Simulilnk, raspberry pi and codegeneration with Image Processing Tools

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I am doing my master thesis on Simulink with a raspberry pi and its camera. My topic is to determinate the speed limit on streets.

In the matalb function I am using 'imfindcircles' and 'imcrop' to recognize round traffic signs and to crop the image to the ROI.

Does anyone knows a possibility to use the Image Processing Tools with code generation on Simulink?

function [zeile_u,spalte_u,frame] = fcn(PIimage)
frame = PIimage;
pixelL = size(frame,2);
if pixelL>641
     rmin=11;
     rmax=50;
else
    rmin=10;
    rmax=20;
end
[centers, radii] = imfindcircles(frame,[rmin rmax]);
if size(centers)~=0
    detect = true;
    x1 = round(centers(1,1));
    y1 = round(centers(1,2));
    ra1= round(radii(1,1));
    if size(centers)~=1
        ra1= round(radii(2,1));
    end
else
    detect = false;
    x1 = centers;
    y1 = centers;
    ra1= radii;
end
width1=ra1+ra1-1;
height1=ra1+ra1-1;
xmin1=x1-ra1;
ymin1=y1-ra1;
if detect==false
     ausl1 = 0;
else
    s1 = imcrop(frame, [xmin1 ymin1 width1 height1]);
    ausl1 = 1;
  
end