How can I locate the face region which contains eyes,nostril and mouth without ear and hair by inserting the rectangular box? Viola jones based haar like feature detection is used here.I kindly request to provide the matlab coding.

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GEETHU GS 2015-9-7

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https://ww2.mathworks.cn/matlabcentral/answers/240708-how-can-i-locate-the-face-region-which-contains-eyes-nostril-and-mouth-without-ear-and-hair-by-inser

评论： Image Analyst 2017-7-11

if true
    % code
  end

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Walter Roberson 2015-9-7

What result are you expecting for people who have mustaches or beards, as those are hair?

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Answer 1

Image Analyst 2015-9-7

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https://ww2.mathworks.cn/matlabcentral/answers/240708-how-can-i-locate-the-face-region-which-contains-eyes-nostril-and-mouth-without-ear-and-hair-by-inser#answer_191583

How about this code from one of the developers of the Computer Vision System Toolbox? http://www.mathworks.com/matlabcentral/fileexchange/47105-detect-and-track-multiple-faces

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Image Analyst 2017-7-11

I don't know. Actually I have no idea what you're referring to. If no code is being run, then no error message can be generated. Something you have must be running and be trying to call or use that thing, and MATLAB doesn't know what that thing is. Could be an array, could be a function, but who knows, since it's not a variable in the program or a function on the search path or in one of your toolboxes?

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Answer 2

Dima Lisin 2015-9-8

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编辑：Dima Lisin 2015-9-8

vision.CascadeObjectDetector can be used to detect whole faces, but also to detect eyes, nose, and mouth separately. So you could detect a face, and then detect eyes, nose and mouth inside the face, and compute a tight bounding box just around those.