First time here? Check out the FAQ!
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
1k
views
no
answers
no
votes
2014-07-16 10:14:44 -0600
wuling
wide angle camera calibration and merge image
calibration
merge
12k
views
no
answers
no
votes
2020-03-16 09:09:48 -0600
LBerger
TypeError: Image data of dtype object cannot be converted to float
copencv
image-processing
imread
image
532
views
no
answers
no
votes
2017-12-12 14:23:57 -0600
jim_hoggey
how to download install 'createLBPHFaceRecognizer' module opencv raspberry pi
opencv
RaspberryPi
2k
views
no
answers
no
votes
2017-12-08 19:42:20 -0600
eld1e6o
CMake cross compiler problem with pkg_check_modules for some packages
cmake
GTK2
cross-compile
pkg_check_modules
c++
linux
512
views
no
answers
-1
votes
2020-09-05 01:40:37 -0600
hoseinimage
numpy.linalg.inv error
linalgerror
inversion
126
views
no
answers
no
votes
2018-05-10 15:59:04 -0600
halfpotato
How do I perform a normal convolution?
Convolution
1k
views
no
answers
1
vote
2019-04-08 03:02:59 -0600
berak
Build error with Opencv with Inference Engine backend on raspberry
Builderror
dnn
RasPi
379
views
no
answers
no
votes
2014-04-22 07:52:15 -0600
gino0717
Restric the angle of fitEllipse?
fitEllipse
Angle
615
views
no
answers
no
votes
2017-05-25 03:29:36 -0600
Umar Farooq
Why does my custom HOG detector always draws a rectangle on the center of image even when I have obtained good accuracies on Test data?
HOG
SVM
python3
customdetector
setSVMDetector
detectMultiScale
605
views
no
answers
no
votes
2016-04-15 10:03:37 -0600
allaoua
imwrite changes the channels when saving
imread
channel
959
views
no
answers
no
votes
2020-04-27 08:58:17 -0600
Abdelrahman
How to use multiband blender in opencv c++
c++
1k
views
no
answers
no
votes
2015-06-20 21:36:24 -0600
yvshashoua
How do I save and upload a random forest once I have trained it?
randomforest
458
views
no
answers
no
votes
2017-09-13 06:19:18 -0600
Santhosh1
Will splitting an image into small blocks for processing help in extraction of edges?
imageprocessing
223
views
no
answers
no
votes
2018-12-11 23:40:01 -0600
Sudharsan_jgopi
While running Traincascade or Haartraining code , a error occurs
traincascade
5k
views
no
answers
no
votes
2014-10-21 18:45:15 -0600
knox
OpenCV3.0 missing headers and libraries.
#Opencv3.0
102
views
no
answers
no
votes
2019-10-14 04:25:40 -0600
cjacquel
Contour as ChainCode is Opencv 4.1.1
contour
Chaincode
91
views
no
answers
no
votes
2013-04-18 05:27:36 -0600
cb20130410
reproducing algorithms
CV
343
views
no
answers
no
votes
2015-12-26 09:20:12 -0600
nistar
How to use Surf on OpenCV3.0.0
Opencv3.0
SURF
1k
views
no
answers
-1
votes
2019-06-12 01:54:04 -0600
Kira
Issue in using imread and imwrite in thread
cpp
imagesc
opencv
c++
Windows-10
239
views
no
answers
no
votes
2015-04-01 13:56:35 -0600
Fernando Penteado
Problem during intalling OpenCV at VS2013
windows-7
visual-studio-2013
700
views
no
answers
no
votes
2019-05-01 18:19:36 -0600
Filippo9669
Rho and Theta resolution in Hough Transform
HoughLines
75
views
no
answers
no
votes
2019-05-07 06:58:15 -0600
[email protected]
cv::resize() use 20M memory
LeakMemory
143
views
no
answers
no
votes
2015-11-30 14:30:12 -0600
coolece
Posit head pose estimation
headpose
927
views
no
answers
no
votes
2016-04-16 16:22:00 -0600
Tetragramm
Is it possible to compare and match the keypoints and descriptors of an image (that we have already calculated) with a video that is running in the real time?
object
recognition
video-processing
224
views
no
answers
no
votes
2018-01-11 17:51:20 -0600
quiques
Color detection in an image and mathematical formula
opencv
python
280
views
no
answers
no
votes
2018-09-05 03:11:09 -0600
csggnn
Writing functions accepting inputs of type cv::Mat or cv::UMat
UMat
_InputArray
_OutputArray
1k
views
no
answers
no
votes
2017-09-22 09:45:15 -0600
Lubagov
OpenCV 3.3 setNumThreads(0) bug
setNumThreads
cascadeclassifier
opencv
3.3
225
views
no
answers
-1
votes
2016-06-01 06:45:58 -0600
sampa
Face swap of images
faceswapping
514
views
no
answers
no
votes
2015-06-05 01:27:43 -0600
abhiguru
Cannot get OpenCV3.0 cuda::calcHist() to return correct values
Opencv3.0
CUDA
histogram
537
views
no
answers
no
votes
2020-03-26 03:41:43 -0600
berak
Image quality assessment
c++
opencv
« previous
1
...
406
407
408
409
410
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×5
c++
×4
imread
×2
Opencv3.0
×2
3.3
×1
Angle
×1
Builderror
×1
calibration
×1
cascadeclassifier
×1
Chaincode
×1
channel
×1
cmake
×1
contour
×1
Convolution
×1
copencv
×1
cpp
×1
cross-compile
×1
CUDA
×1
customdetector
×1
CV
×1
detectMultiScale
×1
dnn
×1
faceswapping
×1
fitEllipse
×1
GTK2
×1
headpose
×1
histogram
×1
HOG
×1
HoughLines
×1
image
×1
imageprocessing
×1
image-processing
×1
imagesc
×1
_InputArray
×1
inversion
×1
LeakMemory
×1
linalgerror
×1
linux
×1
merge
×1
object
×1
#Opencv3.0
×1
_OutputArray
×1
pkg_check_modules
×1
python
×1
python3
×1
randomforest
×1
RaspberryPi
×1
RasPi
×1
recognition
×1
setNumThreads
×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
×
