Questions - OpenCV Q&A Forum

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2017-05-22 12:15:24 -0600 pmullowney

parallelization of apps/traincascade/cascadeclassifier::fillPassedSamples()

cascadeclassifier

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1

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2016-09-02 03:23:50 -0600 StevenPuttemans

Concept of Cascade Classifier

206

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2018-08-06 05:32:34 -0600 holger

Cascade classifier help

103

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2018-03-07 09:21:15 -0600 Jad

The number of rejected windows in detectMultiScale()

556

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2018-04-27 02:07:27 -0600 berak

Training cuda::CascadeClassifier

127

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2016-09-28 13:03:20 -0600 benorg

How should I approach preparation of training data/cascade training with one object which can be one of two colors?

699

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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

161

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2015-01-03 05:50:42 -0600 tiresias

quality of trained material

313

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1

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

cascade classifier takes hours in testing one image

270

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2014-10-16 10:35:22 -0600 jcheney44

Parameters for OpenCV alt2 haar cascade [closed]

385

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2013-06-26 02:50:53 -0600 Constantin

cascade classifier - can not open '.xml' file [closed]

434

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1

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2013-04-23 04:08:34 -0600 StevenPuttemans

How to utilize cascade classifier in custom detection algorithm ?

111

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2015-10-17 20:19:36 -0600 peterl

approach to face detection in video (variable sizes and 3/4 turns)? [closed]

1k

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2017-10-30 11:27:43 -0600 Machete

finger nails detection iOS

1k

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1

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2017-07-12 07:40:18 -0600 gfx

[Solved] Ubuntu 14 opencv3.0.0 Training your own detector | packtpub.com error ...

367

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2018-03-09 08:55:21 -0600 StevenPuttemans

Cascade classier DetectMultiScale()

70

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2018-03-06 07:13:41 -0600 Jad

Is there a way to compute precision of a boosted cascade stages?

cascadeclassifier

227

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no

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2020-03-29 05:17:01 -0600 ComputerVisionary

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

212

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no

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2018-03-03 11:37:57 -0600 Jad

error while visualizing the cascade stage features

536

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2020-06-26 11:46:50 -0600 berak

Train from haarcascade frontface

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2017-10-06 13:52:14 -0600 holdman

Cascade Classifier - detectmultiscale does not return MatOfRect objects

305

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2013-11-04 08:38:19 -0600 r.a.

About Cascade Classifier Training

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

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

434

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2015-02-25 11:47:57 -0600 Schawn

Cascade training error - Empty data folder error

380

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2015-03-12 07:52:16 -0600 Schawn

Training Dectectors - Image Sample Preparations

119

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2015-04-06 23:56:36 -0600 Tariq

Training data set for frontal face cascade classifier

629

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2015-11-11 04:32:03 -0600 Marco Maisto

Cascade classifier training with HOG and different-scale blocks

1k

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1

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2016-04-18 23:39:10 -0600 WasabiFan

Tips for training cascade classifier

1k

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1

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2016-05-26 06:47:32 -0600 StevenPuttemans

Haar cascade training

258

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1

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

108 questions

parallelization of apps/traincascade/cascadeclassifier::fillPassedSamples()

Concept of Cascade Classifier

Cascade classifier help

The number of rejected windows in detectMultiScale()

Training cuda::CascadeClassifier

How should I approach preparation of training data/cascade training with one object which can be one of two colors?

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

quality of trained material

cascade classifier takes hours in testing one image

Parameters for OpenCV alt2 haar cascade [closed]

cascade classifier - can not open '.xml' file [closed]

How to utilize cascade classifier in custom detection algorithm ?

approach to face detection in video (variable sizes and 3/4 turns)? [closed]

finger nails detection iOS

[Solved] Ubuntu 14 opencv3.0.0 Training your own detector | packtpub.com error ...

Cascade classier DetectMultiScale()

Is there a way to compute precision of a boosted cascade stages?

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

error while visualizing the cascade stage features

Train from haarcascade frontface

Cascade Classifier - detectmultiscale does not return MatOfRect objects

About Cascade Classifier Training

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

Cascade training error - Empty data folder error

Training Dectectors - Image Sample Preparations

Training data set for frontal face cascade classifier

Cascade classifier training with HOG and different-scale blocks

Tips for training cascade classifier

Haar cascade training

CascadeClassifier Training - pressing "Return" Key continues computation.

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