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
74 questions
Tagged
numpy
×
4k
views
no
answers
-1
votes
2020-07-18 11:40:57 -0600
berak
Image data of dtype complex128 cannot be converted to float. how to remove this error? [closed]
numpy
126
views
no
answers
no
votes
2020-05-05 02:54:54 -0600
Dogu
How can I detect things with lines
cv2
opencv
python
numpy
466
views
1
answer
no
votes
2020-04-14 15:38:40 -0600
includeBRAIN
Help with optimization OpenCV Python [closed]
python
opencv
numpy
pyautogui
bot
313
views
1
answer
no
votes
2020-03-13 05:09:00 -0600
berak
Python OpenCV OGL Texture2D
opencv
python
CUDA
gpumat
numpy
1k
views
1
answer
no
votes
2020-03-03 05:04:41 -0600
cudawarped
Opencv cuda Merge returns Numpy array not GpuMat
opencv
python
CUDA
gpumat
numpy
488
views
no
answers
no
votes
2020-02-23 00:24:38 -0600
Elric
Mask an image with another image
python
numpy
7k
views
1
answer
2
votes
2019-12-14 11:13:48 -0600
supra56
cv2.imshow and cv2.imwrite show different output from the same array[SOLVED]
numpy
imshow
imwrite
172
views
no
answers
no
votes
2019-10-09 01:55:27 -0600
LBerger
X,Y and RGB data
opencv
numpy
ros
11k
views
1
answer
3
votes
2020-09-25 19:46:18 -0600
tjwmmd2
Fastest way to convert BGR <-> RGB! Aka: Do NOT use Numpy magic "tricks".
python
numpy
conversion
12k
views
1
answer
no
votes
2019-09-20 14:27:07 -0600
LBerger
got error while converting HSV2BGR
copencvpython
numpy
HSV
BGR2HSV
351
views
no
answers
-1
votes
2019-09-01 16:19:31 -0600
SajjadRostami
Video be freeze over Socket
cv2
flask
streamer
numpy
2k
views
no
answers
no
votes
2019-08-18 07:10:00 -0600
shim
Any functions like numpy.polyfit in OpenCV?
numpy
Poly
polyfit
145
views
no
answers
no
votes
2019-08-05 21:08:46 -0600
Minekonst
Python to Java: KNearest training / numpy.loadtxt()
KNearest
java
python
numpy
10k
views
1
answer
no
votes
2020-03-10 23:17:14 -0600
frankcarey
TypeError: Expected cv::UMat for argument 'img'
2d-image
cv2
numpy
edgedetection
1k
views
no
answers
no
votes
2019-07-22 12:35:40 -0600
karnivaurus
Changing channel ordering in OpenCV prevents rectangle being drawn
numpy
channel
281
views
no
answers
no
votes
2019-04-19 00:22:35 -0600
sazr
Identify all values that are close to zero
numpy
python
manipulation
282
views
no
answers
no
votes
2019-03-08 05:09:40 -0600
RPH
Wrap OpenCV Mat as numpyarray hangs ?
python
numpy
copyTo
CvMat
Mat
opencvpython
2k
views
3
answers
no
votes
2019-03-01 06:47:55 -0600
supra56
Python Opencv Structured Forests Edge Detection TypeError
opencv
python
numpy
image-processing
edgedetection
124
views
no
answers
no
votes
2019-02-12 22:50:35 -0600
Samjith888
which values have to be add into numpy.add_argument()? [closed]
numpy
opencvpyhon
image
trainData
2k
views
1
answer
no
votes
2019-02-05 00:43:50 -0600
sturkmen
c++ similar function to numpy
c++
numpy
opencv
3k
views
no
answers
no
votes
2019-01-01 12:55:36 -0600
oja
ValueError: setting an array element with a sequence.
opencv
numpy
arrays
1k
views
1
answer
no
votes
2018-11-13 06:31:32 -0600
supra56
Draw a rectangle on track vehicles
python3.4
numpy
opencv
1k
views
no
answers
no
votes
2018-10-28 09:44:12 -0600
berak
How do i autosize an image so that i do not get IndexError: index 303 is out of bounds for axis 0 with size 303
opencv
numpy
949
views
1
answer
no
votes
2018-10-23 03:42:20 -0600
berak
C++ to python, numpy-OpenCv
numpy
278
views
no
answers
no
votes
2018-10-16 16:53:08 -0600
Caseguy
How to make a shear algorithm using opencv and python no libraries [closed]
numpy
266
views
no
answers
no
votes
2018-10-06 09:56:05 -0600
jasper12
are these algorithm to OpenCV API function conversions correct?
aruco
python
numpy
1k
views
1
answer
no
votes
2018-08-21 10:17:19 -0600
g40
[Solved] Cannot configure OpenCV with Python3 support in an Arm64 chroot.
chroot
numpy
arm64
417
views
no
answers
no
votes
2018-07-17 14:42:06 -0600
whatdhack
opnecv axis and numpy dimension mismatch
numpy
rectangle
Line
imread
92
views
no
answers
no
votes
2018-06-25 17:58:15 -0600
evvivame
Setup numpy [closed]
installation
numpy
79
views
no
answers
no
votes
2018-05-22 05:42:22 -0600
dlrlr
Print specifics data/index object detected the same classes id in Array [closed]
python
numpy
1
2
3
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
numpy
×30
python
×12
opencv
×10
cv2
×3
CUDA
×2
edgedetection
×2
gpumat
×2
2d-image
×1
arm64
×1
arrays
×1
aruco
×1
BGR2HSV
×1
bot
×1
c++
×1
channel
×1
chroot
×1
conversion
×1
copencvpython
×1
copyTo
×1
CvMat
×1
flask
×1
HSV
×1
image
×1
image-processing
×1
imread
×1
imshow
×1
imwrite
×1
installation
×1
java
×1
KNearest
×1
Line
×1
manipulation
×1
Mat
×1
opencvpyhon
×1
opencvpython
×1
Poly
×1
polyfit
×1
pyautogui
×1
python3.4
×1
rectangle
×1
ros
×1
streamer
×1
trainData
×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
×
