Questions - OpenCV Q&A Forum

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2015-10-20 13:12:10 -0600 berak

Problems with traincascade

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no

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2015-04-14 16:17:34 -0600 OrkunK

opencv_performance return error well trained data with opencv_traincascade

opencv_traincascacde

161

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no

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no

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2014-01-08 14:44:39 -0600 Tomas

traincascade strange crash when creating classifier

deleted

384

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2013-11-22 12:22:53 -0600 ioanna

opencv_traincascade can not trained [closed]

opencv_traincascacde

217

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2013-10-11 08:28:50 -0600 Infinite Life

I need advice about params of opencv_traincascade for my training set

218

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2015-03-24 00:25:55 -0600 gunshyassassin

Error in opencv_traincascade

6k

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4

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3

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2013-03-24 09:46:51 -0600 JoeyChu

trouble when use opencv_traincascade.exe

1k

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2016-03-05 06:45:38 -0600 guomiaomiao726

Train dataset for temp stage can not be filled. - opencv 2.4.8

308

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2016-11-09 04:22:33 -0600 StevenPuttemans

How to do HAAR training?

4k

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1

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2

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2013-11-20 04:24:35 -0600 StevenPuttemans

haar cascade parameters

330

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1

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no

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2016-05-18 03:17:34 -0600 StevenPuttemans

cascade classifier takes hours in testing one image

2k

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2016-10-25 11:27:08 -0600 berak

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

cascade

516

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1

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no

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2013-10-28 00:15:29 -0600 r.a.

What should the parameters given for the haartrainig to be a success?

721

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1

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no

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2018-04-16 00:35:24 -0600 kapil goyal

aborted core dumped :NEG current samples: 7250 terminate called after throwing an instance of 'std::out_of_range' what(): basic_string::substr: __pos (which is 140) > this->size() (which is 11) Aborted (core dumped)7254

15k

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2

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2020-03-29 05:55:55 -0600 ComputerVisionary

traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)

traincascade

2k

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1

answer

1

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2015-01-27 07:04:36 -0600 StevenPuttemans

Detection of objects on the side

1k

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no

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7

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2013-10-15 10:23:40 -0600 Pedro Batista

Problems with Traincascade: A Practical Problem

1k

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2013-07-29 07:36:56 -0600 Hemu

Runtime error with opencv_createsamples

1k

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1

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no

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2020-05-21 02:45:09 -0600 berak

Can you help me with nail detection please?

objectdetection

486

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1

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no

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2015-10-07 06:08:41 -0600 Felicity

Performance Evaluation in Haar Cascade not working

3k

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1

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no

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2017-12-06 02:11:37 -0600 berak

how opencv_traincascade can using GPU

244

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2014-01-14 22:29:30 -0600 drybochkin

TrainCascade Error [closed]

opencv_traincascade

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1

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2014-05-11 08:38:02 -0600 MSoegtrop

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

opencv_traincascade

35k

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4

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2

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2014-01-19 20:49:42 -0600 antonio.paes

Traincascade Error: Bad argument (Can not get new positive sample. The most possible reason is insufficient count of samples in given vec-file.

opencv_traincascade

212

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no

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2014-03-19 03:08:22 -0600 diploma

Silly question about opencv_traincascade.exe

1k

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1

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-2

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2019-01-07 11:09:29 -0600 berak

I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable to resolve. Any help is greatly appreciated

FaceRecognizer

582

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1

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no

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2014-01-22 02:35:41 -0600 StevenPuttemans

Opencv_haartraining does not converge

135

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2020-06-23 12:06:19 -0600 supra56

LBPHFaceRecognizer slows down processes

5k

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2

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no

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2013-07-30 05:05:39 -0600 Anshul

Verify vector file and background file

4k

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1

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no

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2013-10-29 04:37:00 -0600 r.a.

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

traincascade

222 questions

Problems with traincascade

opencv_performance return error well trained data with opencv_traincascade

traincascade strange crash when creating classifier

opencv_traincascade can not trained [closed]

I need advice about params of opencv_traincascade for my training set

Error in opencv_traincascade

trouble when use opencv_traincascade.exe

Train dataset for temp stage can not be filled. - opencv 2.4.8

How to do HAAR training?

haar cascade parameters

cascade classifier takes hours in testing one image

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

What should the parameters given for the haartrainig to be a success?

aborted core dumped :NEG current samples: 7250 terminate called after throwing an instance of 'std::out_of_range' what(): basic_string::substr: __pos (which is 140) > this->size() (which is 11) Aborted (core dumped)7254

traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)

Detection of objects on the side

Problems with Traincascade: A Practical Problem

Runtime error with opencv_createsamples

Can you help me with nail detection please?

Performance Evaluation in Haar Cascade not working

how opencv_traincascade can using GPU

TrainCascade Error [closed]

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

Traincascade Error: Bad argument (Can not get new positive sample. The most possible reason is insufficient count of samples in given vec-file.

Silly question about opencv_traincascade.exe

I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable to resolve. Any help is greatly appreciated

Opencv_haartraining does not converge

LBPHFaceRecognizer slows down processes

Verify vector file and background file

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

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