Questions - OpenCV Q&A Forum

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2018-05-02 17:18:03 -0600 mssm1996

OpenCV Detecting Traffic Light green signal

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

Haar Cascade negative images for backgrounds that don't change

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2014-05-19 16:41:54 -0600 Fox_21

OpenCV Python face accuracy

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2018-11-09 09:32:20 -0600 caiocanalli

Low accuracy of SVM on Android

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2018-02-10 00:56:13 -0600 ice

Cascade Classifier

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2017-07-11 08:50:36 -0600 shincodex

cv::cuda::CascadeClassifier OpenCV 3.2 using data trained in OpenCV 2.4.11

cascadeclassifier

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2015-03-24 13:33:48 -0600 cytokinesis

Is there a way to control how many stages a cascade classifier uses?

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2016-12-17 19:08:05 -0600 DerrickB

Cascade Classifier Preprocessing Question

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2016-04-10 01:28:08 -0600 Vijay Singh

Which is a good algorithm to recognize flora, fauna.

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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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2017-11-07 20:38:38 -0600 vbc

opencv traincascade positive and negative image

cascadeclassifier

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2016-05-19 18:58:39 -0600 Ramkumar Natarajan

opencv_traincascade to train in different colorspace

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2017-09-21 10:08:56 -0600 muhammad.umar600

Need Pre-trained classifier (xml) for Door detection

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2017-05-22 12:15:24 -0600 pmullowney

parallelization of apps/traincascade/cascadeclassifier::fillPassedSamples()

cascadeclassifier

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2018-03-07 09:21:15 -0600 Jad

The number of rejected windows in detectMultiScale()

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2016-09-28 13:03:20 -0600 benorg

How should I approach preparation of training data/cascade training with one object which can be one of two colors?

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2015-01-03 05:50:42 -0600 tiresias

quality of trained material

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2017-10-30 11:27:43 -0600 Machete

finger nails detection iOS

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2018-03-06 07:13:41 -0600 Jad

Is there a way to compute precision of a boosted cascade stages?

cascadeclassifier

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2018-03-03 11:37:57 -0600 Jad

error while visualizing the cascade stage features

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2017-10-06 13:52:14 -0600 holdman

Cascade Classifier - detectmultiscale does not return MatOfRect objects

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2015-02-25 11:47:57 -0600 Schawn

Cascade training error - Empty data folder error

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2015-03-12 07:52:16 -0600 Schawn

Training Dectectors - Image Sample Preparations

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2015-04-06 23:56:36 -0600 Tariq

Training data set for frontal face cascade classifier

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2015-11-11 04:32:03 -0600 Marco Maisto

Cascade classifier training with HOG and different-scale blocks

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2016-10-26 18:22:21 -0600 atomoclast

Training Cascades with 2-3 varient items/increasing robustness.

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2016-11-02 08:14:32 -0600 Inder

Can Cascade Classifier Training in OpenCV be termed as Machine learning?

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2017-06-02 08:26:26 -0600 Simão Martin

Cascade Classifier - Utilize less processor with TBB training.

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2017-12-21 20:43:46 -0600 bateringzax

Poor Cascade Training Results

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2017-12-25 19:54:20 -0600 bateringzax

39 questions

OpenCV Detecting Traffic Light green signal

Haar Cascade negative images for backgrounds that don't change

OpenCV Python face accuracy

Low accuracy of SVM on Android

Cascade Classifier

cv::cuda::CascadeClassifier OpenCV 3.2 using data trained in OpenCV 2.4.11

Is there a way to control how many stages a cascade classifier uses?

Cascade Classifier Preprocessing Question

Which is a good algorithm to recognize flora, fauna.

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

opencv traincascade positive and negative image

opencv_traincascade to train in different colorspace

Need Pre-trained classifier (xml) for Door detection

parallelization of apps/traincascade/cascadeclassifier::fillPassedSamples()

The number of rejected windows in detectMultiScale()

How should I approach preparation of training data/cascade training with one object which can be one of two colors?

quality of trained material

finger nails detection iOS

Is there a way to compute precision of a boosted cascade stages?

error while visualizing the cascade stage features

Cascade Classifier - detectmultiscale does not return MatOfRect objects

Cascade training error - Empty data folder error

Training Dectectors - Image Sample Preparations

Training data set for frontal face cascade classifier

Cascade classifier training with HOG and different-scale blocks

Training Cascades with 2-3 varient items/increasing robustness.

Can Cascade Classifier Training in OpenCV be termed as Machine learning?

Cascade Classifier - Utilize less processor with TBB training.

Poor Cascade Training Results

High false alarm rates at step 100 for cascade training

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