Questions - OpenCV Q&A Forum

381

views

no

answers

no

votes

Nov 11 '0 tester

Can't save video

python

825

views

no

answers

-1

votes

Nov 10 '0 supra56

OpenCV Video Capture nonfunctional as class member (C++)

966

views

no

answers

no

votes

Nov 10 '0 regul

detecting blemish in skin

blemish

357

views

no

answers

no

votes

Nov 10 '0 mbechard

Python cuda_GpuMat and custom allocator

CUDA
gpumat

274

views

no

answers

no

votes

Nov 6 '0 RegisAG

How to change color of all non transparent pixels to black?

android

1k

views

no

answers

no

votes

Nov 6 '0 gino0717

can I use yolo v4 model in dnn in opencl?

dnn
opencl

412

views

no

answers

no

votes

Nov 6 '0 zxw2600

fail to calibrate fisheye camera

calibrateCamera

776

views

no

answers

no

votes

Nov 5 '0 vamshee

detect multiple qr code in the captured image using android SDK?

AndroidOpenCV

272

views

no

answers

-1

votes

Nov 5 '0 berak

Does OpenCV support react js?

reactjs

3k

views

no

answers

no

votes

Nov 5 '0 Crazy Sage

How to calibrate camera with opencv circles grid pattern?

565

views

no

answers

no

votes

Nov 4 '0 vdhers

C++ allocate and copy matrix take too much time

1k

views

no

answers

no

votes

Nov 4 '0 wilber1222

How to get raw data by OpenCV?

raw
image

386

views

no

answers

no

votes

Nov 3 '0 antithing

Opencv aruco::detectMarkers function crashes on AMD processors, runs fine on Intel.

150

views

no

answers

no

votes

Nov 3 '0 Hyderman

Display hierarchy lvl on contour.

hierarchy

724

views

no

answers

no

votes

Nov 3 '0 Sanju

How to enable Windows media foundation hardware acceleration on opencv.

1k

views

no

answers

no

votes

Nov 2 '0 moisu

Template Matching with Multiple Objects C++ Code

templateMatch

926

views

no

answers

1

vote

Nov 2 '0 amateurpirate

No effect from setting CAP_PROP_GAIN

camera
gain

1k

views

no

answers

no

votes

Nov 3 '0 supra56

Why pytesseract.image_to_data fails to recognize text?

10k

views

no

answers

no

votes

Nov 1 '0 slalomchip

Resolution Issues When Setting Video Capture Device

1k

views

no

answers

no

votes

Oct 31 '0 nairdap

Undefined references to tiff library

tiff
libtiff

597

views

no

answers

no

votes

Oct 31 '0 vanditha_07

How can I get this code working in case of video having colored background?

opencvpython

990

views

no

answers

no

votes

Oct 30 '0 YouNoNo

OpenCV cannot read from my VGA Webcam

opencv#window

570

views

no

answers

no

votes

Oct 30 '0 Ahmed

Spatial and temporal on depth image

c++

242

views

no

answers

no

votes

Oct 30 '0 DarioP

Letting highgui show pixel value in HLS colorspace

345

views

no

answers

no

votes

Oct 29 '0 emuemu

Consistently failing to compile openCV with RPi 3B+

918

views

no

answers

no

votes

Oct 29 '0 Franck

Opencv 4.5.0 / Android / how to implement a Wiener filter ?

Wiener

122

views

no

answers

no

votes

Oct 29 '0 Seungho Hyun

MS Visual Studio 2017 MFC, when using StereoBM not have information

460

views

no

answers

no

votes

Oct 29 '0 sreenija

form a possible rectangle

python

253

views

no

answers

no

votes

Oct 28 '0 sturkmen

Check image dissimilar areas using SIFT

SIFT

318

views

no

answers

-1

votes

Oct 28 '0 tahereh rasouli

12,357 questions

Can't save video

OpenCV Video Capture nonfunctional as class member (C++)

detecting blemish in skin

Python cuda_GpuMat and custom allocator

How to change color of all non transparent pixels to black?

can I use yolo v4 model in dnn in opencl?

fail to calibrate fisheye camera

detect multiple qr code in the captured image using android SDK?

Does OpenCV support react js?

How to calibrate camera with opencv circles grid pattern?

C++ allocate and copy matrix take too much time

How to get raw data by OpenCV?

Opencv aruco::detectMarkers function crashes on AMD processors, runs fine on Intel.

Display hierarchy lvl on contour.

How to enable Windows media foundation hardware acceleration on opencv.

Template Matching with Multiple Objects C++ Code

No effect from setting CAP_PROP_GAIN

Why pytesseract.image_to_data fails to recognize text?

Resolution Issues When Setting Video Capture Device

Undefined references to tiff library

How can I get this code working in case of video having colored background?

OpenCV cannot read from my VGA Webcam

Spatial and temporal on depth image

Letting highgui show pixel value in HLS colorspace

Consistently failing to compile openCV with RPi 3B+

Opencv 4.5.0 / Android / how to implement a Wiener filter ?

MS Visual Studio 2017 MFC, when using StereoBM not have information

form a possible rectangle

Check image dissimilar areas using SIFT

3d The amount of movement of two images

Links

Contributors

Tags