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29,830 questions
Tagged
4k
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no
answers
no
votes
2019-11-13 12:28:47 -0600
trolstover
libopencv_core.so.4.1 not found?
c++#opencv
932
views
1
answer
no
votes
2019-11-16 21:37:19 -0600
nishant_elxsi
I tried to link FFMPEG with OpenCV,but I am getting unable to stop the video stream:inappropriate ioctl device error. I tried to install latest version of FFMPEG(4.2.1) and link it to OpenCV(3.4.3) installed.But I am getting the same error.
opencv
ffmpeg
drawcontour
2k
views
1
answer
no
votes
2019-11-13 03:16:05 -0600
berak
error: use of undeclared identifier 'cv'
Local
local-binary-pattern
960
views
no
answers
no
votes
2019-11-12 22:07:20 -0600
jlok
How do you properly track contours?
java
tracking
mosse
tracker
12k
views
2
answers
1
vote
2019-11-13 01:36:22 -0600
berak
undefined reference to imread
c++#opencv
851
views
no
answers
no
votes
2019-11-13 02:27:23 -0600
gpcbitnik
failed to load model with readNetFromModelOptimizer [closed]
opencv
openvino
dnn
183
views
no
answers
no
votes
2019-11-12 15:37:51 -0600
[email protected]
What is a good result from stereo_calib?
stereo_calib
stereo_match
stereo-calibration
16k
views
3
answers
no
votes
2019-11-13 06:25:47 -0600
supra56
How to fix error error: (-215:Assertion failed) size.width>0 && size.height>0 in function 'cv::imshow' when trying to capture a video stream?
opencv
python
765
views
1
answer
no
votes
2019-11-13 01:57:36 -0600
berak
Error while running Image stitching tutorial [closed]
c++opencvstitching
imagestitching
ubuntu
namespace
524
views
no
answers
no
votes
2019-11-12 12:03:58 -0600
Vizer
Why does cv::VideoWriter close with corrupt avi indices?
CaptureVideo
videofile
CreateVideoWriter
1k
views
1
answer
1
vote
2019-11-12 12:00:52 -0600
dhirwinjr
Issue using OpenCV 4.1.1 and Tracking API in Java
opencv
java
tracking_api
110
views
no
answers
no
votes
2019-11-12 11:37:28 -0600
AdjustedStorm
Differences between Include Dirst - Compiled x Installed
includes
cmake
358
views
no
answers
no
votes
2019-11-12 11:51:53 -0600
postlude
Identifying and tracking drinks bottles in OpenCV *without* machine learning
objectdetection
objecttracking
685
views
no
answers
no
votes
2019-11-12 09:24:30 -0600
lucacarone
ReprojectImageTo3D OBJ file
reprojectImageTo3D
stereo
stereo-calibration
DisparityMap
3d-image
313
views
1
answer
no
votes
2019-11-12 07:07:31 -0600
berak
Check camera activity
opencv
camera
on
Off
605
views
no
answers
no
votes
2019-11-26 03:54:25 -0600
Majd
How can i detect trees in Aerial Images?
python
423
views
no
answers
no
votes
2019-11-12 03:59:20 -0600
atagolee
how to distinguish "I" and "l" in image
characters
2d-image
335
views
no
answers
-1
votes
2019-11-11 22:35:51 -0600
[email protected]
Detecting Video Stuttering
motion
detection
8k
views
1
answer
1
vote
2020-07-13 20:41:02 -0600
Christos M.
samples.findfile for loading photos
windows
python
visualstudio
1k
views
1
answer
no
votes
2019-11-14 08:14:34 -0600
berak
How to copy a mat object to a integer 2D matrix in opencv java ?
java
779
views
1
answer
no
votes
2019-11-11 21:41:21 -0600
supra56
Segmentation fault from DetectorParameters[SOLVED]
aruco
charuco
1k
views
1
answer
no
votes
2019-11-11 07:34:27 -0600
berak
Use sift and surf in latest release (4.1.1) on Ubuntu 18.04?
SIFT
SURF
75
views
no
answers
no
votes
2019-11-11 05:54:05 -0600
czgdp1807
References for RgbdPlane
rgbd
1k
views
1
answer
no
votes
2019-11-11 05:13:18 -0600
berak
_queryDescriptors.type() == trainDescType [closed]
Mat
type
248
views
no
answers
no
votes
2019-11-11 03:32:02 -0600
r.andersson
Perspective transformation - Deriving formula for single Camera
imagetransformation
perspective
transformation
camera
885
views
1
answer
no
votes
2019-11-11 02:01:19 -0600
berak
Phash Algorithm in img_hash
android
java
phash
hash
img_hash
830
views
no
answers
no
votes
2019-11-10 21:12:39 -0600
andrewc
Detecting a fiducial/data matrix under variable lighting
contours
edgedetection
234
views
no
answers
no
votes
2019-11-10 19:18:02 -0600
Stéphane Charette
Can OpenCV use the same GPU as the OS desktop?
gpu
CUDA
linux
214
views
no
answers
no
votes
2019-11-10 18:53:52 -0600
Newbie_1
Multilevel otsu thresholding
python
2k
views
1
answer
1
vote
2019-11-10 15:46:05 -0600
sturkmen
How to make an array from a screen capture for avi for c++
capture
screen
videowriter
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