Questions - OpenCV Q&A Forum

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2019-03-03 03:44:29 -0600 LBerger

How do I evaluate the performance of Haar Cascade in test data ? How do we classify the set of images in different categories using Haar Cascade, just like CNN does?

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2020-03-10 12:59:21 -0600 dunnoguy

How to live stream to a website using cv2 library

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2016-10-31 06:00:35 -0600 StevenPuttemans

Haar classifier limitations

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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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2016-12-17 01:50:22 -0600 berak

openCV 2.4.9.1 sample creation works but gives error message

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2013-10-17 10:43:00 -0600 Pedro Batista

C++ error in haartraining attempts

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2017-05-30 05:52:30 -0600 berak

OpenCV HaarTraining Positive images background

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2014-02-22 08:58:13 -0600 FLY

Need Suggestion for Detecting

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2020-08-12 10:05:13 -0600 berak

“Incremental” [face] training

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2015-09-22 01:36:50 -0600 albertofernandez

How to use OpenCV to find if a person is wearing a hat or glasses?

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

opencv_traincascade unhandeled exception

cvhaartraining

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

opencv_traincascade always halts on stage 4.i

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

How to do HAAR training?

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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?

573

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2018-03-06 04:06:18 -0600 Joshitha

Are there any ways to generate a HAAR cascade faster?

549

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

Opencv_haartraining does not converge

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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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2016-05-14 13:17:15 -0600 iamnikolie

Train Haar classifier faster

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

Parameters for OpenCV alt2 haar cascade [closed]

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2019-02-05 18:02:51 -0600 sturkmen

Barcode/label detection

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

Cascade Classifier - detectmultiscale does not return MatOfRect objects

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2014-01-23 08:38:09 -0600 StevenPuttemans

Using the -w and -h parameters of the createsamples utility for cascaded training

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

Cascade trained from trainingcascade unaccurate

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

Training Dectectors - Image Sample Preparations

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

Train Cascade parameters calculations issue

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

Haar cascade training

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

33 questions

How do I evaluate the performance of Haar Cascade in test data ? How do we classify the set of images in different categories using Haar Cascade, just like CNN does?

How to live stream to a website using cv2 library

Haar classifier limitations

Haar Training detectMultiScale does not work very well when size vary

openCV 2.4.9.1 sample creation works but gives error message

C++ error in haartraining attempts

OpenCV HaarTraining Positive images background

Need Suggestion for Detecting

“Incremental” [face] training

How to use OpenCV to find if a person is wearing a hat or glasses?

opencv_traincascade unhandeled exception

opencv_traincascade always halts on stage 4.i

How to do HAAR training?

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?

Are there any ways to generate a HAAR cascade faster?

Opencv_haartraining does not converge

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

Train Haar classifier faster

Parameters for OpenCV alt2 haar cascade [closed]

Barcode/label detection

Cascade Classifier - detectmultiscale does not return MatOfRect objects

Using the -w and -h parameters of the createsamples utility for cascaded training

Cascade trained from trainingcascade unaccurate

Training Dectectors - Image Sample Preparations

Train Cascade parameters calculations issue

Training cascade classifier: Can not get new positive sample

Haar cascade training

Haar Cascade training for leaves detection

Cascade training parameters and time

Poor Cascade Training Results

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