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2017-05-10 09:13:12 -0600 commented answer LBPH training and test faces image size(Python)

somehow ??

2017-05-08 07:00:07 -0600 commented answer LBPH training and test faces image size(Python)

Thanks i got a 92% of positive recognition now ! but still, the provided link of yours isn't in python, any hints where i can find the python copy of it ?!

2017-05-07 15:42:39 -0600 answered a question Face Recognition Parameters

Any idea ?

2017-05-07 15:37:43 -0600 commented answer Face Detection Parameters

Thanks a lot, thats was really helpful, one more thing, is theres any suggestions about the best values for theses parameters to choose ?

2017-05-07 15:32:54 -0600 asked a question LBPH training and test faces image size(Python)

Hello

Its an easy question but i need the answer from people who tried it, should my training images be of the same size as my test images ? and if yes how could i do that in python3 and OpenCV3.2 ?

one more thing, can you guide me to any easy guide to how to align face images without using OpenFace ?
Thanks

2017-05-03 13:14:09 -0600 asked a question Face Recognition Parameters

Hello, am currently working with a face detection - recognition system, and currently am in the testing stage, but i am getting a bad recognition results either as a

a)false positive (person X is identified as Person Y),

b) negative (Person X is identified as Unknown),

c) few positives (Person X is identified as Person X)

I have searched a lot, and came to many important points.

  1. The training

my case : i trained 50 face for each person, each face image was around [150150 to 200200] but i wasn't able to recognize any face that were 5050 or even 8080, how could i recognize them, more faces into training ? or what should i do ?

I'm using python 3, OpenCV 3.2 and LBPH as recognizer. Thanks for your time.

2017-05-03 13:07:36 -0600 asked a question Face Detection Parameters

Hello, am currently working with a face detection - recognition system, and currently am in the testing stage, but i am confused with Detection phase I have searched a lot, and came to many important points.

  1. The detection i.e.

    face_cascade.detectMultiScale(gray, 1.05, 3,minSize=(20, 20), maxSize=(200,200))
    

how should i choose, scaling factor, and how is it important (i didn't totally understood what its useful for though i read a lot ), and how to choose min. neighbors and the window size to ensure that i will be able later on to recognize these faces.

2017-05-03 13:04:53 -0600 commented question Face recognition parameters

okay delete this one and i will separate the question right away

2017-05-03 12:55:50 -0600 asked a question Face recognition parameters

Hello, am currently working with a face detection - recognition system, and currently am in the testing stage, but i am getting a bad recognition results either as a

a)false positive (person X is identified as Person Y),

b) negative (Person X is identified as Unknown),

c) few positives (Person X is identified as Person X)

I have searched a lot, and came to many important points.

  1. The detection i.e.

    face_cascade.detectMultiScale(gray, 1.05, 3,minSize=(20, 20), maxSize=(200,200))
    

how should i choose, scaling factor, and how is it important (i didn't totally understood what its useful for though i read a lot ), and how to choose min. neighbors and the window size.

2.The training i.e.

i use the same detection code to grap a new image and traing them, should i use same parameters too ?

also how many faces per person should i take ? 5, 10 , 50 ??

one last thing is when i train lets say 50 image per person as a close image (200200), i can't detect that person almost at all if his face were sth around (100100), how could i solve this, should i train more image ?

Thanks for your time and sorry if this is a long post.