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32,293 questions
Tagged
14
views
no
answers
no
votes
2020-01-25 08:13:27 -0500
whale
Number of circles in region of interest
opencv
python
17
views
no
answers
no
votes
2020-01-25 03:31:26 -0500
HelloWorld
Very similar pictures, but descriptors vary greatly
ORB
descriptors
46
views
1
answer
no
votes
2020-01-24 20:55:23 -0500
supra56
[SOLVED]How to project points from undistort image to distort image?
cv2.projectPoints
fisheye
lens-distortion
38
views
1
answer
no
votes
2020-01-24 20:52:56 -0500
supra56
[SOLVED]use knnSearch, terminate called after throwing an instance of 'cvflann::anyimpl::bad_any_cast' [closed]
knnsearch
15
views
no
answers
no
votes
2020-01-24 14:20:35 -0500
hernancrespo
cv2.cvtColor causes to stop Python
python
pyqt5
opencv
20
views
no
answers
no
votes
2020-01-24 09:44:22 -0500
robertodaza
VideoCapture (0) does not work in mac Catalina. The program crashed
java
Eclipse
macos10.15.2
catalina
opencv3.4.5
videocapture
634
views
1
answer
no
votes
2020-01-24 08:37:12 -0500
decioschmitt
(-215:Assertion failed) m.dims >= 2 in function 'cv::Mat::Mat'
videocapture
java
Yolov3
17
views
1
answer
no
votes
2020-01-24 08:28:07 -0500
berak
How to set and get brightness of camera using PyQt
opencv
pyqt5
python
22
views
1
answer
no
votes
2020-01-24 06:53:03 -0500
HelloWorld
link to download openCV, other than SourceForge
download
opencv
not
sourceforge
15
views
no
answers
no
votes
2020-01-24 04:50:40 -0500
dineshlama
link opencv inc and lib in rpio
cmake
32
views
1
answer
1
vote
2020-01-24 02:51:19 -0500
ganesh-k13
How to trigger tests in misc/python/test
tests
beginner
3dcalib
11
views
no
answers
no
votes
2020-01-23 21:36:24 -0500
Matha
No rule to make target '/usr/local/lib/libopencv_dnn.so.4.2.0'
dnn
DisplayImage
28
views
no
answers
no
votes
2020-01-23 18:16:41 -0500
manedragon
Replace a range of colors with a specific color in Android with OpenCV
android
opencv
23
views
no
answers
no
votes
2020-01-23 07:22:01 -0500
ThomasRy
Different result between Python and Android
android
python
Imgproc.resize
cvResize
19
views
no
answers
2
votes
2020-01-23 06:30:47 -0500
TAldhous
Why are the Hu moments of the middle shape different to the others?
hu-moments
12
views
no
answers
no
votes
2020-01-23 05:20:51 -0500
Tanveer
How can I use ximgproc in spyder with python
ximgproc
26
views
1
answer
no
votes
2020-01-23 05:10:22 -0500
berak
opencv/cv.h not found
cv.h
orbslam2
buildopencv
25
views
2
answers
2
votes
2020-01-23 01:05:23 -0500
Lucy8
point inside rect
contour
drawing
51
views
1
answer
-1
votes
2020-01-22 23:06:57 -0500
Tetragramm
Unexpected Results at Subtracting Two Images
subtraction
custom
implementation
21
views
no
answers
-1
votes
2020-01-22 11:54:03 -0500
dineshlama
largest rectangle contour
contour
drawing
18
views
no
answers
no
votes
2020-01-22 11:18:04 -0500
Bensuperpc
How to copy vector of Mat and write video ?
c++#opencv
26
views
no
answers
no
votes
2020-01-22 10:00:37 -0500
Agustin
How to crop rectangles from a image with opencv
python
opencv
13
views
no
answers
no
votes
2020-01-22 08:33:01 -0500
LangdalePikes
Where should I use OpenCV LBPHFaceRecognizer parameters [closed]
facial#recognition
opencv#python
10
views
no
answers
no
votes
2020-01-22 07:49:04 -0500
tlu
Starting an iOS Project: OpenCV Compatible with iOS 13?
ios
opencv
iphone
14
views
no
answers
no
votes
2020-01-22 04:31:49 -0500
Tonifds
Single shot structured light
3dreconstruction
21
views
1
answer
no
votes
2020-01-22 04:07:55 -0500
mvuori
How can an undistorted image have the same resolution as the original?
calibrateCamera
15
views
no
answers
no
votes
2020-01-22 03:33:28 -0500
neo_nedo
How to make measure distance between 2 objects with Open CV and camera Hayear ?
Hayear
14M
camera
distance_measurement
34
views
no
answers
no
votes
2020-01-22 02:46:35 -0500
Periklis
VideoCapture with VideoCapture.Api.Images fails: OPENCV_HAVE_FILESYSTEM_SUPPORT is set to “FALSE” on iOS
ios
emgucv
stabilization
16
views
no
answers
no
votes
2020-01-22 02:17:00 -0500
mick609
cvGrabFrame returns false [closed]
opencv
qt
opencv2
57
views
no
answers
-1
votes
2020-01-21 12:15:07 -0500
rexendz
Draw bounding box around transparent bottle
python#opencv
1
2
3
4
5
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1077
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