Questions - OpenCV Q&A Forum

491

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2015-05-26 12:38:21 -0600 AspireStone3

How to traincascade LBP?

9k

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1

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2015-09-22 01:36:50 -0600 albertofernandez

How to use OpenCV to find if a person is wearing a hat or glasses?

86

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no

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no

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

opencv_traincascade unhandeled exception

cvhaartraining

704

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1

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no

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2016-06-02 12:59:29 -0600 xEden

opencv_traincascade.exe crashes while at NEG current samples

459

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2016-06-09 10:10:22 -0600 cv_enthusiast

analytic choice of parameters in traincascade

90

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2016-10-17 11:12:12 -0600 walatima

How to detect faces in image or video?

opencv#java#

531

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

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

409

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2016-06-27 03:21:44 -0600 danaro

OpenCV algorithm freezes PLEASE HELP [unsolved] [closed]

1k

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2015-09-11 05:04:53 -0600 StevenPuttemans

traincascade error - _cascadeDirName or _bgfileName or _vecFileName is NULL

traincascade

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

Unspecified error in persistence.cpp during trainingcascade

422

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2016-08-02 10:58:31 -0600 shoemakerlevy9

Haar Cascade instability

156

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1

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

opencv_traincascade always halts on stage 4.i

563

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

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

380

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2015-04-23 20:31:16 -0600 215

Unsupervised learning using openCV

306

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2016-11-09 04:22:33 -0600 StevenPuttemans

How to do HAAR training?

228

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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

645

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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 ?

155

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2016-02-10 20:03:09 -0600 person_I_swear

Object detector for unchanging object viewed from slightly different perstectives [closed]

546

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no

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2014-08-12 01:22:21 -0600 Punith K

convert_cascade: error while loading shared libraries: libml.so.2.1: cannot open shared object file: No such file or directory [closed]

1k

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

What is a .vec file?

287

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2014-02-14 08:59:38 -0600 Astrgan

How to use opencv_createsamples to create many pictures?

opencv_createsamples

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2014-11-18 12:27:23 -0600 Pradeep C

OpenCV Error: Assertion failed (!empty()) in detectMultiScale

367

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2015-01-05 17:55:54 -0600 jreinertnash

Background texture classification of portrait images

630

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

opencv_traincascade stuck on precalculation when running LBP mode

111

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2015-07-16 06:00:19 -0600 angela

opencv_traincascade: obtaining number of features per stage

297

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2016-06-30 10:13:20 -0600 bertumen.wj

I plan to recognize paper bills by denomination but i can't think of a way to do so ... it must be invariant of illumination, rotation and scale. can i use haar or LBP ? do you have any suggestions?

304

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no

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no

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2016-12-26 06:04:55 -0600 petr.shypila

Object detection rectangle doesn't cover whole object

564

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no

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no

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

False positive (FP) decreasing methods

false-positive

728 questions

How to traincascade LBP?

How to use OpenCV to find if a person is wearing a hat or glasses?

opencv_traincascade unhandeled exception

opencv_traincascade.exe crashes while at NEG current samples

analytic choice of parameters in traincascade

How to detect faces in image or video?

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

OpenCV algorithm freezes PLEASE HELP [unsolved] [closed]

traincascade error - _cascadeDirName or _bgfileName or _vecFileName is NULL

Unspecified error in persistence.cpp during trainingcascade

Haar Cascade instability

opencv_traincascade always halts on stage 4.i

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

Unsupervised learning using openCV

How to do HAAR training?

training stage-1 error

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

Object detector for unchanging object viewed from slightly different perstectives [closed]

convert_cascade: error while loading shared libraries: libml.so.2.1: cannot open shared object file: No such file or directory [closed]

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?

How to use opencv_createsamples to create many pictures?

OpenCV Error: Assertion failed (!empty()) in detectMultiScale

Background texture classification of portrait images

opencv_traincascade stuck on precalculation when running LBP mode

opencv_traincascade: obtaining number of features per stage

I plan to recognize paper bills by denomination but i can't think of a way to do so ... it must be invariant of illumination, rotation and scale. can i use haar or LBP ? do you have any suggestions?

Object detection rectangle doesn't cover whole object

False positive (FP) decreasing methods

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