Questions - OpenCV Q&A Forum

909

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no

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2018-11-05 10:35:17 -0600 phillity

FDA and LDA classification

147

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no

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no

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2019-02-19 17:34:01 -0600 Programming_Enthusiast

Classify a trajectory using SVM from freeman chain codes

404

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1

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no

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2019-07-30 06:57:49 -0600 manef

problem while load trained svm android

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1

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2019-08-01 05:54:05 -0600 LBerger

How to load CV2.ml_Knearest pre-trained classifier back into Python memory?

110

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no

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2019-10-20 22:06:30 -0600 Sweetmei

How to create trained_classifierNM1(2).xml, OCRHMM_transitions_table.xml files?

classifier

880

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no

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no

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2020-05-03 04:22:23 -0600 avs123a

Help with OpenCV image classification by ORB features

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2020-06-24 23:05:05 -0600 neel19

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

7k

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2013-04-13 07:08:20 -0600 Guanta

haar classifier detection vs feature detection,extraction and matching

1k

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2013-09-26 03:53:40 -0600 Guanta

What evaluation classifiers? Precision & recall?

2k

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2014-03-13 04:21:38 -0600 Guanta

Bag of (visual) Words - Locate Object in Image

207

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2014-03-27 17:46:16 -0600 enrique

Train Haar classifier for open/closed eyes

653

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2014-04-07 10:05:04 -0600 Fr3@k

Cascade Training Error

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2014-07-09 07:58:52 -0600 StevenPuttemans

negative images used for training

1k

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2017-07-26 05:24:57 -0600 Raki

How to detect or classify image type

844

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no

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2015-02-27 21:56:54 -0600 mtourne

Latent SVM - training from opencv_extras [closed]

380

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2015-06-22 07:22:16 -0600 blDraX

NormalBayesClassifier Predict Errors

508

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2015-10-01 02:13:42 -0600 Aj-611

HEAP; corruption or bug when detect face using cascade classifier

529

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2016-03-03 23:31:20 -0600 Prakash

Opencv haar training parameters : Mode & symmentry

148

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2017-06-18 04:31:55 -0600 ThorbjornSomod

Modifying features of opencv_traincascade [closed]

661

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2

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2013-07-29 17:31:07 -0600 Mathieu Barnachon

How do I create a frequency histogram?

341

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2013-09-27 12:53:41 -0600 Mostafa Sataki

Train from color, not from object.

1k

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1

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2

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2014-02-14 17:34:45 -0600 tuannhtn

k-nearest neighbor classifier

184

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no

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2

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2019-12-14 12:43:13 -0600 bong0

Use custom classifier in ERFilter with python

1k

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1

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3

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2012-07-20 12:09:25 -0600 Ilya Lysenkov

How to control the precision vs. recall rate of a classifier?

836

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2

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3

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2012-10-17 05:16:43 -0600 Ben

Using OpenCV as a stress detector

11k

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2

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4

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2012-07-04 08:57:31 -0600 Kirill Kornyakov

Enable Multithreading with TBB during cascade training

1k

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1

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4

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2012-09-21 01:50:34 -0600 sammy

Haar Classifier patent infringement?

1k

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no

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4

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2015-06-09 01:36:12 -0600 SteveBorges

markers detection

4k

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2

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4

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2015-10-07 08:03:13 -0600 dtmoodie

89 questions

FDA and LDA classification

Classify a trajectory using SVM from freeman chain codes

problem while load trained svm android

How to load CV2.ml_Knearest pre-trained classifier back into Python memory?

How to create trained_classifierNM1(2).xml, OCRHMM_transitions_table.xml files?

Help with OpenCV image classification by ORB features

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

haar classifier detection vs feature detection,extraction and matching

What evaluation classifiers? Precision & recall?

Bag of (visual) Words - Locate Object in Image

Train Haar classifier for open/closed eyes

Cascade Training Error

negative images used for training

How to detect or classify image type

Latent SVM - training from opencv_extras [closed]

NormalBayesClassifier Predict Errors

HEAP; corruption or bug when detect face using cascade classifier

Opencv haar training parameters : Mode & symmentry

Modifying features of opencv_traincascade [closed]

How do I create a frequency histogram?

Train from color, not from object.

k-nearest neighbor classifier

Use custom classifier in ERFilter with python

How to control the precision vs. recall rate of a classifier?

Using OpenCV as a stress detector

Enable Multithreading with TBB during cascade training

Haar Classifier patent infringement?

markers detection

How can Caffe be interfaced using OpenCV

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