Questions - OpenCV Q&A Forum

1k

views

1

answer

-2

votes

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

4k

views

1

answer

no

votes

2020-07-28 06:51:26 -0600 berak

TypeError: Expected Ptr<cv::UMat> for argument 'src'

426

views

no

answers

no

votes

2020-03-10 12:59:21 -0600 dunnoguy

How to live stream to a website using cv2 library

924

views

1

answer

no

votes

2018-04-19 03:47:53 -0600 StevenPuttemans

opencv traincascade on windows

2k

views

no

answers

-1

votes

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

OpenCV Detecting Traffic Light green signal

1k

views

no

answers

-1

votes

2017-11-27 23:26:45 -0600 ShayanFiroozi

Pornography/nudity Cascade training best size and parameters [closed]

478

views

2

answers

-1

votes

2020-03-29 04:56:40 -0600 ComputerVisionary

Train cascade classifier for game screenshots

cascadeclassifier

336

views

no

answers

-1

votes

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

OpenCV Training Custom Haar Cascade with Python 3

951

views

2

answers

no

votes

2013-03-08 02:39:52 -0600 StevenPuttemans

Problems with Haartraining

669

views

1

answer

no

votes

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

Picture and Samples Sizes opencv_traincascade

8k

views

1

answer

no

votes

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

OpenCV Python detectMultiscale

python

790

views

1

answer

no

votes

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

Haar Feature

Haar
feature

2k

views

1

answer

no

votes

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

Assertion error in cvtColor

218

views

no

answers

no

votes

2014-05-19 16:41:54 -0600 Fox_21

OpenCV Python face accuracy

1k

views

no

answers

no

votes

2015-07-02 05:30:19 -0600 crustycrab

Unspecified error (The node does not represent a user object (unknown type?)) in function cvRead

node

2k

views

1

answer

no

votes

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

openCV 2.4.9.1 sample creation works but gives error message

166

views

no

answers

no

votes

2019-09-05 13:41:55 -0600 vito95

how does opencv handle rectangles feature of haar cascade classifier?

4k

views

1

answer

no

votes

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

Training and Test images must be of equal size

1k

views

no

answers

no

votes

2016-10-04 01:24:47 -0600 berak

how to dispaly percentage pridiction in fisher face recoginition algorithm

868

views

1

answer

no

votes

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

I'm getting the following error while using OpenCV

989

views

1

answer

no

votes

2014-06-15 00:52:33 -0600 Abhishek Kumar Annamraju

Opencv and traincascade.exe

845

views

1

answer

no

votes

2015-09-02 08:23:48 -0600 StevenPuttemans

opencv_traincascade line 152

traincascade

513

views

1

answer

no

votes

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

Can't Generate XML file

xml

1k

views

no

answers

no

votes

2016-10-25 02:52:47 -0600 irum

recognition giving error of training and test data (size not same)

1k

views

1

answer

no

votes

2015-11-20 04:59:46 -0600 StevenPuttemans

Required leaf false alarm rate achieved. Branch training terminated.

manyxmlsgenerated

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 "

536

views

no

answers

no

votes

2017-01-09 05:48:00 -0600 berak

Save the eye image after the detection [closed]

3k

views

no

answers

no

votes

2016-10-24 04:29:31 -0600 irum

What type of result predict function of fisherface recognizer returns

295

views

no

answers

no

votes

2016-08-05 04:42:04 -0600 Param92

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

415

views

no

answers

no

votes

2015-06-25 04:20:29 -0600 angela

222 questions

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

TypeError: Expected Ptr<cv::UMat> for argument 'src'

How to live stream to a website using cv2 library

opencv traincascade on windows

OpenCV Detecting Traffic Light green signal

Pornography/nudity Cascade training best size and parameters [closed]

Train cascade classifier for game screenshots

OpenCV Training Custom Haar Cascade with Python 3

Problems with Haartraining

Picture and Samples Sizes opencv_traincascade

OpenCV Python detectMultiscale

Haar Feature

Assertion error in cvtColor

OpenCV Python face accuracy

Unspecified error (The node does not represent a user object (unknown type?)) in function cvRead

openCV 2.4.9.1 sample creation works but gives error message

how does opencv handle rectangles feature of haar cascade classifier?

Training and Test images must be of equal size

how to dispaly percentage pridiction in fisher face recoginition algorithm

I'm getting the following error while using OpenCV

Opencv and traincascade.exe

opencv_traincascade line 152

Can't Generate XML file

recognition giving error of training and test data (size not same)

Required leaf false alarm rate achieved. Branch training terminated.

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

Save the eye image after the detection [closed]

What type of result predict function of fisherface recognizer returns

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

Detections too small with OpenCV Cascade classifier

Links

Contributors

Tags