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12,357 questions
Tagged
501
views
no
answers
no
votes
2017-10-16 05:02:32 -0600
sturkmen
How to solve opencv videoCapture error
java
170
views
no
answers
no
votes
2020-02-10 07:58:52 -0600
siyuan
URL MD5 of opencv4.2.0
install
opencv_catkin
2k
views
no
answers
no
votes
2014-06-02 02:12:18 -0600
norzanbzura
How to measure the dimension of object with OpenCV?
#measure
#object
#opencv
261
views
no
answers
no
votes
2017-03-21 07:32:01 -0600
lovaj
Use all cv::Mat in std::vector and change their value efficiently
PCA
Mat
vector
126
views
no
answers
1
vote
2016-03-07 15:42:32 -0600
FernandoUnix
how draw this rectangle
Facedetection
rectangles
drawrectangle
Overlooked
607
views
no
answers
no
votes
2013-05-18 12:39:18 -0600
residentelvio
FourierTransform
fourier
Matlab
217
views
no
answers
no
votes
2018-02-11 21:49:33 -0600
Romanzo
Should OpenCVConfig.cmake be part of dev debian package?
cmake
debian
configuration
409
views
no
answers
no
votes
2014-02-09 09:31:55 -0600
AbdiRaisa
ARDrone 2.0
ARDrone2
678
views
no
answers
no
votes
2014-09-12 09:17:08 -0600
Metalzero2
Double installation of OpenCV 2.4.9
#installation
#2.4.9
nonfree
double
#ubuntu
#opencv
104
views
no
answers
no
votes
2018-10-19 02:37:27 -0600
Winne King
About CalibrateCamera() Why are the results different every time?
calibrationCamera
675
views
no
answers
1
vote
2013-08-14 11:11:41 -0600
mada
Storing feature information (keypoints, descriptors)
SURF
Keypoints
descriptors
gpu
348
views
no
answers
1
vote
2016-11-11 21:25:57 -0600
Alfred
how to get a better binary image from low quality image?
binarize
2d-image
findContours
denoise
threshold
554
views
no
answers
no
votes
2020-01-16 05:23:04 -0600
leejac354
Calculating distance of 2D point
solvePnP
1k
views
no
answers
no
votes
2014-05-20 01:41:27 -0600
wintersfury
OPENCV dev 3.0.0 "DownhillSimplex Method" OpenCV Error: Assertion failed
c++
OPENCV3.0.0.
solver
820
views
no
answers
no
votes
2018-01-23 14:39:10 -0600
calben
Brio Capture Settings on Windows
CaptureVideo
windows
webcam
c++
opencv
401
views
no
answers
no
votes
2018-10-09 04:56:05 -0600
Mikelle02
Unknown error code -220 on cv::ocl::attachContext
c++
opencv
android
187
views
no
answers
no
votes
2019-01-08 09:32:58 -0600
cjacquel
Face feature extraction
face
feature
80
views
no
answers
no
votes
2019-01-06 14:05:32 -0600
OpenCVNewUser
Stuck on tutorial
tutorials
277
views
no
answers
no
votes
2014-05-26 10:16:42 -0600
sohan
haar classifier lips Segmentation
#Haar
#Haar-like
#cvHaarCascadeClassi
#opencv
595
views
no
answers
no
votes
2019-07-12 08:59:03 -0600
the_phet
Python, when making a video it seems to ignore the set FPS
python
fps
Video
182
views
no
answers
no
votes
2019-05-13 09:28:30 -0600
javanoob42
Add 'extra modules' from OpenCV 4.1.0 to Java in Eclipse
java
modules
Eclipse
243
views
no
answers
no
votes
2015-10-20 08:46:07 -0600
Divya Vernekar
what are the steps to Install OpenCV-Python in Windows 7 32 bit
image
segmentation
algorithms
599
views
no
answers
no
votes
2018-12-06 01:37:16 -0600
berak
How to release the memory in cv::Mat
3.1.0
730
views
no
answers
no
votes
2015-01-28 10:30:21 -0600
next
undistortpoints :how to use
undistortpoints
calibration
1k
views
no
answers
no
votes
2015-02-17 17:28:42 -0600
margaridamfo.gomes
Problems writing multiple .avi files
avi
xvid
argv
videowriter
73
views
no
answers
no
votes
2018-12-10 01:29:06 -0600
SunXuan
All image pixel values become 205 after setting CAP_PROP_FRAME_WIDTH and CAP_PROP_FRAME_HEIGHT in OpenCV using webcam
c++#webcam
177
views
no
answers
no
votes
2017-07-30 08:06:49 -0600
jsxyhelu
a question from 《leanring OpenCV 3》about hist
hist
learning
opencv
197
views
no
answers
1
vote
2017-08-15 11:09:07 -0600
BenM
JPEG shrink-on-load feature in imread() ?
imread
jpeg
shrink-on-load
367
views
no
answers
1
vote
2018-07-07 17:15:15 -0600
Kevin Knox
Should I try to OCR shorthand
OCR
12k
views
no
answers
no
votes
2019-07-08 17:14:56 -0600
Lich
How to optimize frame grabbing from video stream in OpenCV?
videocapture
RaspberryPi
gstreamer
python
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