Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity
answers ▼
votes
12,357 questions
Tagged
268
views
no
answers
1
vote
2013-09-03 10:13:16 -0600
nkint
camera calibration with partially occluded patterns
#calibrateCamera
Calib3d
pattern
638
views
no
answers
no
votes
2020-11-05 12:40:07 -0600
vamshee
detect multiple qr code in the captured image using android SDK?
AndroidOpenCV
2k
views
no
answers
no
votes
2014-11-18 12:27:23 -0600
Pradeep C
OpenCV Error: Assertion failed (!empty()) in detectMultiScale
#video-processing
#Classifier
#xcode
127
views
no
answers
no
votes
2014-07-03 08:43:29 -0600
brainzest
How to play a videocapture stream to CvCameraViewframe
#android#opencv
#capturevideo
494
views
no
answers
no
votes
2015-02-09 08:51:15 -0600
Potato
What units is the 'distance' measured in? (in the matches of a SURF)
SURF
feature-detection
feature-extraction
distance
93
views
no
answers
no
votes
2019-10-01 05:30:04 -0600
bheadmaster
Methods for deciding if there is an object on the surface or not
objectdetection
1k
views
no
answers
1
vote
2014-01-06 02:40:54 -0600
OoVoO
Error from Qt creator
#opencv#qt
159
views
no
answers
no
votes
2017-04-05 03:26:38 -0600
Dhananjay Sharma
Why OpenCV face detection recognition the faces for untrained face?
opencv
python
350
views
no
answers
no
votes
2015-11-06 10:27:51 -0600
MJ
relative pose between two images
3dreconstruction
pose-estimation
pose_estimation
rotation
calibrateCamera
480
views
no
answers
no
votes
2013-07-18 16:47:31 -0600
ABoubou
Opencv Flann
flann
distance
3k
views
no
answers
no
votes
2016-08-11 00:20:11 -0600
mnogono
OpenCV 3.1 VideoCapture ffmpeg
ffmpeg
c++
Video
videocapture
103
views
no
answers
-1
votes
2017-01-10 01:37:04 -0600
iStar
OTHER IMAGES EXCEPT BUNNY ARE APPEARING AS TINY DOTS,HOW TO MAKE THEM VISIBLE
c++
opencv
VIZmodule
2k
views
no
answers
no
votes
2014-10-02 18:08:12 -0600
AJW
Effect of flag parameter in stereoRectify()
stereo
Rectification
stereorectify
epipolar-geometry
2k
views
no
answers
6
votes
2014-08-06 15:18:52 -0600
protonmesh
OpenCV Displaying UMat Efficiently
UMat
opengl
buffer
753
views
no
answers
no
votes
2017-10-09 05:08:39 -0600
Martian
hough circle detection if circle extends outside of image?
Hough
circle
188
views
no
answers
no
votes
2016-04-19 00:19:20 -0600
Sandesh14
Can any body tell me how to intialize MatOfRect object with MatOfRect Constructor taking Mat object as a parameter?
java
MatOfRect
Mat
289
views
no
answers
no
votes
2017-11-26 06:36:48 -0600
AdhilIqbal
How to find a spot inside circle
opencv
c++
1k
views
no
answers
no
votes
2015-06-22 15:08:23 -0600
Tedzini
Changing resolution of front LifeCam on MS Surface Pro
surface
Pro
lifecam
front
camera
219
views
no
answers
no
votes
2020-02-28 03:52:08 -0600
RPonomarenko
[BRISK] There is no a possibility to change keypoints size
brisk
keypoint
374
views
no
answers
no
votes
2020-07-21 07:40:39 -0600
resge98
don't know how to predict classes with RCNN ResNet50 and the dnn method
dnn
python
readNetFromTensor
faster_rcnn
253
views
no
answers
no
votes
2016-10-30 12:20:42 -0600
kenjif
Trouble linking openCV 2.4.13.1 on QT creator 4.1.0 on OS X El Capitan
QtCreator
OSX
Elcapitan
2.4.13
link
123
views
no
answers
no
votes
2014-04-09 14:52:34 -0600
Bandur
OpenCV BoW project build error
BOW
BOWImgDescriptor
#build
#error
bagOfvisualWords
333
views
no
answers
no
votes
2017-10-02 08:30:07 -0600
r@opencv
Does stereoBM compute epilines, F and E (built-in)?
DisparityMap
epipolar-geometry
opencv3.0.0
stereoBM
stereocalibration
stereoMatching
233
views
no
answers
no
votes
2016-04-04 05:40:51 -0600
NathanSn
ml::TrainData responses difference between type CV_32F and CV_32S
ml
trainData
datatype
2k
views
no
answers
no
votes
2015-02-01 18:42:41 -0600
Bzisch
Cascade Classifier pedestrian detection
opencv
python
detectMultiScale
pedestrian
cascade-classifier
922
views
no
answers
no
votes
2016-04-20 16:19:57 -0600
Ben Carpenter
videoCapture not opening correctly in iOS
ios
videocapture
video-capture
261
views
no
answers
no
votes
2017-05-02 03:17:45 -0600
AbominableBat
Is it possible to measure the exact distance of a flat object (eg. metal sheets) using Aruco Markers?JO
aruco
calculate_distance
localization
600
views
no
answers
no
votes
2015-01-07 07:22:48 -0600
Birky
What type of gpuMat is needed for gpu version of erode function?
erode
dilate
gpu
CUDA
1k
views
no
answers
1
vote
2014-09-24 15:57:27 -0600
cristianclc
using opencv in keil arm
opencv
arm
KEIL
UVISION
285
views
no
answers
no
votes
2019-10-30 19:46:48 -0600
TensorIA
Retrained tensorflow model in OpenCV
readNetFromTensor
object_detection
retrained
« previous
1
...
408
409
410
411
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×5
c++
×3
python
×3
distance
×2
epipolar-geometry
×2
readNetFromTensor
×2
videocapture
×2
2.4.13
×1
3dreconstruction
×1
#android#opencv
×1
AndroidOpenCV
×1
arm
×1
aruco
×1
bagOfvisualWords
×1
BOW
×1
BOWImgDescriptor
×1
brisk
×1
buffer
×1
#build
×1
calculate_distance
×1
Calib3d
×1
calibrateCamera
×1
#calibrateCamera
×1
camera
×1
#capturevideo
×1
cascade-classifier
×1
circle
×1
#Classifier
×1
CUDA
×1
datatype
×1
detectMultiScale
×1
dilate
×1
DisparityMap
×1
dnn
×1
Elcapitan
×1
erode
×1
#error
×1
faster_rcnn
×1
feature-detection
×1
feature-extraction
×1
ffmpeg
×1
flann
×1
front
×1
gpu
×1
Hough
×1
ios
×1
java
×1
KEIL
×1
keypoint
×1
lifecam
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
