Why i'm getting imcrop error

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Ankit Singh 2016-5-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/283085-why-i-m-getting-imcrop-error

评论： Ankit Singh 2016-5-7

NotYet = false;
C = webcamlist;
cam=webcam(C{3});
preview(cam);
while ~NotYet
    tic;pause(0.10);toc;
    I = snapshot(cam);
    faceDetect = vision.CascadeObjectDetector();
    bbox=step(faceDetect,I);
    if ~isempty(bbox)
        NotYet = true;
        break;
    end
end
closepreview;
clear('cam');
face = imcrop(I,bbox);
imwrite(face, 'face.png');

how to avoid these error while presenting to external

Error in imshow (line 222)
      images.internal.imageDisplayParseInputs({'Parent','Border','Reduce'},preparsed_varargin{:});
Error in imcrop>parseInputs (line 252)
            imshow(a,cm);
Error in imcrop (line 93)
[x,y,a,cm,spatial_rect,h_image,placement_cancelled] =
parseInputs(varargin{:});
Error in DetectFaceandEyes (line 19)
face = imcrop(I,bbox);