Questions - OpenCV Q&A Forum

741

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2017-10-06 13:52:14 -0600 holdman

Cascade Classifier - detectmultiscale does not return MatOfRect objects

553

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2017-10-03 17:00:37 -0600 user1932890

Implement Viola-Jones from scratch with pre-trained Haar cascade

cvHaarCascade

395

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2017-09-22 09:32:26 -0600 Negierly

OpenCV Error: Assertion failed

283

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2017-09-21 10:08:56 -0600 muhammad.umar600

Need Pre-trained classifier (xml) for Door detection

1k

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2

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2017-09-19 06:43:25 -0600 StevenPuttemans

Traincascade - Required leaf false alarm rate achieved. Branch training terminated.

createsamples

272

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2017-09-10 12:10:36 -0600 hyder

Train an LBP head detector using opencv_traincascade [closed]

349

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1

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no

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2017-09-07 02:31:24 -0600 StevenPuttemans

Traincascade cannot reach False Alarm Rate?

opencv_traincascade

602

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1

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no

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2017-08-27 17:56:26 -0600 berak

Can I update the pre-trained haar cascades classifiers stored in .xml files?

400

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1

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no

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2017-08-21 07:39:09 -0600 HIT_Braga

Detect small smd part

SMD
2d-image

1k

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1

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no

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2017-07-29 05:46:18 -0600 berak

How to recognize a door condition (open or close)

copencvpython

2k

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1

answer

1

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2017-07-26 05:20:28 -0600 Raki

Logo detection techniques

object-detection

1k

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1

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no

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2017-07-12 07:40:18 -0600 gfx

[Solved] Ubuntu 14 opencv3.0.0 Training your own detector | packtpub.com error ...

239

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2017-07-11 08:50:36 -0600 shincodex

cv::cuda::CascadeClassifier OpenCV 3.2 using data trained in OpenCV 2.4.11

cascadeclassifier

1k

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1

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no

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2017-07-08 02:16:53 -0600 berak

haarCascade trainning - Cuda?

gpu#cuda#opencv

5k

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1

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no

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2017-07-06 15:35:48 -0600 Highwayman

Error with cv2.CascadeClassifier() using Trained Classifier

1k

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no

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2017-07-03 15:24:08 -0600 linengmiao

undefined reference to createFisherFaceRecognizer() - Incorrect openCV docs?

FaceRecognizer

525

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2017-07-02 21:51:36 -0600 wureka

Why vGPU (Tesla K80) on Google cloud slower than GTX940M on T460P

150

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1

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no

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2017-07-01 01:26:01 -0600 berak

how to recover train cascade from stage

177

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no

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2017-06-28 10:07:31 -0600 eshirima

Cascade training parameters and time

1k

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2017-06-26 08:49:46 -0600 binsky3333

Haar Cascade negative images for backgrounds that don't change

1k

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no

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2017-06-25 00:57:04 -0600 berak

Confidence scores for cascade classifiers (revisited) [closed]

300

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2017-06-23 05:55:22 -0600 CV_open

Number of items in positive samples, haar cascade classifier

251

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2017-06-22 02:48:58 -0600 wureka

my trained cascade.xml makes the call detectMultiScale(...) hangs [closed]

187

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2017-06-21 12:27:55 -0600 Shabrina

Can I use good feature to track if I have the training data is a landmark point? [closed]

562

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no

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2017-06-17 15:01:46 -0600 Eduardo

False positive (FP) decreasing methods

false-positive

4k

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1

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no

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

Training and Test images must be of equal size

87

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no

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2017-06-13 17:07:22 -0600 JP MOCHET

haar detection bouding box

objectdetection

1k

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1

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no

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2017-06-11 08:33:39 -0600 berak

pre trained haar cascade for digits

Haar
cascade

164

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no

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no

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2017-06-02 08:26:26 -0600 Simão Martin

Cascade Classifier - Utilize less processor with TBB training.

299

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1

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no

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2017-05-31 04:20:39 -0600 StevenPuttemans

Purpose of trained xml file

opencv
xml

728 questions

Cascade Classifier - detectmultiscale does not return MatOfRect objects

Implement Viola-Jones from scratch with pre-trained Haar cascade

OpenCV Error: Assertion failed

Need Pre-trained classifier (xml) for Door detection

Traincascade - Required leaf false alarm rate achieved. Branch training terminated.

Train an LBP head detector using opencv_traincascade [closed]

Traincascade cannot reach False Alarm Rate?

Can I update the pre-trained haar cascades classifiers stored in .xml files?

Detect small smd part

How to recognize a door condition (open or close)

Logo detection techniques

[Solved] Ubuntu 14 opencv3.0.0 Training your own detector | packtpub.com error ...

cv::cuda::CascadeClassifier OpenCV 3.2 using data trained in OpenCV 2.4.11

haarCascade trainning - Cuda?

Error with cv2.CascadeClassifier() using Trained Classifier

undefined reference to createFisherFaceRecognizer() - Incorrect openCV docs?

Why vGPU (Tesla K80) on Google cloud slower than GTX940M on T460P

how to recover train cascade from stage

Cascade training parameters and time

Haar Cascade negative images for backgrounds that don't change

Confidence scores for cascade classifiers (revisited) [closed]

Number of items in positive samples, haar cascade classifier

my trained cascade.xml makes the call detectMultiScale(...) hangs [closed]

Can I use good feature to track if I have the training data is a landmark point? [closed]

False positive (FP) decreasing methods

Training and Test images must be of equal size

haar detection bouding box

pre trained haar cascade for digits

Cascade Classifier - Utilize less processor with TBB training.

Purpose of trained xml file

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