Questions - OpenCV Q&A Forum

103

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

The number of rejected windows in detectMultiScale()

367

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1

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2018-03-09 08:55:21 -0600 StevenPuttemans

Cascade classier DetectMultiScale()

1k

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1

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2018-03-16 01:57:39 -0600 Joshitha

Bad argument in function cvReleaseData, how to fix the error?

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3

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2018-03-25 12:42:45 -0600 cellurl

Traffic Sign Recognition Concept

1k

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1

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2018-03-29 00:49:51 -0600 usuf

Segmentation fault.. using opencv_createsamples

698

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1

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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

2k

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2018-04-17 13:38:55 -0600 guerreiro

error starting CascadeClassifier with xml file

743

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2018-04-25 07:46:03 -0600 StevenPuttemans

Combining classifiers

cascadeclassifier

556

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1

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2018-04-27 02:07:27 -0600 berak

Training cuda::CascadeClassifier

2k

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-1

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2018-05-02 17:18:03 -0600 mssm1996

OpenCV Detecting Traffic Light green signal

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2018-05-03 12:06:23 -0600 RazeK

How to improve the performance of a Haar cascade classifier during training?

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2018-05-25 03:39:26 -0600 Jylomaki

openCV js Loading a trained model file

2k

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1

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2018-06-06 00:52:43 -0600 berak

cascade frontal and profile face

257

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1

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no

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2018-06-27 05:23:40 -0600 berak

Cascade training, background size.

5k

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1

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2018-07-03 06:28:58 -0600 Nigeltve

'opencv_createsamples' is not recognized as an internal or external command

271

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2018-07-06 10:12:08 -0600 Bleach

Cascade file trained in traincascade in cuda::CascadeClassifier

3k

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1

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2018-07-13 06:38:46 -0600 ioemmano

Building detection in satellite imagery

204

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2018-08-02 09:57:12 -0600 Zizhao

Can we do model ensemble on several cascade classifiers ?

206

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1

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

Cascade classifier help

426

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1

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2018-08-16 11:56:40 -0600 yoggiee

lbp cascade training to detect traffic signs [closed]

152

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1

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-1

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2018-08-21 05:48:48 -0600 berak

I am using rpi3 for face detection but error it is giving

cascadeclassifier

4k

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2

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no

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

OpenCV.js unable to load haar cascades [closed]

1k

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

Only Cascade classifier makes an undefined error

cascadeclassifier

520

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no

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

Low accuracy of SVM on Android

166

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1

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

Running multiple CascadeClassifiers - possible to reuse scaling?

419

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1

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

cuda detectMultiScale gets inconsistent result on same image?

1k

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1

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2018-12-10 07:44:12 -0600 Tomasz Grobelny

improving face detection accuracy [closed]

2k

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1

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

Glare detection in image [closed]

301

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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

253 questions

The number of rejected windows in detectMultiScale()

Cascade classier DetectMultiScale()

Bad argument in function cvReleaseData, how to fix the error?

Traffic Sign Recognition Concept

Segmentation fault.. using opencv_createsamples

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

error starting CascadeClassifier with xml file

Combining classifiers

Training cuda::CascadeClassifier

OpenCV Detecting Traffic Light green signal

How to improve the performance of a Haar cascade classifier during training?

openCV js Loading a trained model file

cascade frontal and profile face

Cascade training, background size.

'opencv_createsamples' is not recognized as an internal or external command

Cascade file trained in traincascade in cuda::CascadeClassifier

Building detection in satellite imagery

Can we do model ensemble on several cascade classifiers ?

Cascade classifier help

lbp cascade training to detect traffic signs [closed]

I am using rpi3 for face detection but error it is giving

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?

improving face detection accuracy [closed]

Glare detection in image [closed]

Haar cascade classifier - Multiple detecting same object

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

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