Questions - OpenCV Q&A Forum

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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

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2020-05-15 04:56:35 -0600 berak

How to find neck detect part in our body or face?

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

Help with OpenCV image classification by ORB features

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2

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

Use custom classifier in ERFilter with python

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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

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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?

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

problem while load trained svm android

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

Classify a trajectory using SVM from freeman chain codes

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no

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

FDA and LDA classification

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2018-09-12 06:54:18 -0600 m93c

OpenCV.js in Web Worker problem

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2018-09-07 07:08:57 -0600 m93c

OpenCV.js unable to load haar cascades [closed]

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2018-04-04 05:42:53 -0600 berak

How to predict HOG features each frame with trained SVM classifier (and possibly get the accuracy of the prediction)

558

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no

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

Are there any ways to generate a HAAR cascade faster?

836

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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.

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2017-10-03 02:10:16 -0600 leafdet

Ideas needed for Leaf Detection

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

How to detect or classify image type

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2017-07-06 15:35:48 -0600 Highwayman

Error with cv2.CascadeClassifier() using Trained Classifier

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2017-07-06 15:15:33 -0600 henrickd

OpenCV poor performance of Haar classifier trained by me

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2017-06-23 05:55:22 -0600 CV_open

Number of items in positive samples, haar cascade classifier

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

Modifying features of opencv_traincascade [closed]

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2017-06-07 08:26:32 -0600 StevenPuttemans

How to use soft cascade in opencv 3

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2017-05-19 23:25:48 -0600 berak

How to re-train the classifiers for opencv_contrib text module

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2017-02-22 07:10:29 -0600 ashgard

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

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2017-02-17 02:57:23 -0600 LBerger

Is anyone using "ONE CLASS SVM"?

498

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2017-01-07 05:43:48 -0600 berak

Problem with knn

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2016-12-17 01:50:22 -0600 berak

openCV 2.4.9.1 sample creation works but gives error message

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

Detecting the shape of irregular objects [closed]

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2016-11-10 09:01:16 -0600 ThorbjornSomod

Training a lbp detector/classifier

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

Advice on Haar/LBP approach [closed]

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2016-10-28 09:31:45 -0600 mik8019

89 questions

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

How to find neck detect part in our body or face?

Help with OpenCV image classification by ORB features

Use custom classifier in ERFilter with python

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

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

problem while load trained svm android

Classify a trajectory using SVM from freeman chain codes

FDA and LDA classification

OpenCV.js in Web Worker problem

OpenCV.js unable to load haar cascades [closed]

How to predict HOG features each frame with trained SVM classifier (and possibly get the accuracy of the prediction)

Are there any ways to generate a HAAR cascade faster?

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

Ideas needed for Leaf Detection

How to detect or classify image type

Error with cv2.CascadeClassifier() using Trained Classifier

OpenCV poor performance of Haar classifier trained by me

Number of items in positive samples, haar cascade classifier

Modifying features of opencv_traincascade [closed]

How to use soft cascade in opencv 3

How to re-train the classifiers for opencv_contrib text module

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

Is anyone using "ONE CLASS SVM"?

Problem with knn

openCV 2.4.9.1 sample creation works but gives error message

Detecting the shape of irregular objects [closed]

Training a lbp detector/classifier

Advice on Haar/LBP approach [closed]

Error with classifier (boost): tlsKey != TLS_OUT_OF_INDEXES in function cv::TlsAbstraction::TlsAbstraction

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