Questions - OpenCV Q&A Forum

981

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2015-07-14 01:15:44 -0600 berak

How can I resize an image where the face should be cropped and scaled to fit the size?

1k

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no

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2014-10-15 06:23:20 -0600 CanAmHack

cvLoad fails to load cascade.xml (Android)

583

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no

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2015-04-13 03:54:50 -0600 fedor

How to train a svm?

SVM

295

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1

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no

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2017-05-31 04:20:39 -0600 StevenPuttemans

Purpose of trained xml file

opencv
xml

698

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no

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2015-01-20 06:12:35 -0600 Manh Quang

Haar Feature-based Cascade Classifier XML file argument

465

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1

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

Classify head shape

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2012-11-18 07:57:33 -0600 Mostafa Sataki

multithreaded cascade classifire

3k

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2014-07-01 12:32:40 -0600 Mathieu Barnachon

How to detect coin and pills using opencv android ?

#android#opencv

322

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2014-09-02 23:02:25 -0600 Haris

Help with createFisherFaceRecognizer();

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2012-11-04 07:35:10 -0600 Philipp Wagner

Face Recognition in Video using OpenCV gives unhandled exception

530

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2013-02-22 10:08:47 -0600 berak

facerec_demo model->predict exception thrown

2k

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2016-09-08 05:21:53 -0600 CLeBeR

Assertion error in cvtColor

379

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2018-03-04 06:40:14 -0600 Rupan

Facial recognition run error: Image step is wrong

2k

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2016-12-17 01:50:22 -0600 berak

openCV 2.4.9.1 sample creation works but gives error message

2k

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2017-04-21 11:34:45 -0600 StevenPuttemans

Best method to detect facial hair?

664

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2016-08-29 06:25:32 -0600 StevenPuttemans

Face detection using OpenCV with Java

5k

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2013-05-28 01:51:22 -0600 FredJiang

Error during training with opencv_traincascade

4k

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3

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2012-08-29 09:57:03 -0600 Ben

Is HaarDetectObjects rotation invariant ?

2k

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no

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2014-06-03 02:48:02 -0600 StevenPuttemans

LBP for vehicle detection

1k

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1

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2013-07-31 17:22:19 -0600 Mathieu Barnachon

Fastest, and most accurate eye finding algorithm available in opencv?

1k

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1

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no

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2013-10-17 10:43:00 -0600 Pedro Batista

C++ error in haartraining attempts

1k

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1

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1

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2015-04-26 22:36:28 -0600 pulp_fiction

Help me with the opencv_traincascade training

615

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no

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2017-03-07 01:11:10 -0600 berak

Load Single Channel Numpy Array Image with detectMultiScale

4k

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2017-06-16 00:13:01 -0600 berak

Training and Test images must be of equal size

1k

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2017-05-15 14:40:15 -0600 Damien45

Best approach to detect read numbers from 1 to 99

828

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2020-10-13 04:33:44 -0600 berak

I'm getting the following error while using OpenCV

218

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2019-01-16 04:55:03 -0600 StevenPuttemans

What algorithms are best used for recognizing objects in the street from a video stream

2k

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1

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2014-03-13 04:21:38 -0600 Guanta

Bag of (visual) Words - Locate Object in Image

4k

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1

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no

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2015-12-01 06:15:45 -0600 StevenPuttemans

Number of stages or maxFalseAlarmRate?

traincascade

655

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no

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2019-03-03 03:44:29 -0600 LBerger

How do I evaluate the performance of Haar Cascade in test data ? How do we classify the set of images in different categories using Haar Cascade, just like CNN does?

728 questions

How can I resize an image where the face should be cropped and scaled to fit the size?

cvLoad fails to load cascade.xml (Android)

How to train a svm?

Purpose of trained xml file

Haar Feature-based Cascade Classifier XML file argument

Classify head shape

multithreaded cascade classifire

How to detect coin and pills using opencv android ?

Help with createFisherFaceRecognizer();

Face Recognition in Video using OpenCV gives unhandled exception

facerec_demo model->predict exception thrown

Assertion error in cvtColor

Facial recognition run error: Image step is wrong

openCV 2.4.9.1 sample creation works but gives error message

Best method to detect facial hair?

Face detection using OpenCV with Java

Error during training with opencv_traincascade

Is HaarDetectObjects rotation invariant ?

LBP for vehicle detection

Fastest, and most accurate eye finding algorithm available in opencv?

C++ error in haartraining attempts

Help me with the opencv_traincascade training

Load Single Channel Numpy Array Image with detectMultiScale

Training and Test images must be of equal size

Best approach to detect read numbers from 1 to 99

I'm getting the following error while using OpenCV

What algorithms are best used for recognizing objects in the street from a video stream

Bag of (visual) Words - Locate Object in Image

Number of stages or maxFalseAlarmRate?

How do I evaluate the performance of Haar Cascade in test data ? How do we classify the set of images in different categories using Haar Cascade, just like CNN does?

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