Questions - OpenCV Q&A Forum

839

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1

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no

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2018-02-27 12:06:47 -0600 berak

Haar Classifier does not work, only one feature seems to be trained.

2k

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no

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no

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2018-01-21 01:50:13 -0600 whiskeyz

Real-time Shape Identification

2k

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no

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no

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2018-01-18 23:24:47 -0600 hw_gn

(Python) ASSERT: “false” in file qasciikey.cpp [closed]

python
Haar

311

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1

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no

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2018-01-07 14:03:46 -0600 datguy.dev

[Noobie] Do I need to complie OpenCV to do anything?...

623

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no

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no

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2017-11-15 02:10:55 -0600 vbc

How to improve object detection using Haar Cascade Opencv C++?

Haar
cascade

416

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no

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no

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2017-11-16 18:51:59 -0600 DrVivek

My haarcascade training can't detect anything. Is self training xml file possilble to use?

205

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no

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no

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2017-11-09 12:19:32 -0600 Davaaron

Train haar cascade using all images [closed]

379

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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]

135

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no

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-1

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2017-09-29 06:43:19 -0600 andi

Detect "marbleesque" Surface Pattern

483

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1

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no

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2017-09-19 13:49:08 -0600 ash.jo4444

Haar cascade - info.lst file not getting created (Object Detection)

211

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no

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-1

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2017-08-16 02:36:46 -0600 bubbely

Please help me with HEAD cascades [closed]

opencv
Haar

161

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no

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-1

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2017-08-08 11:45:16 -0600 sturkmen

function thresholding

1k

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no

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no

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2017-06-26 08:49:46 -0600 binsky3333

Haar Cascade negative images for backgrounds that don't change

1k

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1

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no

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2017-06-11 08:33:39 -0600 berak

pre trained haar cascade for digits

Haar
cascade

2k

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1

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no

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2018-06-01 05:06:44 -0600 arunponnusamy

How to detect sunglasses in a human/facial region?

992

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no

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no

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2017-05-11 07:24:21 -0600 CV_open

traincascade acceptance Ratio break value

554

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no

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1

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2017-04-04 19:33:59 -0600 daveg2

Why does Haar cascade classifier performance change when I crop an image?

279

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no

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2017-02-01 22:04:45 -0600 Marcwolf

Mouth Shape Detection using Raspberry Pi [closed]

191

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1

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-2

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2017-01-10 15:50:08 -0600 danieln

ReProjection function?

3k

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3

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no

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2020-03-29 06:10:32 -0600 ComputerVisionary

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

265

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no

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no

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2016-12-17 05:02:17 -0600 LBerger

Linux miniPC haar cascade freeze ! [closed]

237

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no

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no

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2016-11-23 01:10:31 -0600 dipumon

Person Detection from a ip camera

712

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no

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no

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2016-11-10 17:28:49 -0600 Mohamed Alzaki

Detecting the shape of irregular objects [closed]

210

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no

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no

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

Advice on Haar/LBP approach [closed]

488

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1

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no

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2016-11-08 16:37:47 -0600 Mohamed Alzaki

Adjusting memory used in haar cascade training

287

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no

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no

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

How to do HAAR training?

2k

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1

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no

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2016-10-31 06:00:35 -0600 StevenPuttemans

Haar classifier limitations

349

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no

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no

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2016-10-07 13:00:11 -0600 Neldar

Haar Training detectMultiScale does not work very well when size vary

609

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no

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no

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2016-09-27 01:20:57 -0600 roboteyes

How to choose an appropriate set of negative samples?

Haar

195

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no

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no

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2016-07-31 09:08:22 -0600 sengsational

155 questions

Haar Classifier does not work, only one feature seems to be trained.

Real-time Shape Identification

(Python) ASSERT: “false” in file qasciikey.cpp [closed]

[Noobie] Do I need to complie OpenCV to do anything?...

How to improve object detection using Haar Cascade Opencv C++?

My haarcascade training can't detect anything. Is self training xml file possilble to use?

Train haar cascade using all images [closed]

opencv_traincascade too quick with bad results [closed]

Detect "marbleesque" Surface Pattern

Haar cascade - info.lst file not getting created (Object Detection)

Please help me with HEAD cascades [closed]

function thresholding

Haar Cascade negative images for backgrounds that don't change

pre trained haar cascade for digits

How to detect sunglasses in a human/facial region?

traincascade acceptance Ratio break value

Why does Haar cascade classifier performance change when I crop an image?

Mouth Shape Detection using Raspberry Pi [closed]

ReProjection function?

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

Linux miniPC haar cascade freeze ! [closed]

Person Detection from a ip camera

Detecting the shape of irregular objects [closed]

Advice on Haar/LBP approach [closed]

Adjusting memory used in haar cascade training

How to do HAAR training?

Haar classifier limitations

Haar Training detectMultiScale does not work very well when size vary

How to choose an appropriate set of negative samples?

Rough outline for grocery shopping Android app

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