Questions - OpenCV Q&A Forum

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2014-01-14 07:26:13 -0600 lukaszbobrek

Unsupported format or combination of formats while running face recognition from video.

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2013-12-01 10:39:40 -0600 toadle

Looking for a good way to detect positions of icons (iOS)

icon

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2016-02-21 11:10:48 -0600 Sanman

Face Detection using GPU

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1

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2014-05-11 08:38:02 -0600 MSoegtrop

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

opencv_traincascade

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2015-08-21 09:11:13 -0600 WhereToNow

Why is there a difference between OpenCV's scale change implementation of detectMultiScale between the cascade classifier and HOGDescriptor? [closed]

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2016-06-15 04:46:12 -0600 Hassan

How to track an object which is detected using cascade classifier [closed]

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2012-09-26 07:38:09 -0600 sameer

Image clipping with mechanical turk

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-2

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2014-08-18 20:31:55 -0600 dang ky 3g mobifone

Fish detection. Is haartraining a good approach ?

question

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

opencv_traincascade unhandeled exception

cvhaartraining

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

analytic choice of parameters in traincascade

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

How to detect faces in image or video?

opencv#java#

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

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

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

OpenCV algorithm freezes PLEASE HELP [unsolved] [closed]

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

Unspecified error in persistence.cpp during trainingcascade

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

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

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

Unsupervised learning using openCV

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

How to do HAAR training?

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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]

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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]

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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

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

Background texture classification of portrait images

562

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5

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2015-01-23 07:32:31 -0600 cryptid

OpenCV SaaS - would you use it?

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

opencv_traincascade stuck on precalculation when running LBP mode

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

opencv_traincascade: obtaining number of features per stage

222

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-1

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2016-06-21 05:00:18 -0600 Jinx

Having problem with opencv_traincascade.exe crashing /w exception [closed]

deleted

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

Object detection rectangle doesn't cover whole object

562

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

False positive (FP) decreasing methods

false-positive

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2016-11-10 01:45:30 -0600 Poehe

728 questions

Unsupported format or combination of formats while running face recognition from video.

Looking for a good way to detect positions of icons (iOS)

Face Detection using GPU

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

Why is there a difference between OpenCV's scale change implementation of detectMultiScale between the cascade classifier and HOGDescriptor? [closed]

How to track an object which is detected using cascade classifier [closed]

Image clipping with mechanical turk

Fish detection. Is haartraining a good approach ?

opencv_traincascade unhandeled exception

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]

Unspecified error in persistence.cpp during trainingcascade

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

Unsupervised learning using openCV

How to do HAAR training?

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]

How to use opencv_createsamples to create many pictures?

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

Background texture classification of portrait images

OpenCV SaaS - would you use it?

opencv_traincascade stuck on precalculation when running LBP mode

opencv_traincascade: obtaining number of features per stage

Having problem with opencv_traincascade.exe crashing /w exception [closed]

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

Advice on Haar/LBP approach [closed]

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