Questions - OpenCV Q&A Forum

161

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1

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no

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2016-10-07 03:48:13 -0600 StevenPuttemans

opencv_traincascade always halts on stage 4.i

229

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1

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no

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2016-06-22 11:02:19 -0600 danaro

training stage-1 error

648

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1

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no

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2013-04-20 07:03:57 -0600 Hasni

how to get all files required for haar training of my object ?

1k

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1

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1

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2012-12-14 07:47:50 -0600 ubehagelig

Tips on how to build opencv 2.4.3 (VC10)

1k

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1

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no

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2013-04-01 06:40:25 -0600 Guanta

Which is the best way to detect object in this case?

6k

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no

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2013-07-19 06:39:24 -0600 StevenPuttemans

Getting Error "Image reader can not be created from -vec vector.vec and -bg bkg.dat"

6k

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1

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no

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2013-09-18 11:50:48 -0600 hughht5

What is a .vec file?

1k

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1

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1

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2015-03-16 21:16:53 -0600 ragnarok12

Convert new format haarcasccade xml file to old format

haartraining

2k

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1

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2

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2013-08-01 07:49:27 -0600 Guido

Detecting multiple instances of same object with Keypoint-Matching approach

408

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1

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no

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2016-08-20 12:02:20 -0600 mattm401

PR Curve for Cascade w/ detectMultiScale3: Never Completes

901

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no

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2013-11-20 04:02:47 -0600 StevenPuttemans

after make -w 30 -h 30 opencv_createsamples run very very slowly

655

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1

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1

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2013-03-25 02:59:12 -0600 thdrksdfthmn

continue traincascade after computer crash

4k

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3

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2013-03-22 12:20:11 -0600 StevenPuttemans

Question about calculation of positive and negative examples for training a LBP classifier and not getting stuck because of a wrong number of nPOS and nNEG.

745

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1

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1

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2015-03-02 10:17:55 -0600 verified.human

Are cascades the best way to detect different mouth shapes on photos?

688

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1

answer

no

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2016-10-13 05:31:46 -0600 prala123

Cascade classifier detect multi scale always returns nothing.

opencv_traincascacde

664

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1

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no

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2014-09-27 07:55:27 -0600 johncordeiro

Improve Brand Detection Quality

1k

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1

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1

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2014-11-02 16:40:21 -0600 _chris

Can I pause traincascade? How?

388

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no

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2018-04-27 06:22:47 -0600 StevenPuttemans

car detection using open cv

1k

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1

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no

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2017-03-13 21:20:41 -0600 lqj1990

program will stuck when using detectMultiScale

1k

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1

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2

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2016-01-28 03:09:37 -0600 berak

how to use CascadeClassifier::read?

cascadeclassifier

220

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1

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no

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2017-01-25 03:56:08 -0600 StevenPuttemans

Opencv3.1-Train dataset for temp stage can not be filled. Branch training terminated. Is this error if not how can i improve it further ?

2k

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1

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1

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2014-02-07 15:18:54 -0600 berak

CascadeClassifier::Load from Memory

cascadeclassifier

2k

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1

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no

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2017-01-23 08:38:45 -0600 Martin93

Traincascade - still confused about acceptanceRatio

1k

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1

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no

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2013-08-14 01:04:15 -0600 StevenPuttemans

How to use the files in haar_training and traincascade folder in openCV 2.4.6?

1k

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1

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4

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2015-06-17 11:25:36 -0600 Gino Strato

HAAR training fails at different stages

472

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1

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1

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2013-05-15 19:29:59 -0600 eanes

General Cascade Classifier for any type of features

1k

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1

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no

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2016-06-03 13:08:52 -0600 KateSt

problems with using Haar Cascade

236

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1

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no

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2016-09-02 03:23:50 -0600 StevenPuttemans

Concept of Cascade Classifier

16k

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1

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no

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2013-08-12 06:23:48 -0600 StevenPuttemans

opencv_createsamples and opencv_traincascade usage example

597

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1

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no

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2018-03-06 04:06:18 -0600 Joshitha

728 questions

opencv_traincascade always halts on stage 4.i

training stage-1 error

how to get all files required for haar training of my object ?

Tips on how to build opencv 2.4.3 (VC10)

Which is the best way to detect object in this case?

Getting Error "Image reader can not be created from -vec vector.vec and -bg bkg.dat"

What is a .vec file?

Convert new format haarcasccade xml file to old format

Detecting multiple instances of same object with Keypoint-Matching approach

PR Curve for Cascade w/ detectMultiScale3: Never Completes

after make -w 30 -h 30 opencv_createsamples run very very slowly

continue traincascade after computer crash

Question about calculation of positive and negative examples for training a LBP classifier and not getting stuck because of a wrong number of nPOS and nNEG.

Are cascades the best way to detect different mouth shapes on photos?

Cascade classifier detect multi scale always returns nothing.

Improve Brand Detection Quality

Can I pause traincascade? How?

car detection using open cv

program will stuck when using detectMultiScale

how to use CascadeClassifier::read?

Opencv3.1-Train dataset for temp stage can not be filled. Branch training terminated. Is this error if not how can i improve it further ?

CascadeClassifier::Load from Memory

Traincascade - still confused about acceptanceRatio

How to use the files in haar_training and traincascade folder in openCV 2.4.6?

HAAR training fails at different stages

General Cascade Classifier for any type of features

problems with using Haar Cascade

Concept of Cascade Classifier

opencv_createsamples and opencv_traincascade usage example

Are there any ways to generate a HAAR cascade faster?

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