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32,038 questions
Tagged
6
views
no
answers
no
votes
2019-12-16 01:35:37 -0500
nrajasekar
Video file length is 3 times lesser than the original video based on the resolution [closed]
opencvsharp
and.Net
C#+openCV
9
views
no
answers
no
votes
2019-12-15 21:37:09 -0500
Avadhoot05
Mass center of contour is showing incorrectly in opencv java
android
opencv
max
android4.3
java
48
views
1
answer
1
vote
2019-12-15 12:43:34 -0500
Martian
Option: BUILD_opencv_python3 missing from cmake-gui
python
cmake-gui
31
views
2
answers
1
vote
2019-12-15 11:38:17 -0500
Eventine
Mahalanobis Distance between 2 images
Mahalanobis
covariance
Images
13
views
no
answers
no
votes
2019-12-15 08:02:14 -0500
abcdcadb
trouble with imdecode: always returns none. Why?
python
29
views
no
answers
no
votes
2019-12-15 03:33:14 -0500
LBerger
No module named 'cv2'
python
opencv
install
cv2
9k
views
3
answers
no
votes
2019-12-15 00:56:11 -0500
essamzaky
How to eliminate small contours in a binary image?
opencv
findContours
20
views
no
answers
no
votes
2019-12-15 00:52:15 -0500
essamzaky
Missing region when used findcontours
findContours
17
views
no
answers
no
votes
2019-12-14 23:00:24 -0500
Gourav
unable to use cv2.imread(cv2.samples.findfile("lena.jpg")) in opencv
pycharm
opencv
samples
opencvLoadImage
23
views
1
answer
no
votes
2019-12-14 13:18:35 -0500
mvuori
How to overexpose an image
Exposure
image
imageprocessing
10
views
no
answers
2
votes
2019-12-14 12:43:13 -0500
bong0
Use custom classifier in ERFilter with python
python
erfilter
classifier
46
views
1
answer
1
vote
2019-12-14 11:13:48 -0500
supra56
cv2.imshow and cv2.imwrite show different output from the same array[SOLVED]
numpy
imshow
imwrite
19
views
no
answers
no
votes
2019-12-14 08:57:42 -0500
supra56
OpenCV.js Coordinates of points of contour corners
OpenCV.js
contours
findContours
approxPoly
10
views
no
answers
no
votes
2019-12-14 06:29:08 -0500
rsvp
Camera calibration estimates incorrect field of view
calibration
camera-field-of-view
fov
17
views
no
answers
1
vote
2019-12-14 06:23:50 -0500
Gourav
How to write tutorials for opencv
tutorial
contribute
46
views
no
answers
1
vote
2019-12-13 21:22:10 -0500
PankajP
Get rid of overlapping bounding boxes for contours
opencvpyhon
contou
974
views
1
answer
no
votes
2019-12-13 21:21:51 -0500
supra56
How to display Android camera preview[SOLVED]
opencv3.1.0
CvCameraViewFrame
CameraBridgeViewBase
AndroidOpenCV
64
views
2
answers
no
votes
2019-12-13 14:45:56 -0500
supra56
Traceback (most recent call last): File "./Documents/S.py", line 36, in <module> roi_gray, NameError: name 'roi_gray' is not defined
opencv
python
11
views
no
answers
no
votes
2019-12-13 13:49:30 -0500
amigo421
FaceRecognizer - prediction value [closed]
facerecognize
26
views
1
answer
no
votes
2019-12-13 13:47:55 -0500
supra56
I am trying to run yolo in opencv using darknet on cpu code works fine but not getting camera displayed.[Solved]
opencv
python
CaptureVideo
Video
24
views
no
answers
no
votes
2019-12-13 04:28:48 -0500
CNieberding
How to install OpenCV 32bit on Win64 machine
win32
installation
c++
opencv
17
views
no
answers
no
votes
2019-12-13 04:28:44 -0500
KingDav33
Cannot load my custom Tensorflow-Model into cv:dnn::readNetFromTensorflow
tensorflow
inference
frozen_model
optimize
15
views
no
answers
no
votes
2019-12-12 20:59:20 -0500
HelloWorld
How to use DescriptorMatcher to get matching images?
flann
15
views
no
answers
no
votes
2019-12-12 20:08:55 -0500
arafat
How to combine two descriptors result
descriptors
calcHist
LBP
27
views
1
answer
no
votes
2019-12-12 14:52:08 -0500
LBerger
Writing raw video using VideoWriter
VideoWriter_fourcc
raw
13
views
no
answers
1
vote
2019-12-12 13:53:53 -0500
exbigboss
cv::findContours doesn't append to the OutputArrayOfArrays [closed]
findContours
c++
18
views
no
answers
no
votes
2019-12-12 10:49:45 -0500
peng
cv::resize() causes error when transitioning opencv from 2.4.13 to 3.3.1
transition
conflict
41
views
2
answers
no
votes
2019-12-12 08:46:51 -0500
supra56
Python, eliminate small contours
findContours
18
views
1
answer
no
votes
2019-12-12 08:32:09 -0500
kbarni
Why does OpenCV calcHistDemo differ from other histogram generators
histogram
18
views
no
answers
no
votes
2019-12-12 07:34:09 -0500
sarslan
X11 ssh forwarding not working with imshow.
SSH
X11
imshow
1
2
3
4
5
...
1068
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