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12,357 questions
Tagged
307
views
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answers
no
votes
2015-12-30 19:05:09 -0600
xernobyl
Where's calcOpticalFlowSF in OpenCV 3.1 (Windows)?
3.1
ccppheader
calcOpticalFlowSF
1k
views
no
answers
no
votes
2017-02-09 11:07:13 -0600
ivj94
Display video from a drone FPV camera
drone
arduino
fpv
camera
3k
views
no
answers
no
votes
2018-03-26 11:21:38 -0600
VivianTio
How to do multiple template matching with multiple objects by opencv Python.
opencv
python
image-processing
image-recognition
457
views
no
answers
no
votes
2013-11-27 11:57:35 -0600
cdsboy
Image Capture from Macbook Webcam on OS X 10.8?
python
OSX
webcam
1k
views
no
answers
no
votes
2013-09-27 15:47:59 -0600
sohaib
Detect markers on a face and find their coordinates
c++
markerDetection
623
views
no
answers
no
votes
2020-01-30 03:15:25 -0600
Mica
How to maintain the aspect ratio of the destination image in perspective transformation?
pythonopencv
460
views
no
answers
2
votes
2015-12-23 08:38:37 -0600
Humam Helfawi
OpenCV and standard containers in C++ 11
c++11
750
views
no
answers
no
votes
2014-12-25 14:19:04 -0600
Graziano
Open rtsp remote stream c++
RTSP#Error
8k
views
no
answers
no
votes
2016-10-09 11:37:05 -0600
motiur_uw
BFMatcher match giving error
SURF
bfmatcher
1k
views
no
answers
no
votes
2019-07-24 06:33:25 -0600
supra56
On downloading opencv 3.4.0 i got an error
install
error
1k
views
no
answers
no
votes
2016-01-31 13:02:10 -0600
azdoud.y
my question is about GPU modules and opencv, is it possible to use this module without a nvidia card, and if yes, could you tell me how ?
gpu
modules
132
views
no
answers
no
votes
2020-06-26 06:33:28 -0600
supra56
Att: moderator
Attention
174
views
no
answers
no
votes
2015-06-22 11:00:37 -0600
hayley
Difficulty interfacing ffmpeg on OpenCV on Win64
ffmpeg
opencv
160
views
no
answers
no
votes
2016-02-07 14:36:57 -0600
pavan543
Need to find intersections in an image
Pattern_recognition
detect
1k
views
no
answers
1
vote
2018-11-04 11:18:46 -0600
George James
Opencv Better Way to find contours for lighter text
opencv
python
1k
views
no
answers
no
votes
2018-01-10 09:22:25 -0600
zuliani
How to use aruco in python?
python
windows
587
views
no
answers
no
votes
2017-10-27 17:46:39 -0600
Vict0r
Problem opening FLV file
read
flv
flash
problem
edges
660
views
no
answers
no
votes
2016-06-08 15:25:09 -0600
kinigit1969
VideoWriter MJPG AVIs Do Not Play in Windows Media Player
videowriter
mjpg
880
views
no
answers
no
votes
2014-05-20 09:38:43 -0600
Hubi
VideoCapture uEye
deleted
46k
views
no
answers
no
votes
2016-01-11 06:35:26 -0600
berak
Time Consuming by cvEigenDecomposite
opencv
548
views
no
answers
no
votes
2019-12-10 12:04:53 -0600
sameh4
How to rectify an image based to the intrinsics of another camera
Rectification
737
views
no
answers
no
votes
2020-08-05 11:54:47 -0600
2ros0
python cv2 calls from c++
python
475
views
no
answers
no
votes
2017-09-11 08:36:55 -0600
Pawan
Why does cuda::VideoCapture consumes more memory than videocapture
c++
opencv
Video
gpu
CUDA
memory
1k
views
no
answers
no
votes
2020-05-20 00:48:27 -0600
YashRunwal
Extracting Curved Contours
python
67
views
no
answers
no
votes
2018-02-28 02:56:20 -0600
abd
VS2015 Can't open opencv_calib3d331d.lib
Linking_error
148
views
no
answers
no
votes
2019-08-21 23:26:13 -0600
Hongs
i want to delete opencv3.4.0 and change to 4.1.0
install
538
views
no
answers
1
vote
2016-11-14 00:52:23 -0600
samueltin1018
How to use OpenCV / Tesseract to recognise Text on a poster images
OCR
tesseract
Tesseract-OCR
492
views
no
answers
no
votes
2019-11-25 06:28:55 -0600
JoseAFern
cv::ml::rtrees oob error bug???
oob
error
ml
bug
398
views
no
answers
no
votes
2020-03-19 06:35:23 -0600
berak
Enable flash camera
android
opencv
197
views
no
answers
1
vote
2015-02-18 06:32:02 -0600
Jaykob
Android and OpenCV 3.0
android
opencv-3.0.0
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