Questions - OpenCV Q&A Forum

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2013-11-04 01:02:19 -0600 mswcpt

Image preparation for haartraining - correct method

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2014-02-26 13:31:21 -0600 mswcpt

haarcascade finger-tip detection and image prep [closed]

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2014-07-17 02:43:45 -0600 MaR1oC

Which image format is the best for haar training? [closed]

cvhaartraining

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2015-11-02 16:06:51 -0600 Papercut

Broken understainding - creating a classifier

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

Parameters for OpenCV alt2 haar cascade [closed]

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2015-01-17 06:16:17 -0600 StevenPuttemans

Gender recognition

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2015-01-27 02:33:31 -0600 jackmagic1

Cascade trained from trainingcascade unaccurate

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2015-03-08 13:23:05 -0600 Aspiring_roboticist

Detecting silver coins on a carpet with camera mounted to iRobot Create

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

Training Dectectors - Image Sample Preparations

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2015-03-13 02:34:33 -0600 dmilne

Generating good training data for haar cascades

cvhaartraining

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2015-03-23 19:42:21 -0600 superlou

Haar classifiers for multiple poses

cvhaartraining

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2015-06-17 22:33:19 -0600 Vishu

Haar Training got stuck [closed]

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2015-09-07 10:42:11 -0600 Steven_ocv

Train Cascade parameters calculations issue

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2015-10-02 09:52:21 -0600 Aravind

Getting NCV assertion failed error NCV stat=28

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

opencv_traincascade unhandeled exception

cvhaartraining

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2015-11-07 07:18:10 -0600 wrongship

Haar training for multiple pose

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2016-03-03 09:04:53 -0600 DD

opencv_traincascade.exe crashes without an errormessage

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

Training cascade classifier: Can not get new positive sample

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2016-06-30 10:13:20 -0600 bertumen.wj

I plan to recognize paper bills by denomination but i can't think of a way to do so ... it must be invariant of illumination, rotation and scale. can i use haar or LBP ? do you have any suggestions?

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2016-10-07 13:00:11 -0600 Neldar

Haar Training detectMultiScale does not work very well when size vary

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2016-11-04 09:00:44 -0600 m850140

My Haarcascade classifier uses a vector file of -w=20, -h=20 for training. There are some false negative results when testing. Does increasing -w and -h improve performance of my Haarcascade classifier?

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2016-11-18 08:48:11 -0600 IlyaLupa

Is it possible to port CascadeClassifier from v 2.4.11 to 3.1.0

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

How to do HAAR training?

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2016-12-03 04:25:47 -0600 biagio montesano

A Haar classifier for trees in satellite image: how to generate positive samples?

cvhaartraining

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2017-03-24 14:45:20 -0600 sayem48

Haar Cascade training for leaves detection

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2017-06-28 10:07:31 -0600 eshirima

Cascade training parameters and time

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

Cascade Classifier - detectmultiscale does not return MatOfRect objects

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2017-12-21 20:43:46 -0600 bateringzax

Poor Cascade Training Results

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2018-02-27 12:05:24 -0600 Himanshu Walia

How to increase the quality of sampled images ? and does it affect the classifiers accuracy ?

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2018-08-01 11:51:25 -0600 graham

55 questions

Image preparation for haartraining - correct method

haarcascade finger-tip detection and image prep [closed]

Which image format is the best for haar training? [closed]

Broken understainding - creating a classifier

Parameters for OpenCV alt2 haar cascade [closed]

Gender recognition

Cascade trained from trainingcascade unaccurate

Detecting silver coins on a carpet with camera mounted to iRobot Create

Training Dectectors - Image Sample Preparations

Generating good training data for haar cascades

Haar classifiers for multiple poses

Haar Training got stuck [closed]

Train Cascade parameters calculations issue

Getting NCV assertion failed error NCV stat=28

opencv_traincascade unhandeled exception

Haar training for multiple pose

opencv_traincascade.exe crashes without an errormessage

Training cascade classifier: Can not get new positive sample

I plan to recognize paper bills by denomination but i can't think of a way to do so ... it must be invariant of illumination, rotation and scale. can i use haar or LBP ? do you have any suggestions?

Haar Training detectMultiScale does not work very well when size vary

My Haarcascade classifier uses a vector file of -w=20, -h=20 for training. There are some false negative results when testing. Does increasing -w and -h improve performance of my Haarcascade classifier?

Is it possible to port CascadeClassifier from v 2.4.11 to 3.1.0

How to do HAAR training?

A Haar classifier for trees in satellite image: how to generate positive samples?

Haar Cascade training for leaves detection

Cascade training parameters and time

Cascade Classifier - detectmultiscale does not return MatOfRect objects

Poor Cascade Training Results

How to increase the quality of sampled images ? and does it affect the classifiers accuracy ?

Cascade Training - nneg setting with prepared negative images

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