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12,357 questions
Tagged
751
views
no
answers
no
votes
2019-04-14 18:42:08 -0600
guestimator
OpenCV 4.1.0 import to AndroidStudio
setup
opencv
4.1.0
androidStudio
269
views
no
answers
no
votes
2016-10-06 00:56:24 -0600
lm35
Opencv 2.4.9 or Opencv 3.0 for GPU acclerated CUDA
opencv2.4.9
Opencv3.0
ubuntu
cuda7.5
764
views
no
answers
no
votes
2014-05-10 10:12:35 -0600
wuling
TBB cvtColor memory leaks
tbb
cvtColor
leaks
139
views
no
answers
1
vote
2014-06-25 11:09:45 -0600
MRDaniel
OpenCL and GPU Functionality
opencl
gpu
482
views
no
answers
no
votes
2020-08-04 08:52:59 -0600
ShrutheeshIR
AruCo improve tracking a single marker
aruco
289
views
no
answers
no
votes
2020-05-01 10:16:55 -0600
berak
Issue running mingw32-make in build folder
Video
mingw32-make
build-error
190
views
no
answers
-1
votes
2020-11-11 11:37:22 -0600
SA_2020
ai that analyses live video footage and can calculates the distance between 2 or more people
analysis
198
views
no
answers
no
votes
2019-07-15 09:08:31 -0600
fzyzcjy
OpenCV 4.0 Android (NDK) With NEON: Why And Why Not?
android
c++
simd
neon
221
views
no
answers
no
votes
2019-10-14 13:06:41 -0600
just2read
ccalib, Multi Camera Calibration allways to few points
ccalib
multicamera
multicam
534
views
no
answers
no
votes
2020-05-05 16:09:55 -0600
Cătălina Sîrbu
How to avoid contours of different shapes to combine
Morphological
dilation_erosion
contours
628
views
no
answers
1
vote
2015-10-18 09:48:27 -0600
LBerger
initundistortrectifymap line 103 and 137 what is going on?
initUndistort
calibration
distortion
undistortion
rectify
1k
views
no
answers
no
votes
2015-10-04 12:41:37 -0600
TyN101
Access violation when opening OpenCV VideoCapture (release only)
c++
visual-studio-2013
videocapture
442
views
no
answers
no
votes
2017-04-11 11:00:39 -0600
lovaj
Why my dense descriptor has bad performance?
dense
SIFT
SURF
254
views
no
answers
no
votes
2015-11-30 05:21:58 -0600
czc080
Cant display the image after applyting exposed elbp function in python
createLBPH
360
views
no
answers
no
votes
2017-10-25 08:32:24 -0600
wpadka
My Own Cascade Classifier: Can not get new positive sample. The most possible reason is insufficient count of samples in given vec-file.
cascadeclassifier
traincascade
3k
views
no
answers
no
votes
2014-08-02 02:56:00 -0600
justrookie
Return coordinate values from mouse callback function and save values to txt
setMouseCallback
241
views
no
answers
1
vote
2013-05-29 14:40:07 -0600
Heshan Sandeepa
why Invariant moments are slightly diffident for the same image
C++.OpenCV
moments
8k
views
no
answers
no
votes
2020-02-06 19:19:04 -0600
gersonmlb
Error cv :: VideoWriter :: open VIDEOIO (CV_IMAGES): raised OpenCV exception: when executing a .exe packaged from a .py
opencv
python
videocapture
284
views
no
answers
no
votes
2017-09-21 10:08:56 -0600
muhammad.umar600
Need Pre-trained classifier (xml) for Door detection
cascadeclassifier
DoorDetection
machinelearning
103
views
no
answers
no
votes
2019-08-28 11:32:01 -0600
Prvind Panday
Why i am unable to launch?
java
Eclipse
5k
views
no
answers
no
votes
2016-12-09 07:02:52 -0600
alokitnigam
OpenCV Error: Bad argument (Unknown array type) in cv::cvarrToMat
java
opencv
10k
views
no
answers
no
votes
2018-06-26 08:30:25 -0600
Oliver
Python: Merge overlapping bounding boxes, replace by surrounding bounding box
opencv
python
bounding_boxes
856
views
no
answers
no
votes
2014-06-26 09:50:32 -0600
Tam
CascadeClassifier
cascadeclassifier
420
views
no
answers
no
votes
2013-11-22 07:17:21 -0600
tenta4
solvePnPRansac returns different results
opencv
solvePnpRansac
433
views
no
answers
no
votes
2019-05-21 15:01:04 -0600
violetforest
How to calculate pose and transformation for contours and its bounding rect for AR app?
contours
augmentedReality
pose-estimation
boundingRect
1k
views
no
answers
no
votes
2014-09-21 15:44:32 -0600
Cross22
HoughLines Debug Assertion Failed
HoughLines
691
views
no
answers
no
votes
2015-09-24 21:13:32 -0600
ChaoyuanYeh
Whats' the best way to speed up filtering a very large image by multi-processing?
multiprocessing
multicore
imfilter
large
performance
531
views
no
answers
no
votes
2013-04-10 10:41:26 -0600
AndyL
Recompile OpenCV 1.1 for 64 bit Windows 7
opencv-1.x
windows7x64
mingw
1k
views
no
answers
no
votes
2016-06-14 04:58:30 -0600
arcticworker
What is the difference between Stump-based and Tree-based frontal face detector?
haarcascade
frontal
face
Facedetection
339
views
no
answers
no
votes
2015-01-15 10:51:21 -0600
Willis
How to determine time to collision
android
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