Questions - OpenCV Q&A Forum

597

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1

answer

no

votes

2019-08-15 12:49:35 -0600 berak

cmake build error for 'trancascade' app

traincascade

341

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1

answer

no

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2015-11-19 07:42:41 -0600 StevenPuttemans

Headtracking while user is wearing HMD

486

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1

answer

no

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2015-10-07 06:08:41 -0600 Felicity

Performance Evaluation in Haar Cascade not working

526

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no

answers

no

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2014-03-16 14:42:03 -0600 Rolo

Logo Text Detection Accuracy

357

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1

answer

no

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2016-03-06 10:29:32 -0600 berak

Creating a dataset

211

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1

answer

no

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2016-05-14 13:17:15 -0600 iamnikolie

Train Haar classifier faster

135

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no

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no

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2016-09-28 13:03:20 -0600 benorg

How should I approach preparation of training data/cascade training with one object which can be one of two colors?

708

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no

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no

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2014-06-14 13:27:48 -0600 fedor

opencv_traincascade.Unspecified error (No element name has been given)

127

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no

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no

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2014-04-16 13:30:41 -0600 Bandur

How to test trained classifiers for recognition

2k

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1

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no

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2013-06-19 01:19:23 -0600 simon111

Object detection in iOS using cascades

216

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no

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no

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2013-10-11 08:28:50 -0600 Infinite Life

I need advice about params of opencv_traincascade for my training set

1k

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no

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no

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2013-07-29 07:36:56 -0600 Hemu

Runtime error with opencv_createsamples

470

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no

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no

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2015-10-20 13:12:10 -0600 berak

Problems with traincascade

2k

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no

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no

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2015-02-01 18:42:41 -0600 Bzisch

Cascade Classifier pedestrian detection

146

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no

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no

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2017-11-09 15:28:29 -0600 ARR

Add more samples to training-set

deleted

9k

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2

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no

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2015-04-12 03:34:09 -0600 Gino Strato

Multiple objects classification

719

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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

512

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1

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no

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2013-10-28 00:15:29 -0600 r.a.

What should the parameters given for the haartrainig to be a success?

2k

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no

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no

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2016-10-25 11:27:08 -0600 berak

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

cascade

345

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no

answers

no

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2015-11-25 03:53:42 -0600 StevenPuttemans

Opencv SAMPLES not working on Ubuntu

opencv

169

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no

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no

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2015-01-03 05:50:42 -0600 tiresias

quality of trained material

328

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1

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no

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2016-05-18 03:17:34 -0600 StevenPuttemans

cascade classifier takes hours in testing one image

292

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no

answers

no

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2014-10-16 10:35:22 -0600 jcheney44

Parameters for OpenCV alt2 haar cascade [closed]

233

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no

answers

no

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2015-03-17 09:21:04 -0600 cytokinesis

Had a couple of questions about the LBP Cascade Classifier, with respect to size and aspect ratio

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

721

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1

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no

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2017-11-27 04:23:04 -0600 berak

headcount detection with opencv?

java

430

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no

answers

no

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2013-10-31 09:06:39 -0600 andr3w

Building opencv 2.4.6 in 64-bit (Windows 8 with VS 2012)

573

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1

answer

no

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2016-11-24 06:25:41 -0600 Tobyy

Cascade classifier doesn't detect object

401

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no

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no

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2013-06-26 02:50:53 -0600 Constantin

cascade classifier - can not open '.xml' file [closed]

218

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no

answers

no

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2015-03-24 00:25:55 -0600 gunshyassassin

728 questions

cmake build error for 'trancascade' app

Headtracking while user is wearing HMD

Performance Evaluation in Haar Cascade not working

Logo Text Detection Accuracy

Creating a dataset

Train Haar classifier faster

How should I approach preparation of training data/cascade training with one object which can be one of two colors?

opencv_traincascade.Unspecified error (No element name has been given)

How to test trained classifiers for recognition

Object detection in iOS using cascades

I need advice about params of opencv_traincascade for my training set

Runtime error with opencv_createsamples

Problems with traincascade

Cascade Classifier pedestrian detection

Add more samples to training-set

Multiple objects classification

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

What should the parameters given for the haartrainig to be a success?

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

Opencv SAMPLES not working on Ubuntu

quality of trained material

cascade classifier takes hours in testing one image

Parameters for OpenCV alt2 haar cascade [closed]

Had a couple of questions about the LBP Cascade Classifier, with respect to size and aspect ratio

How to recognize a door condition (open or close)

headcount detection with opencv?

Building opencv 2.4.6 in 64-bit (Windows 8 with VS 2012)

Cascade classifier doesn't detect object

cascade classifier - can not open '.xml' file [closed]

Error in opencv_traincascade

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