Can I use regionprops two times with two different variables in the same program at time?
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if true
clc;
close all;
clear;
workspace;
folder = pwd;
% folder = pwd;
filepattern = fullfile(folder, '*.png');
srcFiles = dir(filepattern);
numImages = length(srcFiles);
for k = 1 : numImages
fullFileName = fullfile(folder, srcFiles(k).name);
a = imread(fullFileName);
bwimg =bwareafilt(~a, 1);
s=regionprops(bwimg,'Orientation');
theta = s(1).Orientation;
if theta>=0 && theta<90
phi=90-theta;
Y=imrotate(bwimg,phi);
else
phi=90+theta;
Y=imrotate(bwimg,-phi);
end
s1=regionprops(Y,'Centroid','BoundingBox','MajorAxisLength','MinorAxisLength');
circleCenterX = s1.Centroid(1);
circleCenterY= s1.Centroid(2);
diameters = mean([s1.MajorAxisLength s1.MinorAxisLength],2);
end
end
This is showing me error that multiple field reference. I am first rotating the images then again taking its property as centroid and orientation has been changed from the original image but its not working.
4 Kommentare
KALYAN ACHARJYA
am 18 Sep. 2018
Bearbeitet: KALYAN ACHARJYA
am 18 Sep. 2018
Have you checked this code with the single image file (remove loop)?
Matt J
am 18 Sep. 2018
This is showing me error that multiple field reference.
You need to show that error to us, too.
Antworten (1)
Saurabh Patel
am 19 Sep. 2018
Bearbeitet: Walter Roberson
am 19 Sep. 2018
Probably following lines have error.
circleCenterX = s1.Centroid(1); circleCenterY= s1.Centroid(2);
s1 might be nx1 struct with n greater than 1. My guess is bwareafilt is producing an oversegmented object. You can try the following:
Area = [s1.Area];
index = find(Area==max(Area));
circleCenterX = s1(index).Centroid(1);
circleCenterY= s1(index).Centroid(2);
diameters = mean([s1(index).MajorAxisLength s1(index).MinorAxisLength],2);
3 Kommentare
Saurabh Patel
am 19 Sep. 2018
I'm not sure what's happening there. regionprops should not return 2x1 struct without any values. If image was empty, it should have returned an empty struct (0x1).
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