Questions - OpenCV Q&A Forum

1k

views

no

answers

2

votes

2015-02-26 06:27:51 -0600 verified.human

Integral Channel Feature Detector for Cars (bad results)

1k

views

2

answers

2

votes

2013-07-15 06:02:59 -0600 albertofernandez

Recognize oval shaped illustrations in scanned book pages

869

views

no

answers

no

votes

2015-04-13 05:22:53 -0600 pulp_fiction

Using an old format Haar Cascade Classifier File

5k

views

1

answer

1

vote

2013-05-28 01:51:22 -0600 FredJiang

Error during training with opencv_traincascade

700

views

no

answers

no

votes

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

Low accuracy of SVM on Android

726

views

1

answer

no

votes

2016-08-29 06:25:32 -0600 StevenPuttemans

Face detection using OpenCV with Java

167

views

no

answers

no

votes

2019-09-05 13:41:55 -0600 vito95

how does opencv handle rectangles feature of haar cascade classifier?

2k

views

1

answer

no

votes

2017-04-21 11:34:45 -0600 StevenPuttemans

Best method to detect facial hair?

295

views

no

answers

no

votes

2016-08-05 04:42:04 -0600 Param92

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

218

views

no

answers

no

votes

2014-05-19 16:41:54 -0600 Fox_21

OpenCV Python face accuracy

2k

views

1

answer

no

votes

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

openCV 2.4.9.1 sample creation works but gives error message

482

views

no

answers

no

votes

2017-12-09 03:44:37 -0600 procton

Road detection and machine learning

481

views

no

answers

1

vote

2014-04-03 14:47:09 -0600 muser

ocl:detectmultiscale error with traincascade

1k

views

2

answers

1

vote

2012-07-18 03:00:34 -0600 Ayan Acharya

native opencv camera for LBP based detection

930

views

no

answers

no

votes

2018-12-19 08:16:51 -0600 oja

Hey guys I am doing a face recognition project using LBPHFaceRecognizer the problen is that for few images (test images) the model is recognizing and for few images it is giving this error: (-215:Assertion failed) s >= 0 in function 'cv::setSize' [closed]

FaceRecognition

3k

views

1

answer

no

votes

2012-11-04 07:35:10 -0600 Philipp Wagner

Face Recognition in Video using OpenCV gives unhandled exception

1k

views

3

answers

no

votes

2013-06-07 11:43:49 -0600 mijl43

face recognition using opencv2.4.3

Face-Recognition

553

views

1

answer

no

votes

2013-02-22 10:08:47 -0600 berak

facerec_demo model->predict exception thrown

478

views

no

answers

no

votes

2014-01-12 07:10:30 -0600 lukaszbobrek

FaceRecognizer is there any way to use prediction with string format (instead of int). [closed]

2k

views

1

answer

no

votes

2016-09-08 05:21:53 -0600 CLeBeR

Assertion error in cvtColor

398

views

1

answer

no

votes

2018-03-04 06:40:14 -0600 Rupan

Facial recognition run error: Image step is wrong

544

views

no

answers

no

votes

2016-11-10 09:01:16 -0600 ThorbjornSomod

Training a lbp detector/classifier

330

views

1

answer

no

votes

2014-09-02 23:02:25 -0600 Haris

Help with createFisherFaceRecognizer();

188

views

no

answers

no

votes

2017-06-21 12:27:55 -0600 Shabrina

Can I use good feature to track if I have the training data is a landmark point? [closed]

3k

views

1

answer

no

votes

2014-07-01 12:32:40 -0600 Mathieu Barnachon

How to detect coin and pills using opencv android ?

#android#opencv

1k

views

1

answer

no

votes

2012-11-18 07:57:33 -0600 Mostafa Sataki

multithreaded cascade classifire

469

views

1

answer

1

vote

2012-12-24 12:02:55 -0600 Mostafa Sataki

Classify head shape

707

views

1

answer

no

votes

2015-01-20 06:12:35 -0600 Manh Quang

Haar Feature-based Cascade Classifier XML file argument

301

views

1

answer

no

votes

2017-05-31 04:20:39 -0600 StevenPuttemans

Purpose of trained xml file

opencv
xml

350

views

no

answers

2

votes

2019-11-28 10:27:13 -0600 Elis4

728 questions

Integral Channel Feature Detector for Cars (bad results)

Recognize oval shaped illustrations in scanned book pages

Using an old format Haar Cascade Classifier File

Error during training with opencv_traincascade

Low accuracy of SVM on Android

Face detection using OpenCV with Java

how does opencv handle rectangles feature of haar cascade classifier?

Best method to detect facial hair?

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

OpenCV Python face accuracy

openCV 2.4.9.1 sample creation works but gives error message

Road detection and machine learning

ocl:detectmultiscale error with traincascade

native opencv camera for LBP based detection

Hey guys I am doing a face recognition project using LBPHFaceRecognizer the problen is that for few images (test images) the model is recognizing and for few images it is giving this error: (-215:Assertion failed) s >= 0 in function 'cv::setSize' [closed]

Face Recognition in Video using OpenCV gives unhandled exception

face recognition using opencv2.4.3

facerec_demo model->predict exception thrown

FaceRecognizer is there any way to use prediction with string format (instead of int). [closed]

Assertion error in cvtColor

Facial recognition run error: Image step is wrong

Training a lbp detector/classifier

Help with createFisherFaceRecognizer();

Can I use good feature to track if I have the training data is a landmark point? [closed]

How to detect coin and pills using opencv android ?

multithreaded cascade classifire

Classify head shape

Haar Feature-based Cascade Classifier XML file argument

Purpose of trained xml file

How to use dnn as a detector for facemark ?

Links

Contributors

Tags