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31,814 questions
Tagged
4
views
no
answers
no
votes
2019-11-14 05:03:48 -0500
Max Herrmann
Is there a 1-1 correspondence between HALCON and OpenCV calibration parameters?
halcon
calibration
stereo-calibration
intrinsics
13
views
no
answers
-1
votes
2019-11-14 01:01:49 -0500
MHZ
how to crop these areas from image ??
opencv
python
16
views
no
answers
no
votes
2019-11-13 22:01:41 -0500
patrick129
Change camera resolution in C++?
c++
opencv
9
views
no
answers
no
votes
2019-11-13 21:19:49 -0500
amarsaikhan
OpenCV 4.1.2 cannot load .so library in android
android
opencv
9
views
no
answers
no
votes
2019-11-13 14:12:18 -0500
cpp_opencv
DNN symbol lookup error
dnn
lookup
Linking
symbol
compile
13
views
no
answers
no
votes
2019-11-13 12:28:47 -0500
trolstover
libopencv_core.so.4.1 not found?
c++#opencv
40
views
no
answers
no
votes
2019-11-13 10:13:20 -0500
cv_new
A problem about building OpenCV4
opencv_contrib
61
views
no
answers
no
votes
2019-11-13 07:03:50 -0500
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
6k
views
1
answer
1
vote
2019-11-13 06:55:07 -0500
bot1131357
CV_FOURCC was not declared in this scope
3.0.0
32
views
2
answers
no
votes
2019-11-13 06:25:47 -0500
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
20
views
1
answer
no
votes
2019-11-13 03:16:05 -0500
berak
error: use of undeclared identifier 'cv'
Local
local-binary-pattern
18
views
no
answers
no
votes
2019-11-13 02:29:42 -0500
kbarni
Hello, I am begginer with opencv c++ i have old code written in opencv 2 i want to change it .how can i change this cvConvert(Iplimage1, iplimage2); into new opencv c++ api.
IplImage
CvMat
c++opencv
15
views
no
answers
no
votes
2019-11-13 02:27:23 -0500
gpcbitnik
failed to load model with readNetFromModelOptimizer [closed]
opencv
openvino
dnn
10
views
no
answers
no
votes
2019-11-13 02:05:28 -0500
given001
ImportError:python2.7/dist-packages/RPIO-2.0: undefined symbol: makedev [closed]
RPIO
python
opencv
19
views
1
answer
no
votes
2019-11-13 01:57:36 -0500
berak
Error while running Image stitching tutorial [closed]
c++opencvstitching
imagestitching
ubuntu
namespace
17
views
2
answers
no
votes
2019-11-13 01:36:22 -0500
berak
undefined reference to imread
c++#opencv
24
views
no
answers
no
votes
2019-11-13 00:43:38 -0500
bot1131357
Cannot open MJPEG stream (ESP32 Cam)
c++
mjpeg
streaming
16
views
no
answers
no
votes
2019-11-12 22:07:20 -0500
jlok
How do you properly track contours?
java
tracking
mosse
tracker
6
views
no
answers
no
votes
2019-11-12 15:37:51 -0500
tom.isaacson@teknique.com
What is a good result from stereo_calib?
stereo_calib
stereo_match
stereo-calibration
13
views
no
answers
no
votes
2019-11-12 12:03:58 -0500
Vizer
Why does cv::VideoWriter close with corrupt avi indices?
CaptureVideo
videofile
CreateVideoWriter
14
views
1
answer
no
votes
2019-11-12 12:00:52 -0500
dhirwinjr
Issue using OpenCV 4.1.1 and Tracking API in Java
opencv
java
tracking_api
25
views
no
answers
no
votes
2019-11-12 11:51:53 -0500
postlude
Identifying and tracking drinks bottles in OpenCV *without* machine learning
objectdetection
objecttracking
16
views
no
answers
no
votes
2019-11-12 11:37:28 -0500
AdjustedStorm
Differences between Include Dirst - Compiled x Installed
includes
cmake
12
views
no
answers
no
votes
2019-11-12 09:24:30 -0500
lucacarone
ReprojectImageTo3D OBJ file
reprojectImageTo3D
stereo
stereo-calibration
DisparityMap
3d-image
27
views
1
answer
no
votes
2019-11-12 07:07:31 -0500
berak
Check camera activity
opencv
camera
on
Off
29
views
no
answers
no
votes
2019-11-12 06:10:07 -0500
Majd
How can i detect trees in Aerial Images?
python
14k
views
2
answers
-2
votes
2019-11-12 06:02:11 -0500
Tarviha
anyone know how to solve this error??
noob
CheckDataANDProcess
22
views
no
answers
no
votes
2019-11-12 05:17:53 -0500
AlexC
Which is the result of the function fitline() ?
linefit
uchar
17
views
no
answers
no
votes
2019-11-12 03:59:20 -0500
atagolee
how to distinguish "I" and "l" in image
characters
2d-image
21
views
no
answers
-1
votes
2019-11-11 22:35:51 -0500
bisu_on@163.com
Detecting Video Stuttering
motion
detection
1
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