Questions - OpenCV Q&A Forum

206

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2018-08-06 05:32:34 -0600 holger

Cascade classifier help

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2

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2018-09-07 07:08:57 -0600 m93c

OpenCV.js unable to load haar cascades [closed]

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2018-10-13 11:41:14 -0600 berak

Only Cascade classifier makes an undefined error

cascadeclassifier

537

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

Low accuracy of SVM on Android

167

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2018-11-14 08:15:40 -0600 berak

Running multiple CascadeClassifiers - possible to reuse scaling?

420

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1

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no

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2018-12-02 20:07:50 -0600 blues

cuda detectMultiScale gets inconsistent result on same image?

2k

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

Glare detection in image [closed]

304

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

Haar cascade classifier - Multiple detecting same object

171

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2019-01-28 16:26:02 -0600 Michał Kowalczyk

1 image - 10 haar classifiers - process image once [closed]

331

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

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

223

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2019-03-02 02:51:47 -0600 UnluckyTicket

Need help with training cascade classifier

130

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2019-05-07 04:20:08 -0600 lovehell

Stage threshold in cascade training

cascadeclassifier

234

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2019-06-05 03:44:48 -0600 supra56

CascadeClassifier doesn't work with cascade.xml trained by myself. It always blocked when use method detectMultiScale()

305

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

OpenCV face detection results in "debug assertion failed"

447

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2020-03-29 05:51:41 -0600 ComputerVisionary

Cannot detect cars

227

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

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

288

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no

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2020-04-28 17:41:28 -0600 AndrakoValle

How to train more accurate Haar Cascades?

1k

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no

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2020-06-24 23:05:05 -0600 neel19

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

536

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

Train from haarcascade frontface

2k

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2

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2013-09-27 03:16:21 -0600 lidong04

How to use CascadeClassifier with a mask

1k

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no

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2012-11-15 12:16:25 -0600 Adi

Why this picture is classified to Upperbody? [closed]

447

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

Classify head shape

1k

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1

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2013-01-22 02:14:41 -0600 Siegfried

Control senstivity of object detector

3k

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2

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2013-02-14 04:17:11 -0600 Guanta

What is the best solution for rotation invariant detector?

960

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2013-02-24 01:36:39 -0600 Bibliarij

Display Haar features from a trained AdaBoost classfier

2k

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2

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1

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2013-05-16 05:53:33 -0600 vinayverma

OpenCV_traincascade giving a lot of false positives

428

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2013-05-15 19:29:59 -0600 eanes

General Cascade Classifier for any type of features

699

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1

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1

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2013-05-15 13:21:47 -0600 clarkis117

Access violation when using Cascade Classifier

cascadeclassifier

2k

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1

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1

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2013-07-10 03:52:32 -0600 StevenPuttemans

Convert old haarcascade file to new cascade classifier format

1k

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no

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2013-07-12 01:29:27 -0600 Ken Moore

253 questions

Cascade classifier help

OpenCV.js unable to load haar cascades [closed]

Only Cascade classifier makes an undefined error

Low accuracy of SVM on Android

Running multiple CascadeClassifiers - possible to reuse scaling?

cuda detectMultiScale gets inconsistent result on same image?

Glare detection in image [closed]

Haar cascade classifier - Multiple detecting same object

1 image - 10 haar classifiers - process image once [closed]

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

Need help with training cascade classifier

Stage threshold in cascade training

CascadeClassifier doesn't work with cascade.xml trained by myself. It always blocked when use method detectMultiScale()

OpenCV face detection results in "debug assertion failed"

Cannot detect cars

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

How to train more accurate Haar Cascades?

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

Train from haarcascade frontface

How to use CascadeClassifier with a mask

Why this picture is classified to Upperbody? [closed]

Classify head shape

Control senstivity of object detector

What is the best solution for rotation invariant detector?

Display Haar features from a trained AdaBoost classfier

OpenCV_traincascade giving a lot of false positives

General Cascade Classifier for any type of features

Access violation when using Cascade Classifier

Convert old haarcascade file to new cascade classifier format

The elusive road to LBP cascade training... help!

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