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29,830 questions
Tagged
7k
views
no
answers
no
votes
2019-05-31 08:02:10 -0600
supra56
Do different png compression rates result in different images?
imwrite
compression
PNG_COMPRESSION
929
views
2
answers
no
votes
2019-08-17 07:44:53 -0600
Eduardo
Which are color blind safe palettes?
a11y
accessibility
Color
colormap
map
232
views
1
answer
no
votes
2019-05-31 08:00:10 -0600
supra56
how to solve this opencv-program
opencv
python
290
views
1
answer
no
votes
2019-06-04 08:12:55 -0600
Chris
Horizontal projection of area between 2 circles
python
237
views
no
answers
no
votes
2019-05-30 08:11:11 -0600
freekoy
opencv.js how to use opengl or opencl
OpenCV.js
opengl
opencl
759
views
no
answers
no
votes
2019-05-30 06:37:06 -0600
mohitdubey
how to detect rectangle opencv js
cvRectangle
788
views
no
answers
no
votes
2019-05-30 05:08:31 -0600
mirhanu
Opencv C++ compilation error anonymous namespace ::hlineResize
libopencv_imgproc.so
c++
compile
anonymous
namespace
464
views
1
answer
no
votes
2019-05-30 04:53:35 -0600
zyuwang
after build opencv with -DBUILD_SHARED_LIBS=OFF, I still need external libraries to run apps with opencv.
build
environmental
external
324
views
no
answers
no
votes
2019-05-30 02:44:54 -0600
LBerger
How to calculate the actual length of the black portion in image attached after getting actual contour of that. [closed]
perspective
laser
camera
1k
views
no
answers
no
votes
2019-05-29 18:21:25 -0600
Tetragramm
Blob Detector Not working when it should on obvious blobs, makes no sense
blob-detection
HSV
opencvpython
362
views
1
answer
no
votes
2019-06-01 07:45:17 -0600
supra56
I have trouble in finding the circular grid using the function cv.findCirclesGrid
findCirclesGrid
5k
views
1
answer
1
vote
2019-05-29 13:32:05 -0600
berak
Error Linking static libraries
Linking_error
901
views
1
answer
no
votes
2019-06-03 08:53:17 -0600
Kshitij Sharma
OpencV compilation fails with include <Eigen/Core> error [closed]
compilation-error
916
views
1
answer
no
votes
2019-05-29 06:12:03 -0600
jdrouet
OpenCV wasm not building
webassembly
1k
views
no
answers
no
votes
2019-05-29 04:51:03 -0600
mickael
findCirclesGrid troubles [closed]
findCirclesGrid
calibration
blobs
12k
views
1
answer
no
votes
2019-05-29 07:06:51 -0600
Lucy8
Detect when the imshow window is closed using X by user
cv2.imshow
9k
views
2
answers
no
votes
2020-06-09 07:06:20 -0600
supra56
putText is displaying text in wrong color
putText
620
views
1
answer
no
votes
2019-05-29 05:01:46 -0600
berak
How to build OpenCV 4.1.0 on Ubuntu 18.10
4.1.0
ubuntu
build
from-source
150
views
no
answers
1
vote
2019-05-28 13:22:43 -0600
lxiscs
Image transform/warping for ellipsoidal reflector
image-warping
augmentedReality
image-processing
1k
views
1
answer
no
votes
2019-05-30 10:59:52 -0600
johnnyrobot
Adding a QR Code to an image?
qrcode
466
views
1
answer
no
votes
2019-05-28 08:53:16 -0600
berak
Can not find cv_cpu_config.h file?
cv_cpu_config.h
156
views
1
answer
no
votes
2019-05-28 06:52:33 -0600
berak
How to get xpos and ypos value using FindContours
android
kotlin
516
views
no
answers
no
votes
2019-05-28 03:40:00 -0600
levinpqr
VideoWriter output video is not playable
opencv
videowriter
160
views
no
answers
no
votes
2019-05-27 18:33:00 -0600
procrastinator
tracking points
opencv
python
596
views
no
answers
no
votes
2019-05-27 11:36:49 -0600
vchill
Is there any function to create cuda context in opencv similar to what cuCtxCreate does from cuda library?
CUDA10.0
opencv
c++
edges
636
views
no
answers
no
votes
2019-05-27 10:35:29 -0600
epinnock
Android DNN tutorial
android
dnn
2k
views
1
answer
no
votes
2019-05-28 19:16:33 -0600
Tetragramm
one point (u,v) to actual (x,y) w.r.t camera frame?
c++
opencv
camera
circle
80
views
no
answers
-1
votes
2019-05-27 06:19:37 -0600
Anjali Singhal
I am trying to compare Modal posture to my posture
Swift
3d-image
iosopencv
413
views
no
answers
2
votes
2019-05-27 03:39:49 -0600
Quizzy5889
computeECC returning strange values
python#ecc#opencv
3k
views
2
answers
no
votes
2019-05-27 07:49:58 -0600
supra56
SIFT detection with opencv+python
opencv#python#SIFT
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