Questions - OpenCV Q&A Forum

981

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1

answer

no

votes

2020-03-29 05:05:58 -0600 ComputerVisionary

opencv_traincascade.exe available somewhere?

opencv_traincascade

861

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1

answer

no

votes

2020-03-29 05:11:02 -0600 ComputerVisionary

peak in false positives for detectMultiscale

detectMultiScale

452

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1

answer

no

votes

2020-03-29 05:13:52 -0600 ComputerVisionary

Haar Cascade Classifier

244

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1

answer

no

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2020-03-29 05:17:01 -0600 ComputerVisionary

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

2k

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1

answer

no

votes

2020-03-29 05:21:45 -0600 ComputerVisionary

How to tracking multiple vehicle (e.g car and motorcycle) using haar cascade classifier?

cv#opencv#python

5k

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no

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no

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2020-03-29 05:22:38 -0600 andrei186

OpenCV Python No module named 'cv2'

1k

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2

answers

no

votes

2020-03-29 05:24:53 -0600 ComputerVisionary

Passengers counting in car using opencv

2k

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2

answers

no

votes

2020-03-29 05:44:06 -0600 ComputerVisionary

[OSX] Can't find opencv_createsamples & opencv_traincascade

502

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1

answer

no

votes

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

Cannot detect cars

15k

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2

answers

no

votes

2020-03-29 05:55:55 -0600 ComputerVisionary

traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)

traincascade

1k

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1

answer

no

votes

2020-03-29 06:05:47 -0600 ComputerVisionary

how to solve problem of low fps in OpenCV

403

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1

answer

no

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2020-03-29 06:08:41 -0600 ComputerVisionary

Training Haar cascades for face detection..

4k

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3

answers

no

votes

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?

289

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no

answers

no

votes

2020-03-29 06:36:03 -0600 Aquas

Inverse Matrix from a Decomposehomography [closed]

447

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no

answers

no

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2020-03-29 08:24:30 -0600 StressedOutBox

Opencv JS - extracting skin tones

opencvjs

4k

views

2

answers

6

votes

2020-03-29 10:31:54 -0600 ComputerVisionary

Missing HOG Cascade in Ver 3

HOG

259

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no

answers

no

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2020-03-29 13:14:18 -0600 Defloyd

Incorrect image from RGBA data [closed]

135

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no

answers

no

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2020-03-29 21:11:36 -0600 redhwan

Algorithm recommendation for image texture

309

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1

answer

no

votes

2020-03-30 03:46:09 -0600 berak

Turn HFS result into Contours

3k

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1

answer

no

votes

2020-03-30 08:23:37 -0600 berak

i don't find C:\projects\opencv-python\opencv\modules\highgui\src\window.cpp

622

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no

answers

no

votes

2020-03-30 08:54:27 -0600 4ndre

Fisheye un-distort on Android

477

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no

answers

no

votes

2020-03-30 10:15:02 -0600 dernanmi34

OpenCV forward() inference size is different between python and c++

dnn.forward

248

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1

answer

no

votes

2020-03-30 19:48:08 -0600 anitarentz

I need help to install openCV

opencv#c++#Install

966

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no

answers

no

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2020-03-31 03:32:13 -0600 lingfan

different results on Android platform while using Imgcodecs.imread() and Utils.BitmapToMat()

1k

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no

answers

no

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2020-03-31 04:36:07 -0600 snehal

Change Image opacity

c++
opencv

418

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1

answer

no

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2020-03-31 09:46:21 -0600 berak

OpenCV VideoCapture Android

android#opencv

280

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no

answers

no

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2020-03-31 09:55:23 -0600 crusaderxx

Detect specific parts of car - painted area

carDetection

3k

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no

answers

no

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2020-03-31 11:07:09 -0600 wwwzhuanli

fps is not right when i save video from camera

camera

3k

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no

answers

no

votes

2020-03-31 12:18:09 -0600 laurent

Count cells on image using python and OpenCV [closed]

1k

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no

answers

no

votes

2020-03-31 16:25:07 -0600 noshky

29,830 questions

opencv_traincascade.exe available somewhere?

peak in false positives for detectMultiscale

Haar Cascade Classifier

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

How to tracking multiple vehicle (e.g car and motorcycle) using haar cascade classifier?

OpenCV Python No module named 'cv2'

Passengers counting in car using opencv

[OSX] Can't find opencv_createsamples & opencv_traincascade

Cannot detect cars

traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)

how to solve problem of low fps in OpenCV

Training Haar cascades for face detection..

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

Inverse Matrix from a Decomposehomography [closed]

Opencv JS - extracting skin tones

Missing HOG Cascade in Ver 3

Incorrect image from RGBA data [closed]

Algorithm recommendation for image texture

Turn HFS result into Contours

i don't find C:\projects\opencv-python\opencv\modules\highgui\src\window.cpp

Fisheye un-distort on Android

OpenCV forward() inference size is different between python and c++

I need help to install openCV

different results on Android platform while using Imgcodecs.imread() and Utils.BitmapToMat()

Change Image opacity

OpenCV VideoCapture Android

Detect specific parts of car - painted area

fps is not right when i save video from camera

Count cells on image using python and OpenCV [closed]

PnP pose estimation using undistorted images?

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