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12,357 questions
Tagged
962
views
no
answers
no
votes
2017-09-18 17:45:27 -0600
JamieCorkhill
How do I know what values to set for the blockSize and constant parameters of adaptiveThreshold().
adaptiveThreshold
226
views
no
answers
no
votes
2014-07-07 18:58:52 -0600
soulslicer
HAAR training with OpenCL
#cvHaarCascadeClassi
157
views
no
answers
1
vote
2016-09-22 13:01:20 -0600
Mike
Boosted Regression Trees OpenCV 3.1
boosting
regression
553
views
no
answers
no
votes
2016-05-17 23:04:06 -0600
MilevaMaric
How access to UMat pixel by pixel without getMat?
UMat
749
views
no
answers
no
votes
2018-11-22 10:16:41 -0600
Ronaoinoi Abqwoa
Face Recognition based Attendance system in Python, OpenCV (Attendance is not written)
python
518
views
no
answers
no
votes
2020-08-05 01:35:30 -0600
berak
build opencv for ios failed
build
failed
ios
1k
views
no
answers
no
votes
2012-12-10 04:19:45 -0600
UserOpenCV
What is the price of 3D face dataset? Can anyone suggest a good 3D face dataset?
3dreconstruction
3d
image
processing
image-processing
computervision
1k
views
no
answers
no
votes
2014-02-28 05:57:28 -0600
rdasgupta
Compile MATLAB bindings for OpenCV
Matlab
mex
compile
cmake
280
views
no
answers
no
votes
2019-07-30 09:36:13 -0600
kdk2612
What are Octaves and Sub levels in KAZE and AKAZE?
KAZE
feature-detection
keypoint-matching
630
views
no
answers
no
votes
2016-01-18 10:01:16 -0600
Garenne92
Error when launch opencv_traincascade : _cascadeDirName or _bgfileName or _vecFileName is NULL
opencv
opencv_traincascade
169
views
no
answers
no
votes
2014-05-23 11:17:46 -0600
Tariq
No object detection with Cascadeclassifier on GPU
#copencv
#CUDA5.5
#opecv2.4.6
238
views
no
answers
no
votes
2015-09-13 06:12:39 -0600
Artifical-I
How to detect missing batch number on packaging line ?
defect
tracking
123
views
no
answers
1
vote
2019-11-25 01:21:58 -0600
ibrahim_5403
How can I define "scopesToKeep" and "scopesToIgnore" nodes of a frozen model?
python
Mask-Rcnn
dnn
keras
222
views
no
answers
no
votes
2016-04-03 22:11:22 -0600
ttyy
FLANN clustering/search for dense optical flow image comparison
flann
cbir
distance_metrics
opticalflow
585
views
no
answers
1
vote
2014-12-31 14:06:02 -0600
Roglefin
Motorola Droid Turbo - Hardware: not detected
Motorola
droid
Turbo
3k
views
no
answers
no
votes
2015-02-05 16:13:52 -0600
serser12
Metal Defect Detection
machine
vision
inspection
defect
detection
metal
651
views
no
answers
no
votes
2015-05-26 05:27:27 -0600
itack
OpenCV for android Face detection sample
android
opencv4android
Facedetection
428
views
no
answers
no
votes
2015-11-22 00:49:58 -0600
saihv
How can I calculate positions of two moving cameras looking at the same scene if the initial baseline is known?
stereoMatching
pose-estimation
epipolar-geometry
PnP
174
views
no
answers
no
votes
2014-04-15 19:58:52 -0600
Gilzo
Backprojection and 2D histogram
bac
histogram
497
views
no
answers
no
votes
2020-01-09 10:22:36 -0600
aironman
Error when I try to run Hello World OpenCV sample using java and eclipse
java
Eclipse
OSX
3k
views
no
answers
no
votes
2013-08-06 07:15:40 -0600
ximobayo
BFmatcher types error
bfmatcher
descriptor
455
views
no
answers
no
votes
2017-09-03 04:19:58 -0600
holdman
How to recognize specific objects
image-recognition
Opencv3.0
cascadeclassifier
android
opencv
294
views
no
answers
-1
votes
2017-07-11 16:07:40 -0600
narutocool
CUDA more slower than CPU
CUDA8.0
opencv
c++
visual
224
views
no
answers
no
votes
2016-11-03 04:21:17 -0600
scholar
Which technique is better for text extraction from natural scene images
c++
opencv
visualstudio
956
views
no
answers
no
votes
2018-08-12 15:18:19 -0600
Dave Snowdon
Link fails when cross compiling OpenCV 3.3.1 for Raspberry Pi Zero even though libraries are present
opencv
RaspberryPi
zero
cross-compilation
3.3.1
273
views
no
answers
no
votes
2014-11-08 12:52:37 -0600
Nimble_Ninja
OpenCV Guide Books
book
books
codebook
recommendation
1k
views
no
answers
no
votes
2015-12-21 22:13:44 -0600
saihv
OpenCV Kalman Filter used for position/orientation tracking: wrong results
KalmanFilter
pose-estimation
114
views
no
answers
no
votes
2017-06-07 07:33:43 -0600
dumbogeorge
Positive value of EM predict2 returned loglikelihood value
objectdetection
282
views
no
answers
1
vote
2014-06-17 13:59:29 -0600
loveandkindness
A tricky image processing problem. (blurry moving dots)
tracking
image-processing
threshold
268
views
no
answers
no
votes
2018-04-16 17:07:30 -0600
DerBexucher1
HOGDescriptor checkDetectorSize()
emgucv
HOG
checkDetectorSize
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