Questions - OpenCV Q&A Forum

1k

views

no

answers

no

votes

2017-05-28 07:36:37 -0600 sebastienTurr

Error at the begining of Training Stage 1

271

views

no

answers

no

votes

2020-07-27 18:08:39 -0600 mdaccrim97

opencv_traincascade keeps core dumping [closed]

406

views

no

answers

-1

votes

2016-09-12 07:58:00 -0600 hashir

Object Detection issue [closed]

273

views

no

answers

no

votes

2015-05-07 07:20:34 -0600 Fabbricio

How to train two objects with different sizes in openCv [closed]

990

views

no

answers

2

votes

2015-06-02 02:13:48 -0600 Sheng Liu

detection and pose estimation

253

views

no

answers

no

votes

2018-05-21 04:12:09 -0600 kabeersvohra

CascadeClassifier out of space python

350

views

no

answers

2

votes

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

How to use dnn as a detector for facemark ?

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]

544

views

no

answers

no

votes

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

Training a lbp detector/classifier

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]

926

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

481

views

no

answers

1

vote

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

ocl:detectmultiscale error with traincascade

480

views

no

answers

no

votes

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

Road detection and machine learning

218

views

no

answers

no

votes

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

OpenCV Python face accuracy

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

166

views

no

answers

no

votes

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

how does opencv handle rectangles feature of haar cascade classifier?

698

views

no

answers

no

votes

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

Low accuracy of SVM on Android

869

views

no

answers

no

votes

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

Using an old format Haar Cascade Classifier File

1k

views

no

answers

2

votes

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

Integral Channel Feature Detector for Cars (bad results)

89

views

no

answers

no

votes

2017-06-13 17:07:22 -0600 JP MOCHET

haar detection bouding box

objectdetection

1k

views

no

answers

no

votes

2016-10-04 01:24:47 -0600 berak

how to dispaly percentage pridiction in fisher face recoginition algorithm

415

views

no

answers

no

votes

2015-06-25 04:20:29 -0600 angela

Detections too small with OpenCV Cascade classifier

561

views

no

answers

1

vote

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

Opencv haar training parameters : Mode & symmentry

524

views

no

answers

no

votes

2016-03-23 14:46:31 -0600 Lailton

FaceRecognizer

facereconizer

277

views

no

answers

no

votes

2014-09-30 02:22:01 -0600 adhitomax

OpenCV Android: wait for user input? [closed]

235

views

no

answers

no

votes

2014-07-24 14:17:06 -0600 Shiloh

Question about numPos, S in traincascade, and hard negative

95

views

no

answers

no

votes

2015-11-25 07:28:13 -0600 belgraviton

Cascade classifier stage construction looping [closed]

cascade

1k

views

no

answers

no

votes

2017-07-03 15:24:08 -0600 linengmiao

undefined reference to createFisherFaceRecognizer() - Incorrect openCV docs?

FaceRecognizer

226

views

no

answers

no

votes

2013-09-30 21:58:11 -0600 nhatphongtran

Detecting Artificial Patterns

590

views

no

answers

no

votes

2019-04-08 09:01:00 -0600 jonasiyou

728 questions

Error at the begining of Training Stage 1

opencv_traincascade keeps core dumping [closed]

Object Detection issue [closed]

How to train two objects with different sizes in openCv [closed]

detection and pose estimation

CascadeClassifier out of space python

How to use dnn as a detector for facemark ?

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

Training a lbp detector/classifier

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

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]

ocl:detectmultiscale error with traincascade

Road detection and machine learning

OpenCV Python face accuracy

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

how does opencv handle rectangles feature of haar cascade classifier?

Low accuracy of SVM on Android

Using an old format Haar Cascade Classifier File

Integral Channel Feature Detector for Cars (bad results)

haar detection bouding box

how to dispaly percentage pridiction in fisher face recoginition algorithm

Detections too small with OpenCV Cascade classifier

Opencv haar training parameters : Mode & symmentry

FaceRecognizer

OpenCV Android: wait for user input? [closed]

Question about numPos, S in traincascade, and hard negative

Cascade classifier stage construction looping [closed]

undefined reference to createFisherFaceRecognizer() - Incorrect openCV docs?

Detecting Artificial Patterns

Haar Cascade for fingers [closed]

Links

Contributors

Tags