Questions - OpenCV Q&A Forum

605

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1

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no

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2015-10-28 09:37:38 -0600 Corto

TrainCascade image positive problem

1k

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3

answers

no

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2017-11-06 14:29:17 -0600 classic

Haarcascade "KILLED"

haarcascade

190

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no

answers

no

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2013-11-12 23:57:55 -0600 gsgrebe

traincascade exits early, no error [closed]

cascadetraining

297

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no

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no

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2016-02-03 10:33:51 -0600 Lory

Why does OpenCV recognize the object only in training images? [closed]

371

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no

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no

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2014-05-12 20:49:53 -0600 alberta_008

TrainCascade stuck on getting new negatives

5k

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1

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no

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2015-01-06 06:29:35 -0600 StevenPuttemans

Haar Training: error (-215)_img.row * _img.cols == vecSize in function get

opencvtraincascade

87

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no

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no

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2015-10-20 07:19:11 -0600 kelpie

opencv_traincascade unhandeled exception

cvhaartraining

563

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no

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no

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2013-10-22 03:06:52 -0600 samkhan13

Python, OpenCV: unable to make custom LBP cascade using opencv_traincascade

704

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1

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no

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2016-06-02 12:59:29 -0600 xEden

opencv_traincascade.exe crashes while at NEG current samples

229

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1

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no

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2016-06-22 11:02:19 -0600 danaro

training stage-1 error

305

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no

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no

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2016-12-26 06:04:55 -0600 petr.shypila

Object detection rectangle doesn't cover whole object

632

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no

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no

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2015-07-06 10:09:59 -0600 jackwayneright

opencv_traincascade stuck on precalculation when running LBP mode

6k

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1

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no

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2013-07-19 06:39:24 -0600 StevenPuttemans

Getting Error "Image reader can not be created from -vec vector.vec and -bg bkg.dat"

1k

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no

answers

no

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2014-02-05 05:39:22 -0600 ART

Unspecified error in persistence.cpp during trainingcascade

544

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no

answers

no

votes

2017-07-02 21:51:36 -0600 wureka

Why vGPU (Tesla K80) on Google cloud slower than GTX940M on T460P

226

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1

answer

no

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2017-12-24 05:44:36 -0600 classic

Need help pls ! My haartraining is blocked at stage 11

161

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1

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no

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2016-10-07 03:48:13 -0600 StevenPuttemans

opencv_traincascade always halts on stage 4.i

2k

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1

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no

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2017-01-23 08:38:45 -0600 Martin93

Traincascade - still confused about acceptanceRatio

220

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1

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no

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2017-01-25 03:56:08 -0600 StevenPuttemans

Opencv3.1-Train dataset for temp stage can not be filled. Branch training terminated. Is this error if not how can i improve it further ?

1k

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no

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no

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2013-12-22 07:24:36 -0600 _Robert

How do I reduce the effects of lighting conditions for a face expression classification system?

85

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no

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no

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2016-06-08 10:06:31 -0600 mmc

Train dataset for temp stage can not be filled

traincascade

2k

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1

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no

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2015-04-09 06:12:52 -0600 tomnjerry

OpenCV Error: Bad Argument <Can not get new positive sample....

traincascade

6k

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1

answer

no

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2013-11-25 02:17:25 -0600 StevenPuttemans

my classifier using haar cascade can not detect anything

#cvhaartraining

936

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1

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no

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2016-02-11 06:30:26 -0600 StevenPuttemans

CascadeClassifier::detectMultiScale alogical influence of minSize parameter

detectMultiScale

458

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1

answer

no

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2013-10-17 06:01:32 -0600 StevenPuttemans

Minimize False Positives using opencv_traincascade

1k

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no

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no

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2017-05-28 07:36:37 -0600 sebastienTurr

Error at the begining of Training Stage 1

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

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

135

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no

answers

no

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

LBPHFaceRecognizer slows down processes

582

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1

answer

no

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

222 questions

TrainCascade image positive problem

Haarcascade "KILLED"

traincascade exits early, no error [closed]

Why does OpenCV recognize the object only in training images? [closed]

TrainCascade stuck on getting new negatives

Haar Training: error (-215)_img.row * _img.cols == vecSize in function get

opencv_traincascade unhandeled exception

Python, OpenCV: unable to make custom LBP cascade using opencv_traincascade

opencv_traincascade.exe crashes while at NEG current samples

training stage-1 error

Object detection rectangle doesn't cover whole object

opencv_traincascade stuck on precalculation when running LBP mode

Getting Error "Image reader can not be created from -vec vector.vec and -bg bkg.dat"

Unspecified error in persistence.cpp during trainingcascade

Why vGPU (Tesla K80) on Google cloud slower than GTX940M on T460P

Need help pls ! My haartraining is blocked at stage 11

opencv_traincascade always halts on stage 4.i

Traincascade - still confused about acceptanceRatio

Opencv3.1-Train dataset for temp stage can not be filled. Branch training terminated. Is this error if not how can i improve it further ?

How do I reduce the effects of lighting conditions for a face expression classification system?

Train dataset for temp stage can not be filled

OpenCV Error: Bad Argument <Can not get new positive sample....

my classifier using haar cascade can not detect anything

CascadeClassifier::detectMultiScale alogical influence of minSize parameter

Minimize False Positives using opencv_traincascade

Error at the begining of Training Stage 1

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

Verify vector file and background file

LBPHFaceRecognizer slows down processes

Opencv_haartraining does not converge

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