Questions - OpenCV Q&A Forum

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2014-06-30 07:54:17 -0600 keyvan

Cascade Training Error OpenCV 2.4.4 - Train dataset for temp stage can not filled. Branch training terminated. Cascade Classifier can't be trained. check the used training parameters

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2013-02-14 04:17:11 -0600 Guanta

What is the best solution for rotation invariant detector?

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2013-05-16 05:53:33 -0600 vinayverma

OpenCV_traincascade giving a lot of false positives

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no

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2016-02-02 06:50:43 -0600 StevenPuttemans

why may detectMultiScale() give too many points out of the interested object?

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no

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2013-07-13 13:05:25 -0600 asd

correct parameters for createsamples and traincascade

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2020-03-29 04:56:40 -0600 ComputerVisionary

Train cascade classifier for game screenshots

cascadeclassifier

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2013-08-28 11:40:05 -0600 StevenPuttemans

ANDROID: Using CameraBridgeViewBase to capture camera frames. Only getting ~3 frames per second when detecting objects with classifier...

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2018-02-28 02:39:55 -0600 saideepthik

Error while running code that uses Haar Classifier xml: "Incorrect type of self "

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no

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2018-04-25 07:46:03 -0600 StevenPuttemans

Combining classifiers

cascadeclassifier

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no

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2016-10-28 04:51:23 -0600 StevenPuttemans

Picture and Samples Sizes opencv_traincascade

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no

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

Haar classifier limitations

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2015-09-25 04:30:14 -0600 nastaran

how to set XML cascade for detecting eyes and face on perspective view of faces

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no

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2018-12-02 20:07:50 -0600 blues

cuda detectMultiScale gets inconsistent result on same image?

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2012-12-24 12:02:55 -0600 Mostafa Sataki

Classify head shape

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no

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2012-11-18 07:57:33 -0600 Mostafa Sataki

multithreaded cascade classifire

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2012-11-29 15:38:24 -0600 venky

CascadeClassifier.detectMultiScale takes a minute! Why?

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1

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no

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2013-06-20 15:34:45 -0600 berak

error while loading haar classifier

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2014-02-20 11:44:46 -0600 Will Stewart

How to detect a fallen person with a camera image?

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5

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2016-01-01 10:29:17 -0600 sturkmen

HOG CascadeClassifier Training - Amount of samples

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no

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2019-02-21 04:17:13 -0600 berak

Can we create our own haar-cascade file for multi-view face detection

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no

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2016-06-24 23:24:32 -0600 berak

improve existing cascade.xml ?

469

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no

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2020-03-29 05:51:41 -0600 ComputerVisionary

Cannot detect cars

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3

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2013-08-12 09:19:39 -0600 StevenPuttemans

Detecting small faces in large photos using OpenCV and Python

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4

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2015-04-05 03:21:23 -0600 Gino Strato

traincascade detections with output score for precision recall curves

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1

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2015-10-22 18:56:18 -0600 sturkmen

Face detect inconsistent performance

147

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no

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2016-10-07 03:48:13 -0600 StevenPuttemans

opencv_traincascade always halts on stage 4.i

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1

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no

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2013-04-01 06:40:25 -0600 Guanta

Which is the best way to detect object in this case?

392

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1

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no

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2016-08-20 12:02:20 -0600 mattm401

PR Curve for Cascade w/ detectMultiScale3: Never Completes

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1

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3

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2013-03-22 12:20:11 -0600 StevenPuttemans

Question about calculation of positive and negative examples for training a LBP classifier and not getting stuck because of a wrong number of nPOS and nNEG.

1k

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1

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2

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2016-01-28 03:09:37 -0600 berak

how to use CascadeClassifier::read?

cascadeclassifier

108 questions

Cascade Training Error OpenCV 2.4.4 - Train dataset for temp stage can not filled. Branch training terminated. Cascade Classifier can't be trained. check the used training parameters

What is the best solution for rotation invariant detector?

OpenCV_traincascade giving a lot of false positives

why may detectMultiScale() give too many points out of the interested object?

correct parameters for createsamples and traincascade

Train cascade classifier for game screenshots

ANDROID: Using CameraBridgeViewBase to capture camera frames. Only getting ~3 frames per second when detecting objects with classifier...

Error while running code that uses Haar Classifier xml: "Incorrect type of self "

Combining classifiers

Picture and Samples Sizes opencv_traincascade

Haar classifier limitations

how to set XML cascade for detecting eyes and face on perspective view of faces

cuda detectMultiScale gets inconsistent result on same image?

Classify head shape

multithreaded cascade classifire

CascadeClassifier.detectMultiScale takes a minute! Why?

error while loading haar classifier

How to detect a fallen person with a camera image?

HOG CascadeClassifier Training - Amount of samples

Can we create our own haar-cascade file for multi-view face detection

improve existing cascade.xml ?

Cannot detect cars

Detecting small faces in large photos using OpenCV and Python

traincascade detections with output score for precision recall curves

Face detect inconsistent performance

opencv_traincascade always halts on stage 4.i

Which is the best way to detect object in this case?

PR Curve for Cascade w/ detectMultiScale3: Never Completes

Question about calculation of positive and negative examples for training a LBP classifier and not getting stuck because of a wrong number of nPOS and nNEG.

how to use CascadeClassifier::read?

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