facial recognition for a personal control

asked 2013-03-19 18:43:49 -0600

jcondem
6 ●1

I'm trying to work in a project that consist in create an aplication wich have to identify de people that works in a place, so do i don't know how to start, i know that i have to do two steps first the facial detection and then the facial recognition. But there's the problem i can't find the way to capture the face in live. Please help me, and something more i'm working in visual studio and of course open cv

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are you trying to survey people at work ? that sounds like a horrible idea

berak ( 2013-03-20 04:33:34 -0600 )edit

I suspect OpenCV is used for /far/ more morally suspect tasks... you seem to be reading a lot into the OPs question, it might be simply to ID someone who is not on the employee list, some kind of security thing, no?

Barry Thomas ( 2013-03-20 06:37:08 -0600 )edit

ah, you're probably right

berak ( 2013-03-20 06:43:55 -0600 )edit

I'm trying to replace de dactilar biometric, i want to create a facial biometric as a dactilar biometric

jcondem ( 2013-04-01 21:32:13 -0600 )edit

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answered 2013-03-20 04:30:43 -0600

StevenPuttemans

20029 ●16 ●82 ●207 http://stevenputtemans...

First step : face detection --> only works with frontal faces

http://docs.opencv.org/doc/tutorials/objdetect/cascade_classifier/cascade_classifier.html#cascade-classifier

Second step : face recognition --> can be done in many ways, but eigenfaces / fisherfaces is used a lot in practice, when trying to perform this

http://docs.opencv.org/modules/contrib/doc/facerec/facerec_api.html?highlight=eigenface#Ptr%3CFaceRecognizer%3E%20createEigenFaceRecognizer%28int%20num_components%20,%20double%20threshold%29

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thank you

jcondem ( 2013-04-01 21:32:53 -0600 )edit

If it helped you, mark the question as answered please :)

StevenPuttemans ( 2013-04-02 02:39:36 -0600 )edit

i would like to know what theory uses the open cv, like neuronal nets or pca or pdc something like that

jcondem ( 2013-04-15 11:09:18 -0600 )edit

For the detection of faces, please read the Viola&Jones 2009 BMVC paper. For the recognition task, they give the option to use eigenfaces or fisherfaces. From those faces descriptions are stored and then it is a simply codebook matching algorithm as far as I know.

StevenPuttemans ( 2013-04-15 11:21:14 -0600 )edit

Ok, thank you so much, but i have problems with the compilation, currently i'm working with the opencv 2.4.3 and the visual 2008, let me say you that i don't have problems in the instalation, i have problems in the source code that you show me:

http://docs.opencv.org/doc/tutorials/objdetect/cascade_classifier/cascade_classifier.html#cascade-classifier

Second step : face recognition --> can be done in many ways, but eigenfaces / fisherfaces is used a lot in practice, when trying to perform this

http://docs.opencv.org/modules/contrib/doc/facerec/facerec_api.html?highlight=eigenface#Ptr%3CFaceRecognizer%3E%20createEigenFaceRecognizer%28int%20num_components%20,%20double%20threshold%29

jcondem ( 2013-07-23 16:57:42 -0600 )edit

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facial recognition for a personal control

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