image processing - OpenCV HOG and SVM implementation -


i trying use hog , svm methods find person walks under camera. working opencv train_hog example. changed size( 96, 160 ) size( 240, 240 ) in lines 433 437 438 , 442 because size of video (240x240).

i use inria dataset negative samples , frames walking person video positive samples.

after running train_hog.cpp, got no error. problem when give video input test_it() function, couldn't find same person walking around.

what problem here?

i have 100 positive sample. few? or problem default hog , svm parameters? (because didn't change parameters) or else?

example pos sample:

enter image description here

p.s : can done background subtraction want use hog , svm.


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