Questions - OpenCV Q&A Forum

504

views

1

answer

no

votes

2020-06-26 11:46:50 -0600 berak

Train from haarcascade frontface

227

views

1

answer

no

votes

2020-03-29 05:17:01 -0600 ComputerVisionary

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

300

views

no

answers

no

votes

2019-08-09 14:55:25 -0600 Programmerperson

OpenCV face detection results in "debug assertion failed"

325

views

1

answer

no

votes

2019-02-21 04:17:13 -0600 berak

Can we create our own haar-cascade file for multi-view face detection

299

views

no

answers

no

votes

2019-01-05 10:11:41 -0600 wpadka

Haar cascade classifier - Multiple detecting same object

2k

views

1

answer

no

votes

2018-12-19 01:40:24 -0600 david cairns

Glare detection in image [closed]

697

views

1

answer

no

votes

2018-04-16 00:35:24 -0600 kapil goyal

aborted core dumped :NEG current samples: 7250 terminate called after throwing an instance of 'std::out_of_range' what(): basic_string::substr: __pos (which is 140) > this->size() (which is 11) Aborted (core dumped)7254

103

views

no

answers

no

votes

2018-03-07 09:21:15 -0600 Jad

The number of rejected windows in detectMultiScale()

1k

views

1

answer

1

vote

2018-03-04 11:39:07 -0600 Joshitha

Insufficient memory in function cvAlloc, how to release memory?

1k

views

1

answer

no

votes

2018-02-28 04:15:46 -0600 berak

How to use a dpm cascade model xml file in a Python script?

1k

views

1

answer

no

votes

2018-02-28 02:39:55 -0600 saideepthik

Error while running code that uses Haar Classifier xml: "Incorrect type of self "

251

views

no

answers

no

votes

2018-02-10 00:56:13 -0600 ice

Cascade Classifier

121

views

no

answers

no

votes

2018-01-24 17:12:31 -0600 loviso

How to evaluate a cascade classifier?

1k

views

no

answers

no

votes

2017-10-30 11:27:43 -0600 Machete

finger nails detection iOS

705

views

no

answers

no

votes

2017-10-06 13:52:14 -0600 holdman

Cascade Classifier - detectmultiscale does not return MatOfRect objects

1k

views

no

answers

no

votes

2017-09-22 09:45:15 -0600 Lubagov

OpenCV 3.3 setNumThreads(0) bug

277

views

no

answers

no

votes

2017-09-03 04:19:58 -0600 holdman

How to recognize specific objects

814

views

1

answer

no

votes

2017-07-10 12:55:31 -0600 berak

GPU Face Detection Error

244

views

no

answers

no

votes

2017-06-22 02:48:58 -0600 wureka

my trained cascade.xml makes the call detectMultiScale(...) hangs [closed]

321

views

no

answers

no

votes

2017-02-03 17:42:30 -0600 Omar K. Aly

Cascade Classifier Tutorial Error

385

views

1

answer

no

votes

2016-08-20 12:02:20 -0600 mattm401

PR Curve for Cascade w/ detectMultiScale3: Never Completes

278

views

1

answer

no

votes

2016-07-31 23:24:32 -0600 KorobOK

Can't find any faces on pictures

136

views

no

answers

no

votes

2016-05-19 18:58:39 -0600 Ramkumar Natarajan

opencv_traincascade to train in different colorspace

312

views

1

answer

no

votes

2016-05-18 03:17:34 -0600 StevenPuttemans

cascade classifier takes hours in testing one image

561

views

no

answers

no

votes

2015-04-23 07:00:59 -0600 pulp_fiction

OpenCV_traincascade monster RAM usage

104

views

no

answers

no

votes

2015-03-19 14:44:35 -0600 selbstdual

Does anyone have a classifier for not just frontal but also tilted faces?

1k

views

1

answer

-1

votes

2013-04-04 04:09:50 -0600 StevenPuttemans

error before and when compile

357

views

1

answer

no

votes

2012-12-20 03:45:31 -0600 AlexanderShishkov

SCascade in 2.4.9

5k

views

2

answers

3

votes

2012-09-26 05:56:37 -0600 Kirill Kornyakov

29 questions

Train from haarcascade frontface

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

OpenCV face detection results in "debug assertion failed"

Can we create our own haar-cascade file for multi-view face detection

Haar cascade classifier - Multiple detecting same object

Glare detection in image [closed]

aborted core dumped :NEG current samples: 7250 terminate called after throwing an instance of 'std::out_of_range' what(): basic_string::substr: __pos (which is 140) > this->size() (which is 11) Aborted (core dumped)7254

The number of rejected windows in detectMultiScale()

Insufficient memory in function cvAlloc, how to release memory?

How to use a dpm cascade model xml file in a Python script?

Error while running code that uses Haar Classifier xml: "Incorrect type of self "

Cascade Classifier

How to evaluate a cascade classifier?

finger nails detection iOS

Cascade Classifier - detectmultiscale does not return MatOfRect objects

OpenCV 3.3 setNumThreads(0) bug

How to recognize specific objects

GPU Face Detection Error

my trained cascade.xml makes the call detectMultiScale(...) hangs [closed]

Cascade Classifier Tutorial Error

PR Curve for Cascade w/ detectMultiScale3: Never Completes

Can't find any faces on pictures

opencv_traincascade to train in different colorspace

cascade classifier takes hours in testing one image

OpenCV_traincascade monster RAM usage

Does anyone have a classifier for not just frontal but also tilted faces?

error before and when compile

SCascade in 2.4.9

Haar Cascade detecting only faces(no heads)?

Links

Contributors

Tags