Questions - OpenCV Q&A Forum

288

views

no

answers

no

votes

2020-04-28 17:41:28 -0600 AndrakoValle

How to train more accurate Haar Cascades?

130

views

no

answers

no

votes

2019-05-07 04:20:08 -0600 lovehell

Stage threshold in cascade training

cascadeclassifier

223

views

no

answers

no

votes

2019-03-02 02:51:47 -0600 UnluckyTicket

Need help with training cascade classifier

538

views

no

answers

no

votes

2018-11-09 09:32:20 -0600 caiocanalli

Low accuracy of SVM on Android

272

views

no

answers

no

votes

2018-07-06 10:12:08 -0600 Bleach

Cascade file trained in traincascade in cuda::CascadeClassifier

1k

views

no

answers

no

votes

2018-05-03 12:06:23 -0600 RazeK

How to improve the performance of a Haar cascade classifier during training?

2k

views

no

answers

-1

votes

2018-05-02 17:18:03 -0600 mssm1996

OpenCV Detecting Traffic Light green signal

103

views

no

answers

no

votes

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

The number of rejected windows in detectMultiScale()

70

views

no

answers

no

votes

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

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

cascadeclassifier

212

views

no

answers

no

votes

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

error while visualizing the cascade stage features

251

views

no

answers

no

votes

2018-02-10 00:56:13 -0600 ice

Cascade Classifier

130

views

no

answers

no

votes

2017-12-25 19:54:20 -0600 bateringzax

High false alarm rates at step 100 for cascade training

135

views

no

answers

no

votes

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

Poor Cascade Training Results

223

views

no

answers

no

votes

2017-11-07 20:38:38 -0600 vbc

opencv traincascade positive and negative image

cascadeclassifier

1k

views

no

answers

no

votes

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

finger nails detection iOS

711

views

no

answers

no

votes

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

Cascade Classifier - detectmultiscale does not return MatOfRect objects

270

views

no

answers

no

votes

2017-09-21 10:08:56 -0600 muhammad.umar600

Need Pre-trained classifier (xml) for Door detection

161

views

no

answers

no

votes

2017-07-11 08:50:36 -0600 shincodex

cv::cuda::CascadeClassifier OpenCV 3.2 using data trained in OpenCV 2.4.11

cascadeclassifier

1k

views

no

answers

no

votes

2017-06-26 08:49:46 -0600 binsky3333

Haar Cascade negative images for backgrounds that don't change

160

views

no

answers

no

votes

2017-06-02 08:26:26 -0600 Simão Martin

Cascade Classifier - Utilize less processor with TBB training.

69

views

no

answers

no

votes

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

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

cascadeclassifier

121

views

no

answers

no

votes

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

Cascade Classifier Preprocessing Question

57

views

no

answers

no

votes

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

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

145

views

no

answers

no

votes

2016-10-26 18:22:21 -0600 atomoclast

Training Cascades with 2-3 varient items/increasing robustness.

127

views

no

answers

no

votes

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?

137

views

no

answers

no

votes

2016-05-19 18:58:39 -0600 Ramkumar Natarajan

opencv_traincascade to train in different colorspace

229

views

no

answers

no

votes

2016-04-10 01:28:08 -0600 Vijay Singh

Which is a good algorithm to recognize flora, fauna.

530

views

no

answers

1

vote

2016-03-03 23:31:20 -0600 Prakash

Opencv haar training parameters : Mode & symmentry

629

views

no

answers

no

votes

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

Cascade classifier training with HOG and different-scale blocks

194

views

no

answers

1

vote

2015-10-22 10:13:41 -0600 Harold

39 questions

How to train more accurate Haar Cascades?

Stage threshold in cascade training

Need help with training cascade classifier

Low accuracy of SVM on Android

Cascade file trained in traincascade in cuda::CascadeClassifier

How to improve the performance of a Haar cascade classifier during training?

OpenCV Detecting Traffic Light green signal

The number of rejected windows in detectMultiScale()

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

error while visualizing the cascade stage features

Cascade Classifier

High false alarm rates at step 100 for cascade training

Poor Cascade Training Results

opencv traincascade positive and negative image

finger nails detection iOS

Cascade Classifier - detectmultiscale does not return MatOfRect objects

Need Pre-trained classifier (xml) for Door detection

cv::cuda::CascadeClassifier OpenCV 3.2 using data trained in OpenCV 2.4.11

Haar Cascade negative images for backgrounds that don't change

Cascade Classifier - Utilize less processor with TBB training.

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

Cascade Classifier Preprocessing Question

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

Training Cascades with 2-3 varient items/increasing robustness.

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

opencv_traincascade to train in different colorspace

Which is a good algorithm to recognize flora, fauna.

Opencv haar training parameters : Mode & symmentry

Cascade classifier training with HOG and different-scale blocks

Opencv cascade classifier got different result with different computers

Links

Contributors

Tags