First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date ▲
activity
answers
votes
29,830 questions
Tagged
439
views
1
answer
no
votes
2020-07-24 10:08:18 -0600
berak
How to Change the videocapture property in opencv c++?
videocapture
c++
setmethod
2k
views
1
answer
2
votes
2020-07-27 10:04:43 -0600
kbarni
Block until window closed
waitkey
1k
views
1
answer
no
votes
2020-08-13 10:24:49 -0600
ConnorM
OpenCV Noisy Disparity Map from Stereo Setup
calibration
stereo-calibration
DisparityMap
c++
966
views
1
answer
no
votes
2020-07-25 04:00:10 -0600
berak
Key Frame in video
python#open#video#
289
views
no
answers
-3
votes
2020-07-25 03:38:21 -0600
HardTracker
Why you use chessboard? [closed]
calibration
tracking
rectangle
243
views
no
answers
-1
votes
2020-07-25 07:37:49 -0600
SezerD
Finding Perpendicular Speed of a Ball [closed]
balltracking
speed
76k
views
2
answers
no
votes
2020-07-26 21:21:53 -0600
chinachin
Download haarcascade_frontalface_default.xml
haarcascades
785
views
2
answers
1
vote
2020-07-27 10:27:24 -0600
kbarni
Join floating white pixels to the nearest island without closing morph?
merge
Pixels
1k
views
no
answers
no
votes
2020-08-07 02:35:14 -0600
bgengine
compare two pictures of color
Color
comparison
476
views
no
answers
no
votes
2020-07-26 10:42:25 -0600
usuf
how to convert xy coordinates to Gcode [closed]
opencv#nodejs
2k
views
1
answer
1
vote
2020-08-05 22:47:39 -0600
supra56
c++ imread filepath in windows
imread
imgpath
589
views
no
answers
no
votes
2020-07-26 17:23:22 -0600
Epiphron
Comparing webpage screenshots to identify changes? [closed]
website
webpage
screenshot
screenshots
comparison
compare
583
views
1
answer
no
votes
2020-07-27 09:25:05 -0600
berak
Help updating 10 lines of deprecated OpenCV code in C++ [closed]
c++#opencv
c++
322
views
1
answer
no
votes
2020-07-27 02:33:01 -0600
berak
how to group clusters?
cluster
824
views
no
answers
no
votes
2020-07-27 18:11:11 -0600
Brendon Costa
What options exist in OpenCV to improve the thresholding algorithm used for contour detection of fish arches on sonar images?
Thresholding
9k
views
1
answer
no
votes
2020-07-27 08:14:33 -0600
kbarni
Apply getPerspectiveTransform and warpPerspective for bird-eye view (Python).
birds-eyeview
cvWarpPerspective
perspective
164
views
1
answer
no
votes
2020-07-30 03:54:46 -0600
Ulyss
why seam_finder gc_color result is changing over iteration?
seam_finder
GC_COLOR
maxflow
1k
views
no
answers
no
votes
2020-07-27 13:22:35 -0600
GarhwalRifles
c++ dnn text detection cpp sample with https://github.com/MaybeShewill-CV/CRNN_Tensorflow
c++#dnn#opencv
5k
views
no
answers
no
votes
2020-08-05 23:24:32 -0600
supra56
global /io/opencv/modules/videoio/src/cap_v4l.cpp (880) open VIDEOIO(V4L2): can't find camera device
ubuntu18.04
camera
imagerecognition
271
views
no
answers
no
votes
2020-07-27 18:08:39 -0600
mdaccrim97
opencv_traincascade keeps core dumping [closed]
traincascade
cascade
customClassifier
793
views
no
answers
no
votes
2020-07-29 00:36:08 -0600
jianyn
The result obtained by cuda::dft is different from cv::dft
dft
CUDA
gpu
4k
views
1
answer
no
votes
2020-07-28 06:51:26 -0600
berak
TypeError: Expected Ptr<cv::UMat> for argument 'src'
opencv
python
image-recognition
image_recognition
921
views
no
answers
no
votes
2020-07-28 05:11:59 -0600
teshansj
Crosscompile OpenCV 3.2 CMAKE_MAKE_PROGRAM is not set
opencv3.2
cross-compile
cross-compilation
aarch64
cmake
432
views
no
answers
no
votes
2020-07-28 09:04:27 -0600
askl1278
Connection between pose estimation, epipolar geometry and depth map
pose-estimation
3dreconstruction
epipolar-geometry
480
views
2
answers
no
votes
2020-07-28 11:39:55 -0600
berak
Need explanation for the following! thanks in advance.
c++
opencv
visual
studio
469
views
no
answers
no
votes
2020-07-29 02:58:11 -0600
pranavg_1111
Object Detection and Avoidance:Drone [closed]
drone
objectdetection
obstacleavoidance
3k
views
1
answer
no
votes
2020-07-29 10:16:52 -0600
o.k
Finding corner points for perspective transform without clear landmarks.
cvWarpPerspective
perspectiveTransform
trapezoid
1k
views
no
answers
no
votes
2020-07-29 06:12:00 -0600
DSaikrishnareddy
process has died,terminate called after throwing an instance of 'std::runtime_error' ,what(): Unsupported type of detector SURF
ros
robot
257
views
no
answers
no
votes
2020-07-29 09:10:21 -0600
Adamis
LNK1104 opencv_gapi440d.lib is missing
Feature_Matching
opencv_contrib
4.4.0
409
views
no
answers
no
votes
2020-07-29 09:16:09 -0600
ConnorM
Disparity Map vs. Triangulating Points
calibration
stereo
triangulation
disparity
« previous
1
...
973
974
975
976
977
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×4
calibration
×3
comparison
×2
cvWarpPerspective
×2
opencv
×2
3dreconstruction
×1
4.4.0
×1
aarch64
×1
balltracking
×1
birds-eyeview
×1
camera
×1
cascade
×1
c++#dnn#opencv
×1
cluster
×1
cmake
×1
Color
×1
compare
×1
c++#opencv
×1
cross-compilation
×1
cross-compile
×1
CUDA
×1
customClassifier
×1
dft
×1
disparity
×1
DisparityMap
×1
drone
×1
epipolar-geometry
×1
Feature_Matching
×1
GC_COLOR
×1
gpu
×1
haarcascades
×1
imagerecognition
×1
image_recognition
×1
image-recognition
×1
imgpath
×1
imread
×1
maxflow
×1
merge
×1
objectdetection
×1
obstacleavoidance
×1
opencv3.2
×1
opencv_contrib
×1
opencv#nodejs
×1
perspective
×1
perspectiveTransform
×1
Pixels
×1
pose-estimation
×1
python
×1
python#open#video#
×1
rectangle
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×