Questions - OpenCV Q&A Forum

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2016-10-24 04:29:31 -0600 irum

What type of result predict function of fisherface recognizer returns

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2016-10-25 02:52:47 -0600 irum

recognition giving error of training and test data (size not same)

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2016-10-25 11:27:08 -0600 berak

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

cascade

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

Picture and Samples Sizes opencv_traincascade

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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 14:22:29 -0600 CLeBeR

Webcam capture and imgshow low FPS

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2016-11-02 15:02:35 -0600 CLeBeR

FisherFace detect me even if my image is note in database

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

Haar classifier limitations

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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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2016-11-09 06:10:48 -0600 StevenPuttemans

positive image cropping haar cascades

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2016-11-09 02:42:25 -0600 berak

How to train Decision Trees? How to fill TrainData with Images?

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

How to do HAAR training?

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

Adjusting memory used in haar cascade training

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

Advice on Haar/LBP approach [closed]

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2016-11-21 10:15:55 -0600 Tobyy

opencv_traincascade: Calculating numstages numpos numneg

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2016-11-24 06:25:41 -0600 Tobyy

Cascade classifier doesn't detect object

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2016-12-01 04:18:32 -0600 lemurdock

Haar Cascade OpenCV Python [closed]

cascade

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2016-12-09 07:03:24 -0600 Tobyy

Problem with Cascade Classifier

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2016-12-13 23:56:39 -0600 akshika47

Best method to recognize currency notes [closed]

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

Cascade Classifier Preprocessing Question

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2016-12-20 04:37:49 -0600 StevenPuttemans

Cascade Classifier Training: Is the negNum decreasing each stage?

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2017-02-19 22:10:03 -0600 Netsai Chibuku

Can Haar or Cascade classifiers be accurate enough in detecting object size?

distance

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2016-12-26 06:04:55 -0600 petr.shypila

Object detection rectangle doesn't cover whole object

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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?

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2017-01-09 05:48:00 -0600 berak

Save the eye image after the detection [closed]

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2017-01-13 08:32:27 -0600 pi-null-mezon

How I can extract a face features as vector

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2017-01-13 01:41:37 -0600 berak

any possible to detect object with cascade training model and HOG feature

HOG
cascade

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2017-01-23 08:38:45 -0600 Martin93

Traincascade - still confused about acceptanceRatio

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2017-01-25 03:56:08 -0600 StevenPuttemans

728 questions

What type of result predict function of fisherface recognizer returns

recognition giving error of training and test data (size not same)

error: (-2) The node does not represent a user object (unknown type?) in function cvRead [closed]

Picture and Samples Sizes opencv_traincascade

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

Webcam capture and imgshow low FPS

FisherFace detect me even if my image is note in database

Haar classifier limitations

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

positive image cropping haar cascades

How to train Decision Trees? How to fill TrainData with Images?

How to do HAAR training?

Adjusting memory used in haar cascade training

Advice on Haar/LBP approach [closed]

opencv_traincascade: Calculating numstages numpos numneg

Cascade classifier doesn't detect object

Haar Cascade OpenCV Python [closed]

Problem with Cascade Classifier

Best method to recognize currency notes [closed]

openCV 2.4.9.1 sample creation works but gives error message

Cascade Classifier Preprocessing Question

Cascade Classifier Training: Is the negNum decreasing each stage?

Can Haar or Cascade classifiers be accurate enough in detecting object size?

Object detection rectangle doesn't cover whole object

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

Save the eye image after the detection [closed]

How I can extract a face features as vector

any possible to detect object with cascade training model and HOG feature

Traincascade - still confused about acceptanceRatio

Opencv3.1-Train dataset for temp stage can not be filled. Branch training terminated. Is this error if not how can i improve it further ?

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