Questions - OpenCV Q&A Forum

453

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2020-10-25 12:24:06 -0600 berak

Undefined symbols for architecture x86_64

773

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1

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no

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

I'm getting the following error while using OpenCV

1k

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1

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2020-08-26 20:14:07 -0600 tym

Improving Haar Cascade results

4k

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1

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

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

289

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no

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-1

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

OpenCV Training Custom Haar Cascade with Python 3

516

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1

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no

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2020-06-26 11:46:50 -0600 berak

Train from haarcascade frontface

554

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1

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no

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2020-05-22 08:27:02 -0600 supra56

[SOLVED]Determining number of Traffic Light Pattern after Detecting Traffic Light [closed]

1k

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1

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2020-05-17 02:41:26 -0600 berak

Best Face Detection Trained Data for Haar Cascade Classifier?

341

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no

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2020-04-28 02:13:05 -0600 Hibiki

I cannot run opencv_traincascade.exe (Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.)

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no

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2020-03-29 06:05:47 -0600 ComputerVisionary

how to solve problem of low fps in OpenCV

227

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1

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no

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2020-03-29 05:17:01 -0600 ComputerVisionary

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

373

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1

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no

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2020-03-29 05:13:52 -0600 ComputerVisionary

Haar Cascade Classifier

369

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no

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no

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

How to live stream to a website using cv2 library

457

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1

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no

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

Find pallet front view in 2d photo

314

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no

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2

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2019-11-28 10:27:13 -0600 Elis4

How to use dnn as a detector for facemark ?

527

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1

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no

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2019-08-26 13:31:24 -0600 berak

How the HoG features work with AdaBoost in openCV?

325

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1

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no

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2019-02-21 04:17:13 -0600 berak

Can we create our own haar-cascade file for multi-view face detection

196

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1

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no

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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

260

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-2

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2018-11-17 13:14:10 -0600 Proappdev

FaceRecognition with OpenCv, NDK and Android studio failed! [closed]

opencv

459

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no

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no

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2018-10-09 16:23:46 -0600 Simran

How to detect and count cars in different lanes using HAAR cascade

1k

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2

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no

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2018-09-25 16:11:49 -0600 sturkmen

How to use my hog.xml file?

100

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no

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no

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2018-08-01 11:51:25 -0600 graham

Cascade Training - nneg setting with prepared negative images

230

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1

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no

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2018-07-30 07:36:49 -0600 nicoz

Problem with Haar Cascade Training [closed]

393

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1

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no

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2018-07-24 04:09:01 -0600 StevenPuttemans

Error while opencv_traincascade

497

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1

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no

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

Face Prediction is invalid in Opencv Python

201

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no

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no

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2018-04-23 00:52:05 -0600 usuf

my own cascade not detecting object?

292

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1

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no

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2018-04-19 03:39:32 -0600 StevenPuttemans

Opencv_traincascade training too fast?

63

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no

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-1

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2018-04-18 02:06:03 -0600 usuf

train cascade error

698

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1

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no

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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

125

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no

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-2

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2018-03-22 06:34:47 -0600 shive

facerecognition using fisherfaces [closed]

opencv
c++

110 questions

Undefined symbols for architecture x86_64

I'm getting the following error while using OpenCV

Improving Haar Cascade results

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

OpenCV Training Custom Haar Cascade with Python 3

Train from haarcascade frontface

[SOLVED]Determining number of Traffic Light Pattern after Detecting Traffic Light [closed]

Best Face Detection Trained Data for Haar Cascade Classifier?

I cannot run opencv_traincascade.exe (Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.)

how to solve problem of low fps in OpenCV

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

Haar Cascade Classifier

How to live stream to a website using cv2 library

Find pallet front view in 2d photo

How to use dnn as a detector for facemark ?

How the HoG features work with AdaBoost in openCV?

Can we create our own haar-cascade file for multi-view face detection

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

FaceRecognition with OpenCv, NDK and Android studio failed! [closed]

How to detect and count cars in different lanes using HAAR cascade

How to use my hog.xml file?

Cascade Training - nneg setting with prepared negative images

Problem with Haar Cascade Training [closed]

Error while opencv_traincascade

Face Prediction is invalid in Opencv Python

my own cascade not detecting object?

Opencv_traincascade training too fast?

train cascade error

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

facerecognition using fisherfaces [closed]

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