Measuring the contact angle of droplet.
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I'm a beginner in image processing at Matlab.I would like to measure the static contact angle of a water droplet on surface. The purpose of this measurement is to determine whether a surface is hydrophobic or not. I've my input image. How can I start? Need some suggestions.
2 个评论
darova
2019-4-22
What if draw a line manually?
clc, clear
I = imread('cameraman.tif');
imshow(I)
h = msgbox('Draw Line');
waitfor(h)
hline = imline;
p = hline.getPosition;
x = p(:,1);
y = p(:,2);
a = atand(diff(y)/diff(x));
h = msgbox( sprintf('Angle: %2.2f degrees',a) );
waitfor(h)
回答(1 个)
Image Analyst
2013-10-5
The slope changes continuously as the surface of the droplet approaches the flat surface. Is there some industry standard method for getting the contact angle, assuming you can get a good cross section of the droplet?
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