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2018-12-02 12:02:26 -0600 received badge  Popular Question (source)
2016-04-22 23:55:40 -0600 commented answer how to find mouth and detect yawning in realtime video using opencv c++?

thnx.but i cant study this book.because my country is in Financial sanctions for political reasons and i cant buy this book with credit card.

2016-04-20 05:29:09 -0600 received badge  Student (source)
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2016-04-20 01:00:15 -0600 asked a question how to find mouth and detect yawning in realtime video using opencv c++?

i need to detect face and eyes and mouth to detect a drowsy person. i found face and eyes with xml files of opencv. but it seems finding the mouth using haarcascade is not possible.because it doesnt work good.thats why i Decided to use an algorithm to do it.but using canny and sobel etc didn t help me to find mouth.Specially in images with low Quality.creating a new xml file also is hard. then now i dont know how can i find mouth and detect yawning??i use opencv c++ .may i ask you to help me for it?