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29,830 questions
Tagged
107
views
no
answers
no
votes
2020-07-23 23:20:37 -0600
jayjt1
getting java.lang.UnsatisfiedLinkError in android project
unsatisfiedlinkerror
2k
views
1
answer
no
votes
2020-07-24 02:10:20 -0600
berak
How to save video using thread
python
cv2.VideoWriter
1k
views
1
answer
no
votes
2020-07-24 03:48:27 -0600
berak
Find first non-black pixel
python
164
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
373
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
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++
793
views
1
answer
no
votes
2020-07-25 04:00:10 -0600
berak
Key Frame in video
python#open#video#
66k
views
2
answers
no
votes
2020-07-26 21:21:53 -0600
chinachin
Download haarcascade_frontalface_default.xml
haarcascades
875
views
no
answers
no
votes
2020-08-07 02:35:14 -0600
bgengine
compare two pictures of color
Color
comparison
465
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
501
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++
278
views
1
answer
no
votes
2020-07-27 02:33:01 -0600
berak
how to group clusters?
cluster
569
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
8k
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
155
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
821
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
246
views
no
answers
no
votes
2020-07-27 18:08:39 -0600
mdaccrim97
opencv_traincascade keeps core dumping [closed]
traincascade
cascade
customClassifier
669
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
747
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
359
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
429
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
373
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
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
199
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
384
views
no
answers
no
votes
2020-07-29 09:16:09 -0600
ConnorM
Disparity Map vs. Triangulating Points
calibration
stereo
triangulation
disparity
116
views
no
answers
no
votes
2020-07-29 18:07:18 -0600
Shakleton
Can anyone confirm link to recommended install for 4.4 on Windows, Python?
install
opencv4.4
527
views
no
answers
no
votes
2020-07-30 06:44:28 -0600
Ulyss
how to read a YML vector in python
python
FileStorage
vector
1k
views
no
answers
no
votes
2020-07-30 06:03:48 -0600
berak
.set() is not working for brightness and exposure on Macbook
opencv4.1.2
python3
macbook
logitechbrio4K
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