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12,357 questions
Tagged
658
views
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answers
no
votes
2015-04-28 09:43:20 -0600
Karthikeyan
Measuring Circle Centre point and Radius!! Finding a fixed threshold parameter
c++
opencv
circle
measurements
threshold
1k
views
no
answers
1
vote
2014-07-11 07:32:10 -0600
jack123
Reflection symmetry
#symmetry
#image-processing
#opencv#c++
759
views
no
answers
no
votes
2015-08-27 08:02:28 -0600
LBerger
GFTTDetector and calcOpticalFlowPyrLK
goodFeaturesToTrack
Lucas-Kanade
563
views
no
answers
no
votes
2018-03-28 22:54:47 -0600
aramirez
how can i get information of macroblocks, motion vectors, etc
h.264
mp4
macroblocks
motionvectors
2k
views
no
answers
no
votes
2014-02-11 11:08:00 -0600
bmuenzer
opencv_ffmpeg.dll license
ffmpeg
License
Video
decoding
gpl
lgpl
287
views
no
answers
no
votes
2017-04-03 03:03:44 -0600
kanth
Template matching
templateMatch
12k
views
no
answers
no
votes
2019-07-08 17:14:56 -0600
Lich
How to optimize frame grabbing from video stream in OpenCV?
videocapture
RaspberryPi
gstreamer
python
574
views
no
answers
no
votes
2016-04-19 08:46:23 -0600
jack1
How to recognize all the letters in a picture with opencv , KNN and java
android
opencv
java
KNN
668
views
no
answers
-1
votes
2015-11-03 07:15:16 -0600
Priyanka
OpenCV Error: Incorrect size of input array (Non-positive width or height) in unknown function, file ..\..\..\src\opencv\modules\core\src\array.cpp, line 113
keypoint-matching
118
views
no
answers
no
votes
2020-06-23 13:32:57 -0600
litozor
PNG rotation without dark edge
c++
interpolation
png
transparency
220
views
no
answers
no
votes
2020-08-03 20:22:17 -0600
pv1
How to generate libopencv_javaxxx.so files instead of dylibs on a mac?
dylib
native
java
1k
views
no
answers
no
votes
2017-05-12 03:14:04 -0600
Dirty_Feri
Building with visual studio, after Cmake fails
installation
visualstudio
1k
views
no
answers
1
vote
2018-12-12 02:11:22 -0600
Rakshith
Use OpenCL feature detector.
opencl
feature-detection
523
views
no
answers
no
votes
2017-07-06 05:07:30 -0600
rdeng2614
How to encode video using FFMPEG in VideoWriter in Java?
java
H264
ffmpeg
videowriter
753
views
no
answers
no
votes
2015-12-22 15:10:05 -0600
can
elastic bunch graph matching
facial
recognition
gabor
Wavelet
single
966
views
no
answers
no
votes
2016-08-05 04:58:34 -0600
AkashShrestha
How do I merge the bounding rectangles generated for i,j and '?'?
python
open-cv
119
views
no
answers
no
votes
2014-04-24 09:43:12 -0600
rafaoc
How add a new element or modify one in a MatOfPoint3f ? (OpenCV, Java)
#java
508
views
no
answers
no
votes
2020-11-13 16:08:18 -0600
Kafan
Can not build single dynamic library (libopencv_java4.so) for Android
mac
build
android
351
views
no
answers
no
votes
2016-09-08 05:28:37 -0600
Asif Moin Qureshi
How to implement Gabor Filter on image captured bye Camera in Android?
gabor
gabor-filter
with
android
724
views
no
answers
1
vote
2016-07-27 08:45:31 -0600
graphitash
How do I add opencv_contrib to an existing homebrew installation
Homebrew
opencv_contrib
install
211
views
no
answers
no
votes
2017-05-16 11:49:57 -0600
Kenny Karnama
Implementing Stroke Width Estimation
stroke-width
60
views
no
answers
no
votes
2016-10-07 13:07:21 -0600
bertumen.wj
In svm classifier if I train it with 3 classes can it detect if the image is not part of the Training classes?
SVM
252
views
no
answers
1
vote
2020-09-06 10:48:10 -0600
photogenx
OpenCV iOS - Camera Selection
ios
opencv
camera
iphone
2k
views
no
answers
no
votes
2013-07-10 10:46:55 -0600
laks.it
convertPointsToHomogeneous doesn't work with double
convert
homogeneous
double
699
views
no
answers
no
votes
2016-03-08 05:56:42 -0600
mayibongz
When i run my program in Qt i get this error "gtk_disable_setlocale() must be called before gtk_init()" ,however i have no idea how to solve it
ubuntu14.04
qt
c++opencv
1k
views
no
answers
no
votes
2018-03-06 16:05:59 -0600
Marko5280
How do I convert byte[] to Mat.
Lego
opencv
java
2k
views
no
answers
no
votes
2015-10-14 07:07:00 -0600
OlaruVlad
Contour matchshapes in openCV
opencv
python
match-shapes
1k
views
no
answers
no
votes
2015-11-13 01:33:03 -0600
Kris
Stitching from "leaveBiggestComponent" rejected Images but have orientation from the phone's sensors
stitching
193
views
no
answers
no
votes
2019-06-22 18:35:17 -0600
matherminator
fitellipse not for image but given points
fitEllipse
cv2.findContours
365
views
no
answers
no
votes
2018-03-02 16:56:56 -0600
Abhi Sirimamilla
Cannot import cv2 after installation on windows
opencv
python
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