Questions - OpenCV Q&A Forum

375

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no

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2020-11-25 15:49:52 -0600 serge

How to know the exact location of an object in an image after detecting it using haar-cascade?

433

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2020-11-21 02:13:53 -0600 berak

Result of My Cascade Training is Bad

opencv#traincascade

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2020-11-04 08:59:59 -0600 berak

Train Cascade

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

Undefined symbols for architecture x86_64

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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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3

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2020-09-16 09:52:00 -0600 LauLauThom

Haar cascade detector with non-maxima suppression

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2020-09-14 02:19:42 -0600 berak

Where to find opencv_createsamples.exe in windows

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

Improving Haar Cascade results

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

“Incremental” [face] training

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

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

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

opencv_traincascade keeps core dumping [closed]

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

Train from haarcascade frontface

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

LBPHFaceRecognizer slows down processes

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

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

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

Can you help me with nail detection please?

objectdetection

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

Best Face Detection Trained Data for Haar Cascade Classifier?

357

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

How to train more accurate Haar Cascades?

479

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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.)

138

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

Using AWS to train and develop downloadable cascade file

aws

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

Face Recognition with CNN

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

training haar cascade with single positive sample

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2

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6

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

Missing HOG Cascade in Ver 3

HOG

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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?

407

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

Training Haar cascades for face detection..

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

how to solve problem of low fps in OpenCV

15k

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2

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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

504

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no

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

Cannot detect cars

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2

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

[OSX] Can't find opencv_createsamples & opencv_traincascade

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2

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no

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

728 questions

How to know the exact location of an object in an image after detecting it using haar-cascade?

Result of My Cascade Training is Bad

Train Cascade

Undefined symbols for architecture x86_64

I'm getting the following error while using OpenCV

Haar cascade detector with non-maxima suppression

Where to find opencv_createsamples.exe in windows

Improving Haar Cascade results

“Incremental” [face] training

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

opencv_traincascade keeps core dumping [closed]

OpenCV Training Custom Haar Cascade with Python 3

Train from haarcascade frontface

LBPHFaceRecognizer slows down processes

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

Can you help me with nail detection please?

Best Face Detection Trained Data for Haar Cascade Classifier?

How to train more accurate Haar Cascades?

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.)

Using AWS to train and develop downloadable cascade file

Face Recognition with CNN

training haar cascade with single positive sample

Missing HOG Cascade in Ver 3

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

Training Haar cascades for face detection..

how to solve problem of low fps in OpenCV

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

Cannot detect cars

[OSX] Can't find opencv_createsamples & opencv_traincascade

Passengers counting in car using opencv

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