Questions - OpenCV Q&A Forum

3k

views

no

answers

no

votes

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

What type of result predict function of fisherface recognizer returns

1k

views

no

answers

no

votes

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

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

2k

views

no

answers

no

votes

2016-10-25 11:27:08 -0600 berak

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

cascade

662

views

1

answer

no

votes

2016-10-28 04:51:23 -0600 StevenPuttemans

Picture and Samples Sizes opencv_traincascade

154

views

no

answers

no

votes

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

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

646

views

no

answers

no

votes

2016-11-02 14:22:29 -0600 CLeBeR

Webcam capture and imgshow low FPS

224

views

1

answer

no

votes

2016-11-02 15:02:35 -0600 CLeBeR

FisherFace detect me even if my image is note in database

2k

views

1

answer

no

votes

2016-10-31 06:00:35 -0600 StevenPuttemans

Haar classifier limitations

59

views

no

answers

no

votes

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

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

1k

views

1

answer

no

votes

2016-11-09 06:10:48 -0600 StevenPuttemans

positive image cropping haar cascades

3k

views

1

answer

no

votes

2016-11-09 02:42:25 -0600 berak

How to train Decision Trees? How to fill TrainData with Images?

306

views

no

answers

no

votes

2016-11-09 04:22:33 -0600 StevenPuttemans

How to do HAAR training?

520

views

1

answer

no

votes

2016-11-08 16:37:47 -0600 Mohamed Alzaki

Adjusting memory used in haar cascade training

221

views

no

answers

no

votes

2016-11-10 01:45:30 -0600 Poehe

Advice on Haar/LBP approach [closed]

635

views

no

answers

no

votes

2016-11-21 10:15:55 -0600 Tobyy

opencv_traincascade: Calculating numstages numpos numneg

573

views

1

answer

no

votes

2016-11-24 06:25:41 -0600 Tobyy

Cascade classifier doesn't detect object

106

views

no

answers

no

votes

2016-12-01 04:18:32 -0600 lemurdock

Haar Cascade OpenCV Python [closed]

cascade

329

views

1

answer

1

vote

2016-12-09 07:03:24 -0600 Tobyy

Problem with Cascade Classifier

2k

views

no

answers

no

votes

2016-12-13 23:56:39 -0600 akshika47

Best method to recognize currency notes [closed]

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

131

views

no

answers

no

votes

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

Cascade Classifier Preprocessing Question

169

views

1

answer

no

votes

2016-12-20 04:37:49 -0600 StevenPuttemans

Cascade Classifier Training: Is the negNum decreasing each stage?

1k

views

3

answers

no

votes

2017-02-19 22:10:03 -0600 Netsai Chibuku

Can Haar or Cascade classifiers be accurate enough in detecting object size?

distance

304

views

no

answers

no

votes

2016-12-26 06:04:55 -0600 petr.shypila

Object detection rectangle doesn't cover whole object

4k

views

3

answers

no

votes

2020-03-29 06:10:32 -0600 ComputerVisionary

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

536

views

no

answers

no

votes

2017-01-09 05:48:00 -0600 berak

Save the eye image after the detection [closed]

2k

views

1

answer

no

votes

2017-01-13 08:32:27 -0600 pi-null-mezon

How I can extract a face features as vector

524

views

1

answer

no

votes

2017-01-13 01:41:37 -0600 berak

any possible to detect object with cascade training model and HOG feature

HOG
cascade

2k

views

1

answer

no

votes

2017-01-23 08:38:45 -0600 Martin93

Traincascade - still confused about acceptanceRatio

220

views

1

answer

no

votes

2017-01-25 03:56:08 -0600 StevenPuttemans

728 questions

What type of result predict function of fisherface recognizer returns

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

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

Picture and Samples Sizes opencv_traincascade

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

Webcam capture and imgshow low FPS

FisherFace detect me even if my image is note in database

Haar classifier limitations

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

positive image cropping haar cascades

How to train Decision Trees? How to fill TrainData with Images?

How to do HAAR training?

Adjusting memory used in haar cascade training

Advice on Haar/LBP approach [closed]

opencv_traincascade: Calculating numstages numpos numneg

Cascade classifier doesn't detect object

Haar Cascade OpenCV Python [closed]

Problem with Cascade Classifier

Best method to recognize currency notes [closed]

openCV 2.4.9.1 sample creation works but gives error message

Cascade Classifier Preprocessing Question

Cascade Classifier Training: Is the negNum decreasing each stage?

Can Haar or Cascade classifiers be accurate enough in detecting object size?

Object detection rectangle doesn't cover whole object

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

Save the eye image after the detection [closed]

How I can extract a face features as vector

any possible to detect object with cascade training model and HOG feature

Traincascade - still confused about acceptanceRatio

Opencv3.1-Train dataset for temp stage can not be filled. Branch training terminated. Is this error if not how can i improve it further ?

Links

Contributors

Tags