Recognition not working in light about sample-projects HOT 7 OPEN

Try to follow the tutorial: https://docs.opencv.org/3.4.1/da/d60/tutorial_face_main.html

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HI.
Before posting this comment I have tried with the same link but still m not able to recognize in lighting area.
Can you please tell me what changes I need to do in current development.

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Hello, The same problem I am facing,

1. When we train the model in low light, It doesn't recognize in high light condition.
2. when we train the model in the high light, It doesn't recognize in low light condition.
   please suggest me something other than the link you mentioned which can help in different light conditions. As I have read the link so many times.
   Thanks

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@saudet: No Clue Yet?

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You could just use the 2 classifiers that you have... ?

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Well I have Used LBPH , and it gives good result , But I need solution when light condition changes ,That's where I am stuck and Don't have any clue

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Convert Mat to gray mat
cvtColor(mat_src, mat_des, 6);
use histogram equalization
equalizeHist(mat_des, mat_des);

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