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12,357 questions
Tagged
857
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answers
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Feb 10 '14
Scratch17
Video capture not working when launched from IDE (VS2013)
#videocapture
#opencv#c++
directshow
#visual-studio-2013
analog_camera
14k
views
no
answers
no
votes
Aug 29 '16
tyler-cromwell
Improving face recognition accuracy
facial#recognition
training
face
374
views
no
answers
no
votes
Jan 20 '15
fedor
use modules from opencv_extra in visual studio 2013
opencv_extra
Text
vs13
3.0.0-beta
234
views
no
answers
1
vote
Jul 20 '15
sl8rv
Biggest openCV pain points
features
new
requests
1k
views
no
answers
2
votes
Sep 12 '17
Lorenzo Riano
What's the point of having a const cv::Mat?
Mat
const
design
c++
1k
views
no
answers
no
votes
Dec 12 '15
saihv
OpenCV findEssentialMat() and recoverPose() sign convention?
essential-matrix
recoverpose
epipolar-geometry
573
views
no
answers
no
votes
Jul 1 '15
JayB
CvDTree train fails (C++)
CvDTree
1k
views
no
answers
1
vote
Apr 6 '16
AVB
PNG image with alpha channel
alpha-channel
png
videocapture
210
views
no
answers
no
votes
May 30 '16
derekcsy
Flann Index in Java
flann
java
KNN
88
views
no
answers
no
votes
Apr 30 '15
Anubhav
How to Use and Compile Opencv 3.0 Beta?
Buildopencv3.0beta
417
views
no
answers
no
votes
May 1 '17
vidushig2
What should be default value of features for classification stored in csv file using svm classifciation
cpp
SVM
opencv
815
views
no
answers
no
votes
Aug 20 '14
troniousCV
opencv_traincascade.exe = Assertion Failed (s >= 0) Help?
opencv_traincascacde
149
views
no
answers
no
votes
May 10 '19
bow_one
Moments have reading of 0.0 in Android Q 10.0
moments
android
opencv
166
views
no
answers
no
votes
Feb 14 '19
rode
OpenCV Raspberry pi3b+ call camera CSI
CV
cv2
RaspberryPi
1k
views
no
answers
1
vote
Jul 11 '15
miro
Build problem on windows x64 with java library
opencv
build
windows
X64
java
91
views
no
answers
-1
votes
Aug 19 '16
FreakySlax
Eigenfaces - What are the 400 pictures used for?
eigenfaces
898
views
no
answers
no
votes
Nov 9 '15
fayme007
How to choose a specific object using opencv in android
android
opencv
392
views
no
answers
no
votes
Jul 30 '16
supertramp-sid
Alternative to CvAdaptiveSkinDetector
c++
opencv
499
views
no
answers
no
votes
Oct 3 '17
hiwaa
about ICP matching algorithm.
c++
ICP
depth
kinect
1k
views
no
answers
no
votes
May 5 '15
pulp_fiction
opencv_traincascade : Acceptance Ratio- Unconsistent Behavior
opencv
opencv_traincascacde
objectdetection
1k
views
no
answers
no
votes
Sep 9 '15
Savva
cannot find -lopencv_core
image-processing
Gray
1k
views
no
answers
no
votes
Feb 27 '0
zohra
Problem with dnn::NMSBoxes
yolo
dnn
c++
735
views
no
answers
no
votes
Feb 12 '13
jamal
what is the difference between 1D log-Gabor filter and the gabor filter?
1D
Log-Gabor
615
views
no
answers
no
votes
Jun 3 '16
YaddyVirus
Line detection and tracking algorithm for autonomous robot.
python
imageprocessing
Thresholding
robot
281
views
no
answers
1
vote
Aug 30 '17
mihaibujanca
Defining a new module in opencv_contrib
contribution
opencv_contrib
cmake
253
views
no
answers
-1
votes
Mar 8 '18
aoczko01
Unknown crash when getting a double[] from a Mat
android
1k
views
no
answers
2
votes
Mar 16 '15
ClintFromVa
OpenCV3.0 migration guide?
opencv3
migration
4k
views
no
answers
no
votes
Oct 26 '0
Rickvanhek
Insanely high cpu usage for simple videocapture (50% cpu usage)
videocapture
rtsp
opencv
python
1k
views
no
answers
no
votes
Jul 7 '18
Xahin96
Need help in Eye Gaze detection - Python opencv
gaze-detection
eye-detection
eye-gaze
eye-direction
369
views
no
answers
no
votes
Aug 28 '19
gtambi
LineSegmentDetector - original code license conflict
linesegmentdetector
Licence
LSDDetector
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