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12,357 questions
Tagged
3k
views
no
answers
no
votes
2014-02-05 14:22:31 -0600
matt venn
robustly finding a region in a photo using fiducial
fiducial
chessboard
feature-detection
268
views
no
answers
1
vote
2013-09-03 10:13:16 -0600
nkint
camera calibration with partially occluded patterns
#calibrateCamera
Calib3d
pattern
1k
views
no
answers
2
votes
2014-02-12 04:13:13 -0600
vlad_tepesch
why is cv::invert so incredibly slow?
invert
slow
1k
views
no
answers
no
votes
2014-04-14 08:42:27 -0600
ntb-werz
set color transparent in the android camera preview
mask
chromakey
532
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
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
1k
views
no
answers
no
votes
2018-08-23 21:16:44 -0600
peterlinh
RTP timestamp for OPENCV
opencv
RTPTimestampsClient
689
views
no
answers
no
votes
2017-04-17 19:16:54 -0600
Luis Oscar
Perspective transformation without camera intrinsic/extrinsic matrix?
perspectiveTransform
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
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
178
views
no
answers
no
votes
2018-11-13 20:57:22 -0600
ttelsey
Where to find header files when building with android-gradle
gradle
android
cmake
externalnativebuild
364
views
no
answers
no
votes
2020-10-06 03:44:55 -0600
aiubian
SOLVEPNP_ITERATIVE vs SOLVEPNP_EPNP vs SOLVEPNP_P3P vs solvePnPRansac - Which to use and when to use?
solvePnP
SOLVEPNP_ITERATIVE
SOLVEPNP_P3P
SOLVEPNP_EPNP
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
369
views
no
answers
no
votes
2015-01-09 06:02:24 -0600
thdrksdfthmn
Depth Stream is not showing
realsense
c++
intel
1k
views
no
answers
no
votes
2020-09-10 05:48:17 -0600
RashidLadj
Estimate camera pose from homography?
camera-pose
pose-estimation
homography-matrix
1k
views
no
answers
no
votes
2016-09-27 03:49:37 -0600
timothywgreen
How do I solve this issue for this Multiscale Template Matching script?
templateMatching
2k
views
no
answers
no
votes
2013-05-16 17:28:12 -0600
DutchMark
Difference between flann based matcher in C and C++?
SURF
flann
object
detection
1k
views
no
answers
no
votes
2016-12-14 03:01:16 -0600
IN
Debayer with VNG OpenCV implementation produces bad quality results
debayering
VNG
notworkingproperly
badquality
1k
views
no
answers
no
votes
2019-03-30 09:39:35 -0600
son
(-215:Assertion failed) inputs.size() == requiredOutputs in function 'getMemoryShapes'
opencv
java
dnn
615
views
no
answers
no
votes
2016-11-03 13:36:13 -0600
Bob H
I am having trouble deleting a video capture object in C++.
videocapture
761
views
no
answers
no
votes
2017-03-19 09:07:24 -0600
vitorbordini
clicking in an image in python
click
Pixels
coordinates
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
101
views
no
answers
no
votes
2019-07-09 23:56:52 -0600
sasi123
OpenCV DNN predicts same class for every input
dnn
420
views
no
answers
no
votes
2016-01-16 18:33:01 -0600
procoding
Homograph Matrix Off in Image Stitching
image-stitching
homography-matrix
Lucas-Kanade
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
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
341
views
no
answers
no
votes
2018-09-28 12:59:23 -0600
vivekstorm
What is number of disparities in stereo matching?
disparity
stereo
459
views
no
answers
no
votes
2017-12-09 03:44:37 -0600
procton
Road detection and machine learning
road
detection
opencv
java
traincascade
683
views
no
answers
no
votes
2018-06-28 14:35:21 -0600
darioc85
cv::cuda::solvePnPRansac VS cv::solvePnPRansac
solvePnpRansac
CUDA
SOLVEPNP_ITERATIVE
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