how to run opencv_creatsamples.exe

asked 2013-03-04 06:54:32 -0600

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hello there, I am trying to run opencv_createsamples.exe on my computer running Windows8(64-bit). My file is in directory C:\Emgu\bin\opencv_createsamples.exe. So whenever I try to run it from its directory using cmd it gives error: "The program can't start because opencv_core249.dll is missing from your computer.Try reinstalling the program to fix this problem." I've also tried re-installing it but it doesn't work. Can somebody help me?

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You probably need to add opencv_core249.dll to your system Path. This means locating it in your OpenCV install and adding that entire directory to your PATH variable in Windows->Advanced Settings.

This is the last step in the installation tutorial

awknaust ( 2013-03-04 08:49:51 -0600 )edit

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answered 2013-03-04 09:36:48 -0600

This post is a wiki. Anyone with karma >50 is welcome to improve it.

1) Add the dll to the folder where the exe is located after manually compiling your createsamples.

OR

2) Like mentioned above, add the dll folder of OpenCV to your operatings system PATH variable.

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thank you , thank you very much for helping me champions!.. it worked

SuYo ( 2013-03-05 07:11:34 -0600 )edit

You are welcome :) If it is fixed, then please accept answers, it will show people that topic is closed.

StevenPuttemans ( 2013-03-05 08:23:38 -0600 )edit

sorry, I have another problem. I have 2 +ive samples inside "PositiveImages", 2 -ive in "NegativeImages" directory.All +img list in pos_desc.txt and -img list in neg_desc.txt I give the cmd > opencv_createsamples -vec pos_vec.vec -info pos_desc.txt -bg neg_desc.txt -num 9 it created only 2 samples . What did went wrong? And also please guide me how to use opencv_traincascade with same vec file. Thank you

SuYo ( 2013-03-06 04:12:20 -0600 )edit

Hi, Can you tell me how to know how many number of positive samples to generate? And how to feed paramaters into opencv_traincascade such as -numPos -numNeg -numStages -precalcValBufSize -precalcIdxBufSize etc.

SuYo ( 2013-03-06 04:21:39 -0600 )edit

Create a new question for your problem, this is not the way to go and people won't look at the problem :)

StevenPuttemans ( 2013-03-06 04:46:57 -0600 )edit

Can I have some good tutorial to create a classifier stepwised? Tired of searching...bot no good one found

SuYo ( 2013-03-06 04:47:12 -0600 )edit

As a last help: http://note.sonots.com/SciSoftware/haartraining.html This is about the most common referred manual for classifier training. Following his steps it should all work. Next time, new problem = new question, also accept peoples answers when they help you, else people will stop helping out :)

StevenPuttemans ( 2013-03-06 04:49:12 -0600 )edit

1

thanks a lot ... for your support :)

SuYo ( 2013-03-06 05:09:10 -0600 )edit

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answered 2014-10-26 15:30:40 -0600

Sabri
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In Visual Studio 2013 you need to add this to to Environment Variables and then Restart your pc. This is the path where .dll file located in.

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