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12,357 questions
Tagged
367
views
no
answers
1
vote
2018-07-07 17:15:15 -0600
Kevin Knox
Should I try to OCR shorthand
OCR
1k
views
no
answers
1
vote
2020-09-18 01:32:20 -0600
berak
Distinguish head of bolt and its thread
opencv
497
views
no
answers
no
votes
2017-12-21 04:51:09 -0600
MaxWell
Camera calibration
calibrateCamera
aruco
433
views
no
answers
no
votes
2016-04-29 22:19:38 -0600
skypickle
Help analyze 'make' error in opencv-contrib3
opencv-contrib-reg
445
views
no
answers
no
votes
2020-04-14 00:07:01 -0600
dhpancha
Run CUDA in Opencv4 in Jetson TX2
opencv4
CUDA10.0
Jetson-TX2
595
views
no
answers
no
votes
2015-02-25 15:54:33 -0600
ClintFromVa
Memory allocation in Mat for images - does it change type?
VS2013
2d-image
memory_allocation
Mat
c++
1k
views
no
answers
no
votes
2018-10-17 12:35:40 -0600
Caseguy
How to do shear transformation Python
python
153
views
no
answers
no
votes
2016-12-22 13:26:16 -0600
JT
Unable to use VideoCapture to access axis m1013 (Java)
ffmpeg
videocapture
java
841
views
no
answers
no
votes
2014-08-25 14:53:05 -0600
yohanrw
Can you stop and continue Cascade training? (Probably LBP)
#opencv
lbptraining
#cascade
1k
views
no
answers
2
votes
2013-04-18 14:26:34 -0600
flammxy
Are there any new algorithm about pedestrian detection,people counting?
pedestrian
detection
counting
HOG
2k
views
no
answers
no
votes
2018-06-18 15:24:44 -0600
a_zach
OpenCV(3.4.1) Error: Assertion failed (_img.rows * _img.cols == vecSize)
opencv_traincascade
687
views
no
answers
no
votes
2019-12-23 21:06:24 -0600
clay
waitkey(1) freezes display output when previewing in multiple threading
waitkey
freezes
display
137
views
no
answers
no
votes
2020-10-19 08:01:11 -0600
palladin
FLANN matcher not work properly
flann
4k
views
no
answers
no
votes
2018-06-02 22:33:22 -0600
Bezzzo
cvstd.hpp:622: undefined reference to `cv::String::allocate(unsigned long long)
Eclipse
c++
opencv
979
views
no
answers
no
votes
2017-03-21 05:08:11 -0600
Some One
How to use opencv_xfeature2d in opencv 3.1 in Android studio?
android
android-ndk
89
views
no
answers
no
votes
2019-02-04 04:00:35 -0600
arsalan
error in matching parameters type in c and java function
android
studio
java
cvInpaint
69
views
no
answers
no
votes
2015-12-11 22:36:08 -0600
android1234567
How do I import SparseMat class?
SparseMat
android
650
views
no
answers
no
votes
2018-06-24 10:57:12 -0600
darioc85
cv::goodFeaturesToTrack on a contour
contours
cornersubpix
goodFeaturesToTrack
blob
415
views
no
answers
no
votes
2018-06-12 09:56:52 -0600
Mehr
Why is opencv slower than Matlab in clustering?
Clusteing
speed
in
opencv
112
views
no
answers
no
votes
2015-09-10 03:26:46 -0600
Nikre93
How i can eleborate the Array of Contours?
Imgproc.line
countour
146
views
no
answers
no
votes
2016-03-09 07:19:53 -0600
SrinivasanM
How to connect external webcameras to android app?
android#opencv
387
views
no
answers
no
votes
2017-11-12 10:08:50 -0600
joy_nandi
Unable to create OpenCV Objects
android
studio
1k
views
no
answers
no
votes
2016-12-10 22:34:53 -0600
Der Luftmensch
Python: Fish-eye PnP Distortion Coefficients
solvePnP
python
fish-eye
distortion
629
views
no
answers
2
votes
2018-04-12 10:16:54 -0600
john_mcdonald
180,000+ Negative Images For You To Use In Object Detection Training
deleted
302
views
no
answers
no
votes
2016-02-10 06:19:12 -0600
jeanpat
import cv2 fails (opencv 3.1 build from source,linux)
Python2
python3
ImportError
linux
723
views
no
answers
no
votes
2020-03-03 03:28:40 -0600
Houthius
cv::projectPoints giving bad results when undistorted 2d projections are far
c++
opencv
distortion
830
views
no
answers
no
votes
2013-04-28 20:27:10 -0600
Brett
ios - _OBJC_CLASS_$_CvVideoCamera", referenced from...
ios
code.opencv
OpenCV-2.4.3
opencv
xcode
575
views
no
answers
no
votes
2015-01-03 10:58:15 -0600
Deepak Kumar
find tip of pen using opencv
opencv
segmentation
728
views
no
answers
1
vote
2020-06-27 03:31:33 -0600
supra56
Selective remove or blur logo in image
LOGO
delogo
watermark
blur
254
views
no
answers
no
votes
2017-12-25 16:08:54 -0600
justadudewhohacks
Opencv 3.4 detectMultiScale with ocl not performed on GPU
OpenCV3.4.0
detectMultiScale
opencl
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