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
2,171 questions
Tagged
python
×
2k
views
no
answers
1
vote
2020-10-11 12:03:07 -0600
jbhunt
Is there an ellipse detection algorithm that is robust to partially occluded objects?
python
ellipse
6k
views
1
answer
no
votes
2020-10-11 03:09:18 -0600
Ashley
How to solve TypeError: Expected Ptr<cv::UMat> for argument 'src'?
opnecv
python
CaptureVideo
1k
views
1
answer
no
votes
2020-10-09 02:45:32 -0600
RashidLadj
OpenCV solvePnPRansac() function
opencv
python
3dreconstruction
computervision
camera
solvePnP
171
views
no
answers
no
votes
2020-10-06 08:53:59 -0600
mimeluff
Fisheye --> Undistorted --> Fisheye
python
142
views
no
answers
-1
votes
2020-10-06 08:51:57 -0600
Sue
How can I get just one rgb value in a video from ROI's center
python
296
views
no
answers
no
votes
2020-10-05 09:49:04 -0600
tim-hilt
GMS-matcher doesn't write to Output-Vector
image-matching
c++
python
ORB
gms-matcher
625
views
1
answer
no
votes
2020-10-05 09:33:02 -0600
tim-hilt
Is multithreading handled differently in Python and C++?
image-matching
ORB
bruteforcematcher
c++
python
multi-thread
12k
views
1
answer
no
votes
2020-10-04 15:09:39 -0600
supra56
Help geeting OpenCV to output a videostream using gstreamer. [closed]
opencv
gstreamer
rtp
python
277
views
no
answers
no
votes
2020-10-04 14:42:35 -0600
supra56
Webcam generated image distorted and python stop working
webcam
opencv
python
1k
views
1
answer
no
votes
2020-10-04 11:34:02 -0600
supra56
python: How to Crop White region from Number Plate image??
opencv
python
Crop-image
numberplate
image
2k
views
no
answers
no
votes
2020-10-04 08:27:29 -0600
ilouzl
VideoWriter not working on MacOS
videowriter
python
pip
macos
cv2.VideoWriter
codec
4k
views
1
answer
no
votes
2020-10-02 04:10:49 -0600
berak
Image frame saving from Video without losing resolution and quality
image-processing
opencv
python
videocapture
save
225
views
no
answers
no
votes
2020-09-29 08:49:30 -0600
kilwa
how can i draw a contours in specific region
opencv
python
317
views
no
answers
no
votes
2020-09-29 04:13:09 -0600
Ricki Hutagaol
how to create an image box in python using tkinter
opencv
python
293
views
no
answers
no
votes
2020-09-29 02:47:58 -0600
yaor42
unwrapPhaseMap() does not take ndarray in Python
python
phase
unwrapping
211
views
1
answer
1
vote
2020-09-28 03:09:56 -0600
berak
Why is a contour from cv2.findContours() in a shape like [N,1,2]?
findContours
python
502
views
1
answer
no
votes
2020-09-27 09:11:36 -0600
Chris
How to color the pixels in an image depending on whether they are inside/outside a zone/circle?
python
image
image-processing
mask
cv2
circle
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
106
views
no
answers
no
votes
2020-09-25 08:36:25 -0600
Pawan29
What is the length of the tape/strip from the image?
opencv
and
python
10k
views
1
answer
no
votes
2020-09-24 10:44:53 -0600
berak
how to solve (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::detectMultiScale'
opencv
python
288
views
1
answer
no
votes
2020-09-23 05:57:04 -0600
berak
can't find QuasiDenseStereo in opencv_contrib_python
python
stereo
QuasiDenseStereo
373
views
1
answer
no
votes
2020-09-22 01:49:41 -0600
berak
Brox Optical Flow - Python Binding
BroxOpticalFlow
python
990
views
1
answer
-2
votes
2020-09-21 07:41:20 -0600
Stupend
Foot Measurement [Python]
opencv
python
Foot
measurement
1k
views
no
answers
no
votes
2020-09-21 03:19:25 -0600
alf0815
findChessboardCornersSB irregular behavior
calibration
python
613
views
1
answer
no
votes
2020-09-19 16:54:03 -0600
kpachinger
Different ways to detect LED Screen from the image.
python
detection
494
views
no
answers
3
votes
2020-09-16 09:52:00 -0600
LauLauThom
Haar cascade detector with non-maxima suppression
haarcascade
python
nms
object-detection
2k
views
2
answers
no
votes
2020-09-16 04:01:10 -0600
cudawarped
How Can I use CUDA in Python for fastNlMeanDenosingColored?
gpu
CUDA
denoising
python
1k
views
no
answers
no
votes
2020-09-15 18:26:30 -0600
Pedroski55
OpenCV detector is missing, how can I get it?
opencv
python
1k
views
1
answer
no
votes
2020-09-15 02:00:20 -0600
berak
OpenCV Video Masking
python
408
views
no
answers
no
votes
2020-09-14 11:00:41 -0600
ncrasta
world coordinates from object detection
opencv
python
« previous
1
2
3
4
5
...
73
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
python
×30
opencv
×12
c++
×2
image
×2
image-matching
×2
image-processing
×2
ORB
×2
3dreconstruction
×1
and
×1
BroxOpticalFlow
×1
bruteforcematcher
×1
calibration
×1
camera
×1
CaptureVideo
×1
circle
×1
codec
×1
computervision
×1
conversion
×1
Crop-image
×1
CUDA
×1
cv2
×1
cv2.VideoWriter
×1
denoising
×1
detection
×1
ellipse
×1
findContours
×1
Foot
×1
gms-matcher
×1
gpu
×1
gstreamer
×1
haarcascade
×1
macos
×1
mask
×1
measurement
×1
multi-thread
×1
nms
×1
numberplate
×1
numpy
×1
object-detection
×1
opnecv
×1
phase
×1
pip
×1
QuasiDenseStereo
×1
rtp
×1
save
×1
solvePnP
×1
stereo
×1
unwrapping
×1
videocapture
×1
videowriter
×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
×