I want to crop out eyes, nose and mouth at the same time.

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Abdulmu'min Musa 2018-11-12

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https://ww2.mathworks.cn/matlabcentral/answers/429304-i-want-to-crop-out-eyes-nose-and-mouth-at-the-same-time

评论： Abdulmu'min Musa 2018-11-26

I have a code inwhich i can detect the face, eyes, nose and mouth and crop them individually. But what i want know is to crop the eyes, nose and mouth at the same time so that they all appear in the window instead of seperate windows. Pls can someone help me with a code for it or help me adjust mine. I have tried but to no avail. Here is my codes

   %
  I = imread('05_02.jpg');
  J = imresize(I,0.5);
  % %To detect Face 
   FDetect = vision.CascadeObjectDetector; 
  %Returns Bounding Box values based on number of objects
   BB = step(FDetect,J);
  % 
   figure,
   imshow(J); hold on 
   rectangle('Position',BB,'LineWidth',3,'LineStyle','-','EdgeColor','y');
  title('Face Detection');
  hold off;
  Face=imcrop(J,BB);
  figure,imshow(Face)
%To detect Eyes
EyeDetect = vision.CascadeObjectDetector('EyePairBig');
BB=step(EyeDetect,J);
figure,imshow(J);
rectangle('Position',BB,'LineWidth',4,'LineStyle','-','EdgeColor','b');
title('Eyes Detection');
Eyes=imcrop(J,BB);
figure,imshow(Eyes);
%To detect Nose
NoseDetect = vision.CascadeObjectDetector('Nose','MergeThreshold',64);
BB=step(NoseDetect,J);
figure,
imshow(J); hold on
for i = 1:size(BB,1)
rectangle('Position',BB(i,:),'LineWidth',2,'LineStyle','-','EdgeColor','b');
end
title('Nose Detection');
hold off;
nose=imcrop(J,BB);
figure,imshow(nose);
%To detect Mouth
MouthDetect = vision.CascadeObjectDetector('Mouth','MergeThreshold',128);
BB=step(MouthDetect,J);
figure,
imshow(J); hold on
for i = 1:size(BB,1)
rectangle('Position',BB(i,:),'LineWidth',4,'LineStyle','-','EdgeColor','r');
end
title('Mouth Detection');
hold off;
mouth=imcrop(J,BB);
figure,imshow(mouth);

2 个评论
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KSSV 2018-11-12

How it going to matter? If you do all at once or one after another? If you want to display them in a singl eplot..use hold on and use imshow. Note that you need to use different p[positions to them to plot. Or mask the unwanted region and show only required.

Abdulmu'min Musa 2018-11-26

How do i go about that? Can you help me rewrite the code or where i can make the adjustment. I want the eyes, nose and mouth to be detected at the same time and cropped out at the same time. Please help.

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