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opencv_traincascade giving error: parameters cannot be written, because params.xml cannot be opened.

asked 2013-10-11 01:33:25 -0500

Tanay gravatar image

updated 2013-10-11 01:41:05 -0500

berak gravatar image

i am trying to train a haar cascade using opencv_traincascade.exe with 101 positive samples n the vector file and 50 negative images. what should be my command so that i can avoid the above mentioned problem.

i am using windows 8, 64-bit system.

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answered 2013-10-29 02:45:05 -0500

r.a. gravatar image

updated 2013-10-29 04:37:00 -0500

You have wrong parameters try something like this:

-data C:\MyProject\data -vec C:\MyProject\Vector.vec -bg C:\MyProject\Neg.txt -numPos 500 -numNeg 2000 -numStages 14 -precalcValBufSize 50 -precalcIdxBufSize 256 -featureType LBP -w 30 -h 26 -minHitRate 0.998 -maxFalseAlarmRate 0.5

Probably in -data you have specified a file instead of folder. See also opencv doc of train_cascade, you have there all the parameters and check in this forum to learn more on the parameters,there are many questions on this topic. Good luck!

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Asked: 2013-10-11 01:33:25 -0500

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Last updated: Oct 29 '13