Questions - OpenCV Q&A Forum

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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

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

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

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

How to live stream to a website using cv2 library

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

opencv traincascade on windows

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

OpenCV Detecting Traffic Light green signal

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

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

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

Train cascade classifier for game screenshots

cascadeclassifier

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

OpenCV Training Custom Haar Cascade with Python 3

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

Problems with Haartraining

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

Picture and Samples Sizes opencv_traincascade

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

OpenCV Python detectMultiscale

python

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

Haar Feature

Haar
feature

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

Assertion error in cvtColor

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

OpenCV Python face accuracy

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

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

node

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

openCV 2.4.9.1 sample creation works but gives error message

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

how does opencv handle rectangles feature of haar cascade classifier?

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

Training and Test images must be of equal size

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

how to dispaly percentage pridiction in fisher face recoginition algorithm

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

I'm getting the following error while using OpenCV

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

Opencv and traincascade.exe

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

opencv_traincascade line 152

traincascade

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

Can't Generate XML file

xml

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

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

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

Required leaf false alarm rate achieved. Branch training terminated.

manyxmlsgenerated

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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 "

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

Save the eye image after the detection [closed]

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

What type of result predict function of fisherface recognizer returns

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

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

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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

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