Questions - OpenCV Q&A Forum

253

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2016-12-10 23:08:42 -0600 stephenc

Opencv_traincascade failing on precalculation for negatives

1k

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1

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no

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2015-12-04 04:57:26 -0600 StevenPuttemans

haartraining and objectmarker

2k

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2

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no

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2016-02-02 06:50:43 -0600 StevenPuttemans

why may detectMultiScale() give too many points out of the interested object?

216

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no

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

Error in opencv_traincascade

3k

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1

answer

1

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2013-12-11 06:17:02 -0600 StevenPuttemans

Haartraining and Traincascade crashes creating XML.

269

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2014-04-10 05:42:59 -0600 Cesans

Does time of Cascade Classifying depend on number of training images? [closed]

362

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2015-12-26 22:34:50 -0600 MRDaniel

Opencv_TrainCascade OutOfMemoryException

864

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1

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no

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2015-03-18 09:56:06 -0600 Daniil Osokin

Offset calculation for a Mat object (traincascade)

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no

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

Unspecified error in persistence.cpp during trainingcascade

271

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2018-03-09 11:29:29 -0600 sgrossberndt

Need help optimizing training setup to detect all german traffic signs

opencv_traincascade

660

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1

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no

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2016-10-28 04:51:23 -0600 StevenPuttemans

Picture and Samples Sizes opencv_traincascade

5k

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1

answer

1

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2013-05-28 01:51:22 -0600 FredJiang

Error during training with opencv_traincascade

1k

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1

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no

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2015-03-10 09:23:03 -0600 fedor

segmentation fault on traincascade

4k

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2

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1

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2013-03-12 05:01:12 -0600 jompa234

Custom HOGDetector using CvSVM and HOG features.

389

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no

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no

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2017-11-05 10:45:26 -0600 jakub.pietrzak96

opencv_traincascade too quick with bad results [closed]

281

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1

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no

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2016-06-22 05:10:12 -0600 Micka

CascadeClassifier Training - pressing "Return" Key continues computation.

29k

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5

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3

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2014-06-30 07:54:17 -0600 keyvan

Cascade Training Error OpenCV 2.4.4 - Train dataset for temp stage can not filled. Branch training terminated. Cascade Classifier can't be trained. check the used training parameters

2k

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1

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no

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2014-02-11 03:14:43 -0600 StevenPuttemans

Need help on trainCascade usage of mine

163

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no

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2017-01-19 08:01:34 -0600 kabdriver

Classifier with a lot of false positive

haartraning

2k

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2

answers

-1

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2015-04-24 05:04:30 -0600 la lluvia

get images from opencv_createsamples, annotations, png files

458

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1

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no

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2016-06-21 13:13:15 -0600 Bruce

Can not change width height (-w -h parameter) in opencv_trainingcascade.exe???

opencv

711

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1

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no

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2015-03-04 03:39:30 -0600 StevenPuttemans

opencv train classifier never contiueus 3 stage

678

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1

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no

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2015-12-04 11:55:05 -0600 anushka123shet

OpenCV 3.0.0 - traincascade.exe : Traindata set for temp stage cannot be filled

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no

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no

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2016-05-21 14:42:50 -0600 slnowak

Training cascade classifier: Can not get new positive sample

1k

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2

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1

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2015-02-09 07:00:48 -0600 _Martin

Why does opencv_traincascade not ignore nodes with a false alarm rate of 1

opencv_traincascade

1k

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1

answer

2

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2013-09-24 03:10:04 -0600 StevenPuttemans

Weird results from cascade training

350

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1

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no

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2015-05-13 03:24:29 -0600 Gino Strato

Does opencv_traincascades give consistent results over time?

opencv_traincascade

635

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1

answer

no

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2013-11-11 06:04:26 -0600 Pedro Batista

Time to train a cascaded classifier?

232

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no

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no

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2014-07-24 14:17:06 -0600 Shiloh

Question about numPos, S in traincascade, and hard negative

1k

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2

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no

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2013-08-07 06:54:31 -0600 StevenPuttemans

198 questions

Opencv_traincascade failing on precalculation for negatives

haartraining and objectmarker

why may detectMultiScale() give too many points out of the interested object?

Error in opencv_traincascade

Haartraining and Traincascade crashes creating XML.

Does time of Cascade Classifying depend on number of training images? [closed]

Opencv_TrainCascade OutOfMemoryException

Offset calculation for a Mat object (traincascade)

Unspecified error in persistence.cpp during trainingcascade

Need help optimizing training setup to detect all german traffic signs

Picture and Samples Sizes opencv_traincascade

Error during training with opencv_traincascade

segmentation fault on traincascade

Custom HOGDetector using CvSVM and HOG features.

opencv_traincascade too quick with bad results [closed]

CascadeClassifier Training - pressing "Return" Key continues computation.

Cascade Training Error OpenCV 2.4.4 - Train dataset for temp stage can not filled. Branch training terminated. Cascade Classifier can't be trained. check the used training parameters

Need help on trainCascade usage of mine

Classifier with a lot of false positive

get images from opencv_createsamples, annotations, png files

Can not change width height (-w -h parameter) in opencv_trainingcascade.exe???

opencv train classifier never contiueus 3 stage

OpenCV 3.0.0 - traincascade.exe : Traindata set for temp stage cannot be filled

Training cascade classifier: Can not get new positive sample

Why does opencv_traincascade not ignore nodes with a false alarm rate of 1

Weird results from cascade training

Does opencv_traincascades give consistent results over time?

Time to train a cascaded classifier?

Question about numPos, S in traincascade, and hard negative

Problem: haartraining.exe crashes while training

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