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
2k
views
1
answer
no
votes
2020-07-24 03:48:27 -0600
berak
Find first non-black pixel
python
219
views
1
answer
no
votes
2020-07-24 09:46:05 -0600
kbarni
Will pay for libopencv_java.so v2.4.9 - arm64-v8a
libopencv_java.so
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
937
views
no
answers
1
vote
2020-07-24 10:31:57 -0600
Sfeeeen
Is there a better approach to stitch images if they are linearly spaced
stitching
stitcher
6k
views
3
answers
1
vote
2020-07-24 10:46:51 -0600
Dail
ORB keypoints distribution over an image
ORB
keypoint-matching
1k
views
1
answer
7
votes
2020-07-24 10:52:03 -0600
Dail
GridAdaptedFeatureDetector missing in OpenCV 3.0??
feature-extraction
289
views
no
answers
-3
votes
2020-07-25 03:38:21 -0600
HardTracker
Why you use chessboard? [closed]
calibration
tracking
rectangle
967
views
1
answer
no
votes
2020-07-25 04:00:10 -0600
berak
Key Frame in video
python#open#video#
243
views
no
answers
-1
votes
2020-07-25 07:37:49 -0600
SezerD
Finding Perpendicular Speed of a Ball [closed]
balltracking
speed
476
views
no
answers
no
votes
2020-07-26 10:42:25 -0600
usuf
how to convert xy coordinates to Gcode [closed]
opencv#nodejs
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
76k
views
2
answers
no
votes
2020-07-26 21:21:53 -0600
chinachin
Download haarcascade_frontalface_default.xml
haarcascades
322
views
1
answer
no
votes
2020-07-27 02:33:01 -0600
berak
how to group clusters?
cluster
1k
views
1
answer
1
vote
2020-07-27 04:56:28 -0600
berak
NMSBoxes output with top_k parameter
nms
top_k
python
object-detection
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
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++
2k
views
1
answer
2
votes
2020-07-27 10:04:43 -0600
kbarni
Block until window closed
waitkey
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
2020-07-27 13:22:35 -0600
GarhwalRifles
c++ dnn text detection cpp sample with https://github.com/MaybeShewill-CV/CRNN_Tensorflow
c++#dnn#opencv
271
views
no
answers
no
votes
2020-07-27 18:08:39 -0600
mdaccrim97
opencv_traincascade keeps core dumping [closed]
traincascade
cascade
customClassifier
825
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
923
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
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
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
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
469
views
no
answers
no
votes
2020-07-29 02:58:11 -0600
pranavg_1111
Object Detection and Avoidance:Drone [closed]
drone
objectdetection
obstacleavoidance
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
...
971
972
973
974
975
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×3
python
×3
calibration
×2
opencv
×2
3dreconstruction
×1
4.4.0
×1
aarch64
×1
balltracking
×1
birds-eyeview
×1
cascade
×1
c++#dnn#opencv
×1
cluster
×1
cmake
×1
compare
×1
comparison
×1
c++#opencv
×1
cross-compilation
×1
cross-compile
×1
CUDA
×1
customClassifier
×1
cvWarpPerspective
×1
dft
×1
disparity
×1
drone
×1
epipolar-geometry
×1
feature-extraction
×1
Feature_Matching
×1
gpu
×1
haarcascades
×1
image_recognition
×1
image-recognition
×1
keypoint-matching
×1
libopencv_java.so
×1
merge
×1
nms
×1
objectdetection
×1
object-detection
×1
obstacleavoidance
×1
opencv3.2
×1
opencv_contrib
×1
opencv#nodejs
×1
ORB
×1
perspective
×1
Pixels
×1
pose-estimation
×1
python#open#video#
×1
rectangle
×1
robot
×1
ros
×1
screenshot
×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
×
