Questions - OpenCV Q&A Forum

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

Integral Channel Feature Detector for Cars (bad results)

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

Recognize oval shaped illustrations in scanned book pages

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

Using an old format Haar Cascade Classifier File

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

Error during training with opencv_traincascade

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

Low accuracy of SVM on Android

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

Face detection using OpenCV with Java

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

how does opencv handle rectangles feature of haar cascade classifier?

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

Best method to detect facial hair?

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

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

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

OpenCV Python face accuracy

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

Road detection and machine learning

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

ocl:detectmultiscale error with traincascade

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

native opencv camera for LBP based detection

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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

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

Face Recognition in Video using OpenCV gives unhandled exception

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

face recognition using opencv2.4.3

Face-Recognition

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

facerec_demo model->predict exception thrown

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

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

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

Assertion error in cvtColor

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

Facial recognition run error: Image step is wrong

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

Training a lbp detector/classifier

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

Help with createFisherFaceRecognizer();

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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]

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

How to detect coin and pills using opencv android ?

#android#opencv

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

multithreaded cascade classifire

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

Classify head shape

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

Haar Feature-based Cascade Classifier XML file argument

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

Purpose of trained xml file

opencv
xml

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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 ?

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