How was the hogdescriptor::getDefaultPeopleDetector() trained

asked 2013-07-09 09:38:05 -0600

miat123
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updated 2013-07-19 06:22:15 -0600

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

I am curious to know how the float detector[] in DefaultPeopleDetector() was trained. With this I mean what database,parameters,SVM were used. If somebody can identify the exact steps that would be very helpful.

Thank you.

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yea, and why has the getDaimlerPeopleDetector() a different size, and thus cannot be used ?

berak ( 2013-07-09 09:48:43 -0600 )edit

Hi berak, i guess the size of the DaimlerPeopleDetector() is 48x96 since the training images from the Daimler Benchmark dataset has this size. The dataset and the paper where it is described can be found here: http://www.gavrila.net/Research/Pedestrian_Detection/Daimler_Pedestrian_Benchmark_D/Daimler_Mono_Ped__Detection_Be/daimler_mono_ped__detection_be.html

Siegfried ( 2013-07-09 10:21:16 -0600 )edit

thanks, siegfried, sorry, btw, for hijacking the question ;)

berak ( 2013-07-09 10:23:02 -0600 )edit

to use DaimlerPeopleDetector just set winsize to 48X96

Spas Hristov ( 2013-07-12 01:58:26 -0600 )edit

thanks, @Spas.

berak ( 2013-07-12 02:15:00 -0600 )edit

Has anybody figured it out ?

nexocv ( 2015-11-19 11:15:30 -0600 )edit

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I had the same thing. In my case, the reason was due to the fact that the computed weights were all equal to 0. I suggest you to check them out...

nexocv ( 2015-11-25 11:57:55 -0600 )edit

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How was the hogdescriptor::getDefaultPeopleDetector() trained

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