Questions - OpenCV Q&A Forum

748

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1

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no

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2016-07-20 03:48:15 -0600 StevenPuttemans

Transparency (alpha) handling in cascade training?

5k

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1

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2

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2016-07-21 15:03:29 -0600 eTicket

How to train classifiers the best way possible

2k

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1

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no

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2016-10-04 06:42:58 -0600 StevenPuttemans

Cascade Training Error OpenCV 3.0.0 - Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.

568

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1

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no

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2016-10-05 05:59:56 -0600 StevenPuttemans

cascade training best practices for lit sign

368

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1

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no

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2018-02-27 07:01:32 -0600 Akshata7

why we should create .vec files to train harr cascade classifier.

createsamples

210

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1

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no

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2018-07-07 03:48:56 -0600 berak

how can I solve this error?

train_cascade

402

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1

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no

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

Training Haar cascades for face detection..

316

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no

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2019-11-24 12:12:33 -0600 berak

cascade training... help!

traincascade

297

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no

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no

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2016-02-03 10:33:51 -0600 Lory

Why does OpenCV recognize the object only in training images? [closed]

135

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-2

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

facerecognition using fisherfaces [closed]

opencv
c++

251

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no

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no

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

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

106

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no

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2016-12-01 04:18:32 -0600 lemurdock

Haar Cascade OpenCV Python [closed]

cascade

140

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no

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2016-01-29 05:01:46 -0600 carl82

Facial detection positive sample vector size

186

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no

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no

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2017-03-28 01:28:59 -0600 Julius

TrainCascade: Choise of parameters and positive image [closed]

131

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no

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no

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2014-03-04 01:14:30 -0600 Lokesh Tiwari

OPEN CV Haartraining Fails at last command of training

413

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no

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no

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2015-06-25 04:20:29 -0600 angela

Detections too small with OpenCV Cascade classifier

389

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no

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no

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2017-11-05 10:45:26 -0600 jakub.pietrzak96

opencv_traincascade too quick with bad results [closed]

394

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no

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no

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2016-03-03 05:24:58 -0600 huhu

Mobile Object Detection through Client-Server framework

543

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no

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2016-11-10 09:01:16 -0600 ThorbjornSomod

Training a lbp detector/classifier

1k

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no

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no

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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

187

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no

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no

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2013-11-12 23:57:55 -0600 gsgrebe

traincascade exits early, no error [closed]

cascadetraining

86

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no

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2015-10-20 07:19:11 -0600 kelpie

opencv_traincascade unhandeled exception

cvhaartraining

563

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no

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no

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2013-10-22 03:06:52 -0600 samkhan13

Python, OpenCV: unable to make custom LBP cascade using opencv_traincascade

530

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no

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no

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

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

629

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no

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no

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2015-07-06 10:09:59 -0600 jackwayneright

opencv_traincascade stuck on precalculation when running LBP mode

95

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no

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no

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2015-11-25 07:28:13 -0600 belgraviton

Cascade classifier stage construction looping [closed]

cascade

1k

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no

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no

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2014-02-05 05:39:22 -0600 ART

Unspecified error in persistence.cpp during trainingcascade

270

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no

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no

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2015-05-07 07:20:34 -0600 Fabbricio

How to train two objects with different sizes in openCv [closed]

371

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no

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2014-05-12 20:49:53 -0600 alberta_008

TrainCascade stuck on getting new negatives

232

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no

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no

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2014-07-24 14:17:06 -0600 Shiloh

211 questions

Transparency (alpha) handling in cascade training?

How to train classifiers the best way possible

Cascade Training Error OpenCV 3.0.0 - Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.

cascade training best practices for lit sign

why we should create .vec files to train harr cascade classifier.

how can I solve this error?

Training Haar cascades for face detection..

cascade training... help!

Why does OpenCV recognize the object only in training images? [closed]

facerecognition using fisherfaces [closed]

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

Haar Cascade OpenCV Python [closed]

Facial detection positive sample vector size

TrainCascade: Choise of parameters and positive image [closed]

OPEN CV Haartraining Fails at last command of training

Detections too small with OpenCV Cascade classifier

opencv_traincascade too quick with bad results [closed]

Mobile Object Detection through Client-Server framework

Training a lbp detector/classifier

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

traincascade exits early, no error [closed]

opencv_traincascade unhandeled exception

Python, OpenCV: unable to make custom LBP cascade using opencv_traincascade

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

opencv_traincascade stuck on precalculation when running LBP mode

Cascade classifier stage construction looping [closed]

Unspecified error in persistence.cpp during trainingcascade

How to train two objects with different sizes in openCv [closed]

TrainCascade stuck on getting new negatives

Question about numPos, S in traincascade, and hard negative

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