Questions - OpenCV Q&A Forum

523

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1

answer

no

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

Find pallet front view in 2d photo

404

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no

answers

no

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

How to live stream to a website using cv2 library

472

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2

answers

-1

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

Train cascade classifier for game screenshots

cascadeclassifier

958

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1

answer

no

votes

2020-03-29 05:05:58 -0600 ComputerVisionary

opencv_traincascade.exe available somewhere?

opencv_traincascade

849

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1

answer

no

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2020-03-29 05:11:02 -0600 ComputerVisionary

peak in false positives for detectMultiscale

detectMultiScale

445

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1

answer

no

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

Haar Cascade Classifier

242

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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?

2k

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1

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no

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2020-03-29 05:21:45 -0600 ComputerVisionary

How to tracking multiple vehicle (e.g car and motorcycle) using haar cascade classifier?

cv#opencv#python

1k

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2

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no

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2020-03-29 05:24:53 -0600 ComputerVisionary

Passengers counting in car using opencv

2k

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2

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no

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2020-03-29 05:44:06 -0600 ComputerVisionary

[OSX] Can't find opencv_createsamples & opencv_traincascade

498

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1

answer

no

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2020-03-29 05:51:41 -0600 ComputerVisionary

Cannot detect cars

15k

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2

answers

no

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2020-03-29 05:55:55 -0600 ComputerVisionary

traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)

traincascade

1k

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1

answer

no

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

how to solve problem of low fps in OpenCV

398

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1

answer

no

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2020-03-29 06:08:41 -0600 ComputerVisionary

Training Haar cascades for face detection..

4k

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3

answers

no

votes

2020-03-29 06:10:32 -0600 ComputerVisionary

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

4k

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2

answers

6

votes

2020-03-29 10:31:54 -0600 ComputerVisionary

Missing HOG Cascade in Ver 3

HOG

369

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no

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no

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2020-04-06 22:01:23 -0600 LearningCV

training haar cascade with single positive sample

605

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no

answers

no

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2020-04-15 22:12:52 -0600 rioadhii

Face Recognition with CNN

130

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1

answer

no

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2020-04-16 12:48:02 -0600 mlawton231

Using AWS to train and develop downloadable cascade file

aws

438

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no

answers

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.)

342

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no

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no

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2020-04-28 17:41:28 -0600 AndrakoValle

How to train more accurate Haar Cascades?

1k

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1

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no

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

Best Face Detection Trained Data for Haar Cascade Classifier?

1k

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1

answer

no

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2020-05-21 02:45:09 -0600 berak

Can you help me with nail detection please?

objectdetection

624

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1

answer

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]

130

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no

answers

no

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2020-06-23 12:06:19 -0600 supra56

LBPHFaceRecognizer slows down processes

657

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1

answer

no

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

Train from haarcascade frontface

326

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no

answers

-1

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

OpenCV Training Custom Haar Cascade with Python 3

269

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no

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no

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2020-07-27 18:08:39 -0600 mdaccrim97

opencv_traincascade keeps core dumping [closed]

4k

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1

answer

no

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

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

403

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1

answer

no

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2020-08-12 10:05:13 -0600 berak

728 questions

Find pallet front view in 2d photo

How to live stream to a website using cv2 library

Train cascade classifier for game screenshots

opencv_traincascade.exe available somewhere?

peak in false positives for detectMultiscale

Haar Cascade Classifier

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

How to tracking multiple vehicle (e.g car and motorcycle) using haar cascade classifier?

Passengers counting in car using opencv

[OSX] Can't find opencv_createsamples & opencv_traincascade

Cannot detect cars

traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)

how to solve problem of low fps in OpenCV

Training Haar cascades for face detection..

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

Missing HOG Cascade in Ver 3

training haar cascade with single positive sample

Face Recognition with CNN

Using AWS to train and develop downloadable cascade file

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 train more accurate Haar Cascades?

Best Face Detection Trained Data for Haar Cascade Classifier?

Can you help me with nail detection please?

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

LBPHFaceRecognizer slows down processes

Train from haarcascade frontface

OpenCV Training Custom Haar Cascade with Python 3

opencv_traincascade keeps core dumping [closed]

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

“Incremental” [face] training

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