MATLAB: Define new tracking box

Computer Vision Toolboxtracking

Hi, I detect my circle like the picture in attachment. I want to track the center of my circle (I already succed to track the center and add the marker) but I want that my trackingbox is the circle like in this link https://fr.mathworks.com/help/vision/examples/motion-based-multiple-object-tracking.html where trackingbox is a rectangle around the people. I want to do this because I would like to differtiate the 2 circles when they are stacked.

Thanks for your help

Best Answer

So just use viscircles() to plot the circle over the image and rectangle() to plot the box.

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MATLAB: Putting two circles on the same image

Try the following

function [outimg] = CircleIm(radius)
SizeX = 256;
SizeY = 256;
[C, R] = meshgrid(1:SizeX, 1:SizeY);
centerX = 64;
centerY = 64;
centerX1 = 192;
centerY1 = 192;
circle = (R - centerY).^2 + (C - centerX).^2 <= radius.^2;
circle1 = (R - centerY1).^2 + (C - centerX1).^2 <= radius.^2;
circles = circle|circle1;
outimg=image(circle|circle1);
colormap([0 0 0.4; 1 1 1]);
end

your method of hold on will make draw the new image on top of the last image. You need to or both images together to retain both circles. The following are drawn with a radius of 20.

Best Answer

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MATLAB: Putting two circles on the same image

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