches the edge of the figure at multiple points.
%The intensity in the gray-level skeleton image ("rigides_grad" in this file) is based on the shortest distance you would have to travel around the perimeter of
%the figure to connect the most distant two points."

%Acknowledgement:
%[1] This work was inspired by Nicholas R. Howe. Please go to his website
%http://maven.smith.edu/~nhowe/research/code/
%for more details.
%[2] Xiaochen He, for the images provided in his file:
%"A Corner Detector based on Global and Local Curvature Properties"
%http://www.mathworks.com/matlabcentral/fileexchange/7652-a-corner-detector
%-based-on-global-and-local-curvature-properties

Cite As

Su Dongcai (2022). Euclidean skeleton (https://www.mathworks.com/matlabcentral/fileexchange/25865-euclidean-skeleton), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
Windows macOS Linux

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