Questions - OpenCV Q&A Forum

327

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2020-06-28 10:54:26 -0600 Dragonfly Robotics

OpenCV Training Custom Haar Cascade with Python 3

472

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1

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2

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2014-12-29 07:20:52 -0600 Guanta

Best approach for identifying Set cards

843

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1

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no

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2015-02-09 04:48:32 -0600 StevenPuttemans

Reading HAAR feature information from XML model

4k

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1

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2014-03-09 06:06:50 -0600 GilLevi

Object classification (pedestrian, car, bike)

9k

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2016-06-18 10:53:52 -0600 Eduardo

OpenCV 3.1 - Upper body detection not working in any example

Upperbody

3k

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2013-08-28 11:40:05 -0600 StevenPuttemans

ANDROID: Using CameraBridgeViewBase to capture camera frames. Only getting ~3 frames per second when detecting objects with classifier...

684

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2014-02-11 21:58:53 -0600 cv_new

How to use the cascade.xml generated by traincascade.exe to detect object

4k

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1

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3

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2012-09-21 13:21:02 -0600 Philipp Wagner

Face-detection/recognition + segmenting + tracking Difficulty

1k

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1

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2012-10-07 22:40:39 -0600 Philipp Wagner

Online Learning and Confidence with cv::FaceRecognizer

2k

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1

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2012-11-21 07:06:53 -0600 Storm

opencv_haartraining: Invalid background description file (Windows)

1k

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

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

523

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1

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2019-12-04 09:04:24 -0600 kbarni

Find pallet front view in 2d photo

766

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

Combining classifiers

cascadeclassifier

293

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no

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2016-07-13 08:28:41 -0600 MRDaniel

Problems using createsamples function for lbp cascade classifier

cascade

5k

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2013-08-13 01:37:09 -0600 Michael Vance

haartraining.exe and createsamples.exe missing

685

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1

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1

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2017-12-19 10:29:19 -0600 berak

Emotion recognition

4k

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1

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1

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2013-08-02 02:18:42 -0600 StevenPuttemans

Removing jitter/shaking effect in Haar Cascade detection bounding box

509

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no

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2018-05-01 05:28:04 -0600 berak

Face Prediction is invalid in Opencv Python

1k

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1

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1

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2016-07-20 03:12:58 -0600 StevenPuttemans

How to plot the Precision-Recall Curve (PRC) for a Cascade classifier correctly?

1k

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1

answer

1

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2015-07-01 11:15:52 -0600 sturkmen

Cascade Classifier HAAR / LBP Advice

660

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1

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no

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

Picture and Samples Sizes opencv_traincascade

785

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1

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no

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2015-12-08 04:08:13 -0600 StevenPuttemans

Haar Feature

Haar
feature

3k

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1

answer

1

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2018-12-04 20:03:20 -0600 berak

why it cannot detect some profile face?

425

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1

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no

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2013-03-11 11:04:58 -0600 StevenPuttemans

Bad efficiency in LBP

377

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1

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no

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2016-06-10 08:49:13 -0600 cv_enthusiast

"Train dataset for temp stage can not be filled." on opencv_traincascade

567

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1

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no

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2013-08-12 09:23:49 -0600 StevenPuttemans

traincascade app. documentation

2k

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1

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no

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2013-04-19 09:55:33 -0600 Guanta

How to have a faster sliding window algorithm ?

505

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1

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no

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2015-11-19 07:48:50 -0600 StevenPuttemans

Can't Generate XML file

xml

8k

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no

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2014-05-19 13:48:32 -0600 Abid Rahman K

OpenCV Python detectMultiscale

python

1k

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1

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-2

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2019-01-07 11:09:29 -0600 berak

I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable to resolve. Any help is greatly appreciated

FaceRecognizer

728 questions

OpenCV Training Custom Haar Cascade with Python 3

Best approach for identifying Set cards

Reading HAAR feature information from XML model

Object classification (pedestrian, car, bike)

OpenCV 3.1 - Upper body detection not working in any example

ANDROID: Using CameraBridgeViewBase to capture camera frames. Only getting ~3 frames per second when detecting objects with classifier...

How to use the cascade.xml generated by traincascade.exe to detect object

Face-detection/recognition + segmenting + tracking Difficulty

Online Learning and Confidence with cv::FaceRecognizer

opencv_haartraining: Invalid background description file (Windows)

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

Find pallet front view in 2d photo

Combining classifiers

Problems using createsamples function for lbp cascade classifier

haartraining.exe and createsamples.exe missing

Emotion recognition

Removing jitter/shaking effect in Haar Cascade detection bounding box

Face Prediction is invalid in Opencv Python

How to plot the Precision-Recall Curve (PRC) for a Cascade classifier correctly?

Cascade Classifier HAAR / LBP Advice

Picture and Samples Sizes opencv_traincascade

Haar Feature

why it cannot detect some profile face?

Bad efficiency in LBP

"Train dataset for temp stage can not be filled." on opencv_traincascade

traincascade app. documentation

How to have a faster sliding window algorithm ?

Can't Generate XML file

OpenCV Python detectMultiscale

I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable to resolve. Any help is greatly appreciated

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