Questions - OpenCV Q&A Forum

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

Training a lbp detector/classifier

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

ocl:detectmultiscale error with traincascade

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

Road detection and machine learning

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

OpenCV Python face accuracy

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

how does opencv handle rectangles feature of haar cascade classifier?

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

Low accuracy of SVM on Android

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

Integral Channel Feature Detector for Cars (bad results)

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

haar detection bouding box

objectdetection

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

how to dispaly percentage pridiction in fisher face recoginition algorithm

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

Detections too small with OpenCV Cascade classifier

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

Opencv haar training parameters : Mode & symmentry

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

FaceRecognizer

facereconizer

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

OpenCV Android: wait for user input? [closed]

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

Question about numPos, S in traincascade, and hard negative

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

Cascade classifier stage construction looping [closed]

cascade

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

undefined reference to createFisherFaceRecognizer() - Incorrect openCV docs?

FaceRecognizer

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

Detecting Artificial Patterns

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

Haar Cascade for fingers [closed]

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2016-10-25 02:52:47 -0600 irum

recognition giving error of training and test data (size not same)

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2016-01-29 05:01:46 -0600 carl82

Facial detection positive sample vector size

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2014-08-17 06:33:58 -0600 dang ky 3g mobifone

OpenCV: what is the difference between these 2 haar cascade data sets?

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2018-10-09 16:23:46 -0600 Simran

How to detect and count cars in different lanes using HAAR cascade

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2013-12-11 18:36:55 -0600 xaffeine

How were the stock face detectors trained/tested?

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2016-10-24 04:29:31 -0600 irum

What type of result predict function of fisherface recognizer returns

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2014-06-05 19:09:54 -0600 Loam

728 questions

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]

recognition giving error of training and test data (size not same)

Facial detection positive sample vector size

OpenCV: what is the difference between these 2 haar cascade data sets?

How to detect and count cars in different lanes using HAAR cascade

How were the stock face detectors trained/tested?

What type of result predict function of fisherface recognizer returns

Opencv. LBP cascade. How to exclude redected results at the same place

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