Questions - OpenCV Q&A Forum

260

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2017-03-03 04:19:09 -0600 berak

Creating Haar Cascade OpenCV 3.2

opencv

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no

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no

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2017-02-22 07:10:29 -0600 ashgard

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

85

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2017-02-20 21:26:39 -0600 Tetragramm

Algorithms used for to train cascade classifier

cascadeclassifier

188

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no

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no

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2017-02-16 10:09:17 -0600 NCrit

train cascade [closed]

993

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2017-03-13 21:20:41 -0600 lqj1990

program will stuck when using detectMultiScale

2k

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2017-02-12 17:05:30 -0600 Eduardo

Standard Haar classifier for Russian reg plates perfors poorly

cvhaar

405

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2018-03-06 03:51:59 -0600 Joshitha

Haar Like and Adaboost

haartraning

469

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no

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2017-02-07 08:48:22 -0600 berak

Using GpuCascadeClassifier with self trained cascade file

220

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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 ?

2k

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

Traincascade - still confused about acceptanceRatio

524

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2017-01-13 01:41:37 -0600 berak

any possible to detect object with cascade training model and HOG feature

HOG
cascade

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2017-01-13 08:32:27 -0600 pi-null-mezon

How I can extract a face features as vector

536

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2017-01-09 05:48:00 -0600 berak

Save the eye image after the detection [closed]

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3

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2020-03-29 06:10:32 -0600 ComputerVisionary

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

304

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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

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3

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2017-02-19 22:10:03 -0600 Netsai Chibuku

Can Haar or Cascade classifiers be accurate enough in detecting object size?

distance

169

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2016-12-20 04:37:49 -0600 StevenPuttemans

Cascade Classifier Training: Is the negNum decreasing each stage?

131

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2016-12-17 19:08:05 -0600 DerrickB

Cascade Classifier Preprocessing Question

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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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2016-12-13 23:56:39 -0600 akshika47

Best method to recognize currency notes [closed]

329

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2016-12-09 07:03:24 -0600 Tobyy

Problem with Cascade Classifier

106

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2016-12-01 04:18:32 -0600 lemurdock

Haar Cascade OpenCV Python [closed]

cascade

572

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2016-11-24 06:25:41 -0600 Tobyy

Cascade classifier doesn't detect object

635

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2016-11-21 10:15:55 -0600 Tobyy

opencv_traincascade: Calculating numstages numpos numneg

221

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2016-11-10 01:45:30 -0600 Poehe

Advice on Haar/LBP approach [closed]

520

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2016-11-08 16:37:47 -0600 Mohamed Alzaki

Adjusting memory used in haar cascade training

306

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

How to do HAAR training?

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2016-11-09 02:42:25 -0600 berak

How to train Decision Trees? How to fill TrainData with Images?

1k

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2016-11-09 06:10:48 -0600 StevenPuttemans

positive image cropping haar cascades

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2016-11-02 08:14:32 -0600 Inder

728 questions

Creating Haar Cascade OpenCV 3.2

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

Algorithms used for to train cascade classifier

train cascade [closed]

program will stuck when using detectMultiScale

Standard Haar classifier for Russian reg plates perfors poorly

Haar Like and Adaboost

Using GpuCascadeClassifier with self trained cascade file

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 ?

Traincascade - still confused about acceptanceRatio

any possible to detect object with cascade training model and HOG feature

How I can extract a face features as vector

Save the eye image after the detection [closed]

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

Object detection rectangle doesn't cover whole object

Can Haar or Cascade classifiers be accurate enough in detecting object size?

Cascade Classifier Training: Is the negNum decreasing each stage?

Cascade Classifier Preprocessing Question

openCV 2.4.9.1 sample creation works but gives error message

Best method to recognize currency notes [closed]

Problem with Cascade Classifier

Haar Cascade OpenCV Python [closed]

Cascade classifier doesn't detect object

opencv_traincascade: Calculating numstages numpos numneg

Advice on Haar/LBP approach [closed]

Adjusting memory used in haar cascade training

How to do HAAR training?

How to train Decision Trees? How to fill TrainData with Images?

positive image cropping haar cascades

Can Cascade Classifier Training in OpenCV be termed as Machine learning?

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