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2020-03-29 10:31:54 -0500 received badge  Editor (source)
2020-03-29 10:31:54 -0500 edited answer Missing HOG Cascade in Ver 3

You can keep training Hog cascades with opencv <3.0 and use the resulting xml with versions <3.0.

2020-03-29 10:29:38 -0500 commented answer Missing HOG Cascade in Ver 3

Sorry I was trying to support this community, I remove the link a correct the answer.

2020-03-29 09:27:37 -0500 answered a question Missing HOG Cascade in Ver 3

From the version >3.4 traincascade is not supported anymore in OpenCV (also for Haar and LBP cascades training). BUT

2020-03-29 06:16:33 -0500 commented answer Human detector using HAAR cascades has too many false positives it is confident about

Thanks Pablo! Our cascade outperform OpenCV standard ones :) Overview: http://www.vision-ary.net/2015/03/largest-booste

2020-03-29 06:14:49 -0500 received badge  Supporter (source)
2020-03-29 06:10:32 -0500 answered a question Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

Take a look here on how to handle the acceptanceRatio and the False acceptanceRatio in opencv traincascade: http://ww

2020-03-29 06:08:41 -0500 answered a question Training Haar cascades for face detection..

The parameters and the neg. samples you choose will lead you to a poor cascade: 100%. Take a look here for a more sophi

2020-03-29 06:05:47 -0500 answered a question how to solve problem of low fps in OpenCV

OpenCV standard cascades are terribly slow and inaccurate in real world scenarios. Professional project re-train from th

2020-03-29 06:02:08 -0500 commented answer How the HoG features work with AdaBoost in openCV?

No more development since years but companies worldwide still use a lot the cascade approach. I can suggest to use the O

2020-03-29 05:55:55 -0500 answered a question traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)

The training parameter setting is completely wrong. Take a look here to understand how the exponential decreasing of the

2020-03-29 05:51:41 -0500 answered a question Cannot detect cars

Training a real usage cascade is not trivial, number of samples and model size are fundamental in creating something mea

2020-03-29 05:44:06 -0500 answered a question [OSX] Can't find opencv_createsamples & opencv_traincascade

I can suggest to use an earlier versions of OpenCV to train the cascades, I'm still using the traincascade in Opencv 2.4

2020-03-29 05:39:35 -0500 commented question How to do hard negative mining for cascade classifier?

Info about negative "magnitude" for real cascades (billions samples): LBP | vision-ary eyes cascade: 9,000 positive s

2020-03-29 05:38:53 -0500 commented question How to do hard negative mining for cascade classifier?

Info about negative "magnitude" for real cascades (billions samples): LBP | vision-ary eyes cascade: List item 9,000

2020-03-29 05:37:23 -0500 commented question How to do hard negative mining for cascade classifier?

Info about negative "magnitude" for real cascades (billions samples): LBP | vision-ary eyes cascade: - 9,000 positive s

2020-03-29 05:24:53 -0500 answered a question Passengers counting in car using opencv

The open source world is moving massively to deep learning approaches without considering the "old school" methods are (

2020-03-29 05:21:45 -0500 answered a question How to tracking multiple vehicle (e.g car and motorcycle) using haar cascade classifier?

Yes it is possible both options: - 1 xml for 1 category - 1 xml for many categories. The rigid objects approach have

2020-03-29 05:17:01 -0500 answered a question Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

Yes it is possible with some limitation. We still suggest to use a very small scale progression around the object to be

2020-03-29 05:13:52 -0500 answered a question Haar Cascade Classifier

To train a powerful cascade and you can take a look here for a lot of tricks about hyper-speed haar, hog, lbp cascades:

2020-03-29 05:11:02 -0500 answered a question peak in false positives for detectMultiscale

The LBP, HAAR, HOG detector still detect faces even at "wrong" scales due to the great capabilities of the model to fit

2020-03-29 05:07:09 -0500 received badge  Necromancer (source)
2020-03-29 05:05:58 -0500 answered a question opencv_traincascade.exe available somewhere?

The support for traincascade.exe is not guaranteed with the latest versions of OpenCV. The open source world is moving m

2020-03-29 04:56:40 -0500 answered a question Train cascade classifier for game screenshots

1 Always better improving the dataset with a lot of generated samples. Otherwise you will 100% overfit the target. 2 -

2017-09-02 09:06:07 -0500 answered a question Best way to detect wheels passing on video

Let's try with a cascade classifier (HOG or LBP), it should be easy to build the dataset and test the cascade. Take a l