Questions - OpenCV Q&A Forum

300

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no

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no

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2016-02-10 06:19:12 -0600 jeanpat

import cv2 fails (opencv 3.1 build from source,linux)

623

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no

answers

1

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2015-01-28 18:46:54 -0600 mgb

UMat get values

240

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2013-11-24 22:09:43 -0600 Indra

train faces for opencv face recongizer

FaceRecognizer

814

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no

votes

2020-03-16 11:15:17 -0600 andriydinamic

Why VideoCapture.set() method is much slower when ran simultaneously with Tensorflow on single GPU?

291

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no

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2016-08-05 04:42:04 -0600 Param92

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

130

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no

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2018-12-07 03:55:33 -0600 Simontraww

Someone have already compiled Opencv (any version) with NEON ?

719

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answers

1

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2019-01-30 15:57:01 -0600 [email protected]

Wiener Filter OpenCV (Java)

899

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2017-01-12 22:16:44 -0600 chinesealex210

opencv3.2 dnn module problem

105

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no

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-1

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2017-01-10 01:37:04 -0600 iStar

OTHER IMAGES EXCEPT BUNNY ARE APPEARING AS TINY DOTS,HOW TO MAKE THEM VISIBLE

340

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2015-03-21 13:48:16 -0600 antithing

keypoints and index numbers

326

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no

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2013-07-16 08:09:07 -0600 StevenPuttemans

Java linker error when trying out tutorial

libopencv_java246.so

154

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no

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2014-02-17 14:07:49 -0600 cedric100

flag of United Kingdom of Great Britain and Northern Ireland

Moving pictures for a video game

1k

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2017-02-28 10:28:47 -0600 t24-white

Unknown Opencv Predict error (assertion Failed)

107

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no

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2014-06-24 04:02:50 -0600 TripleS

Is that possible to use a string as a name in opencv FileStorage

FileStorage

272

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no

answers

no

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2019-08-01 09:33:34 -0600 Zorni

error 2 while make-process (task: install OpenCV on Raspi 3b+ OS: Stretch)

installation

2k

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2018-06-19 01:48:23 -0600 berak

NamedWindow followed by imshow and waitkey opens several windows which prevent the program from closing normally

python

113

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2020-02-19 12:30:13 -0600 Nativate

Error using caffemodel Jupiter notebook

180

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no

answers

1

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2019-10-08 10:25:41 -0600 essamzaky

wrong result when Port code from OpenCV V2.3 into OpenCV 4.1.2

detectandcompute

1k

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no

answers

1

vote

2019-04-08 03:02:59 -0600 berak

Build error with Opencv with Inference Engine backend on raspberry

1k

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no

answers

1

vote

2015-06-01 11:34:59 -0600 nistar

How do contour "warpPerspective" and "warpAffine"

transformation

345

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no

answers

-1

votes

2017-03-03 12:30:57 -0600 Prototype

kmeans clustering convert code to python

79

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answers

no

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2018-04-03 18:32:44 -0600 moshel

rpi compilation flags and performance

139

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no

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2014-09-16 15:41:12 -0600 mayankgrd

python binding for 3.0.0-dev

174

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no

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2017-11-20 12:25:13 -0600 mateishungary

OpenCV HDR processing producing bad output on iOS

1k

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2015-12-27 11:46:33 -0600 ilandbt

getting image metadata

967

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no

answers

no

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2019-10-12 09:19:50 -0600 Szepy

Transform camera positon from one ArUco marker to another

227

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no

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no

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2014-03-17 09:25:09 -0600 grimace

Fisherfaces memory

400

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no

answers

no

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2020-02-26 07:06:20 -0600 supra56

Access camera via IP

python3

1k

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no

answers

no

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2012-12-14 06:18:59 -0600 mrgloom

difference between convolution and correlation?

272

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no

answers

no

votes

2014-07-28 12:15:06 -0600 nitishxp

12,357 questions

import cv2 fails (opencv 3.1 build from source,linux)

UMat get values

train faces for opencv face recongizer

Why VideoCapture.set() method is much slower when ran simultaneously with Tensorflow on single GPU?

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

Someone have already compiled Opencv (any version) with NEON ?

Wiener Filter OpenCV (Java)

opencv3.2 dnn module problem

OTHER IMAGES EXCEPT BUNNY ARE APPEARING AS TINY DOTS,HOW TO MAKE THEM VISIBLE

keypoints and index numbers

Java linker error when trying out tutorial

Moving pictures for a video game

Unknown Opencv Predict error (assertion Failed)

Is that possible to use a string as a name in opencv FileStorage

error 2 while make-process (task: install OpenCV on Raspi 3b+ OS: Stretch)

NamedWindow followed by imshow and waitkey opens several windows which prevent the program from closing normally

Error using caffemodel Jupiter notebook

wrong result when Port code from OpenCV V2.3 into OpenCV 4.1.2

Build error with Opencv with Inference Engine backend on raspberry

How do contour "warpPerspective" and "warpAffine"

kmeans clustering convert code to python

rpi compilation flags and performance

python binding for 3.0.0-dev

OpenCV HDR processing producing bad output on iOS

getting image metadata

Transform camera positon from one ArUco marker to another

Fisherfaces memory

Access camera via IP

difference between convolution and correlation?

how to start gesture programming in opencv

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