Questions - OpenCV Q&A Forum

185

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2017-01-25 19:43:43 -0600 Jason - Like Imaging

data format for using ML

616

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2020-04-03 05:52:54 -0600 simonsk1990

Why its necessary to have cv2.waitKey() & 0xff to run video

cv2.imshow

945

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2019-04-29 23:33:16 -0600 ematlack

Visual Studio 2019 & OpenCV 4.1

6k

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answers

1

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2015-02-24 01:03:16 -0600 seidju

Open mp4 with libVLC and OpenCV C++

122

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2018-09-08 01:20:16 -0600 Roshni Amber

Some General queries to Save an Image after resizing and best way to read the image so that it takes lowest memory.

opencv#python#Image

141

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answers

1

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2018-02-16 09:07:23 -0600 David Edelsohn

How do I contribute a Power8 system to the build farm

buildbot

392

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2016-12-02 07:19:17 -0600 Nbb

Error with DNN

deep-learning

82

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2015-10-26 14:34:34 -0600 Valencia89

I can't seem to detect which colour LED turned on

androidopencvLED

154

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2017-09-18 06:05:28 -0600 Gensoukyou1337

Is it possible to do gender and age recognition using template matching?

matchTemplate

930

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answers

1

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2016-07-16 08:44:09 -0600 AAkash

Opencv 3.1 build error

293

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2017-04-30 10:41:32 -0600 Eldar

Suddenly unable to use OpenCV

174

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2019-02-20 17:56:49 -0600 franzkromer

Garbage from stereo calibration

615

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2016-10-25 21:08:27 -0600 Balaji R

How to access pixels using pixel index in Mat::forEach?

forEach

740

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2017-04-17 19:16:54 -0600 Luis Oscar

Perspective transformation without camera intrinsic/extrinsic matrix?

perspectiveTransform

183

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2017-11-06 07:34:58 -0600 Mr.Cypress

Cannot set video size(solution)

374

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2018-04-16 01:25:47 -0600 Kira

Designing single producer and multiple consumer( Threading)

181

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2015-05-15 16:27:49 -0600 almohandis2014

how to do video camparison in content between 2 videos?

Video

971

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2016-04-16 16:22:00 -0600 Tetragramm

Is it possible to compare and match the keypoints and descriptors of an image (that we have already calculated) with a video that is running in the real time?

303

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2014-09-08 04:43:48 -0600 josch

Image from gpu to display

134

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2019-05-03 03:34:44 -0600 apedro79

How to fix shift in y-direction of mouse position

105

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2018-08-23 02:32:56 -0600 stav bodik

Execution time calling to goodFeaturesToTrack(...) are not stable.

434

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2020-06-22 02:41:14 -0600 zeekit

OpenCV holds the memory longer than it is needed

2k

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1

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2016-05-17 06:32:23 -0600 dmen

Faster than simple blob detector?

blob-detection

318

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2019-07-10 09:59:52 -0600 sergeisoly

After convertion from keras to tensorflow pb model do not read by dnn::readNet.How it can be solved?

189

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2014-08-21 06:20:20 -0600 Jesus

Ipcamera serve to a multiple viewers

ipcamera

124

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no

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2018-02-24 04:08:28 -0600 [email protected]

How to detect and capture an image automatically when person is in front of the camera?

openvc
c++

333

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2014-05-13 05:02:23 -0600 aurelien

how to add .cu file to OPENCV source without obtain linked error

296

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2015-07-06 17:24:57 -0600 shayankh

How to port Desktop trained SVM model to OpenCV4Android?

deleted

183

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no

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2014-12-29 05:49:19 -0600 Van

Hello, I have downloaded opencv-3.0.0-beta.exe and this has failed to open.

1k

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no

answers

no

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2015-07-09 08:47:05 -0600 berak

Unable to compile program due to dependencies

FaceRecognizer

12,357 questions

data format for using ML

Why its necessary to have cv2.waitKey() & 0xff to run video

Visual Studio 2019 & OpenCV 4.1

Open mp4 with libVLC and OpenCV C++

Some General queries to Save an Image after resizing and best way to read the image so that it takes lowest memory.

How do I contribute a Power8 system to the build farm

Error with DNN

I can't seem to detect which colour LED turned on

Is it possible to do gender and age recognition using template matching?

Opencv 3.1 build error

Suddenly unable to use OpenCV

Garbage from stereo calibration

How to access pixels using pixel index in Mat::forEach?

Perspective transformation without camera intrinsic/extrinsic matrix?

Cannot set video size(solution)

Designing single producer and multiple consumer( Threading)

how to do video camparison in content between 2 videos?

Is it possible to compare and match the keypoints and descriptors of an image (that we have already calculated) with a video that is running in the real time?

Image from gpu to display

How to fix shift in y-direction of mouse position

Execution time calling to goodFeaturesToTrack(...) are not stable.

OpenCV holds the memory longer than it is needed

Faster than simple blob detector?

After convertion from keras to tensorflow pb model do not read by dnn::readNet.How it can be solved?

Ipcamera serve to a multiple viewers

How to detect and capture an image automatically when person is in front of the camera?

how to add .cu file to OPENCV source without obtain linked error

How to port Desktop trained SVM model to OpenCV4Android?

Hello, I have downloaded opencv-3.0.0-beta.exe and this has failed to open.

Unable to compile program due to dependencies

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