From 97b42aa9b01d6f9806ec199e90aa2b159402a34b Mon Sep 17 00:00:00 2001
From: Jean-Yves TINEVEZ <tinevez@pasteur.fr>
Date: Mon, 6 Jul 2020 15:11:59 +0200
Subject: [PATCH] Add eccentricity descriptor.
---
src/@epicell/epicell.m | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/@epicell/epicell.m b/src/@epicell/epicell.m
index 64b375d..befda3f 100644
--- a/src/@epicell/epicell.m
+++ b/src/@epicell/epicell.m
@@ -10,6 +10,7 @@ classdef epicell
perimeter
euler_angles
ellipse_fit
+ eccentricity
uncorrected_area
uncorrected_perimeter
id
@@ -43,7 +44,13 @@ classdef epicell
% Morphological descriptors on non-downsampled boundary.
p = epicell.centered_points( boundary );
obj.euler_angles = epicell.fit_plane( p );
- obj.ellipse_fit = epicell.fit_ellipse_3d( boundary, obj.euler_angles );
+ obj.ellipse_fit = epicell.fit_ellipse_3d( boundary, obj.euler_angles );
+
+ % Derived morphological descriptors.
+ a = obj.ellipse_fit( 4 );
+ b = obj.ellipse_fit( 5 );
+ obj.eccentricity = sqrt( 1 - ( b/a) * (b/a) );
+
end
function h = plot_patch_2d( obj, val )
--
GitLab