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
29,830 questions
Tagged
121
views
no
answers
no
votes
2020-03-27 01:17:48 -0600
penguin18
Compute moments for set of polygons
moments
2k
views
1
answer
no
votes
2020-03-28 15:16:55 -0600
Ratoone
Disparity Map to Point Cloud gone wrong
opencv
python
face
DisparityMap
5k
views
no
answers
-1
votes
2020-03-26 11:30:52 -0600
lovel
How to detect and display body temperature using opencv python?
temperature
2k
views
no
answers
no
votes
2020-03-26 08:27:05 -0600
AzureSnake
cv.putText does not display text properly
cvPutText
putText
Facedetection
FaceRecognizer
87
views
no
answers
no
votes
2020-03-26 08:05:13 -0600
Mattia
Opencv yolo3 different result than original
yolo3
723
views
no
answers
no
votes
2020-03-26 03:41:43 -0600
berak
Image quality assessment
c++
opencv
496
views
no
answers
1
vote
2020-03-26 02:42:17 -0600
berak
OpenCV_Contrib module quality
c++
opencv
4k
views
1
answer
no
votes
2020-03-26 03:56:03 -0600
berak
How to compute the center of a bounding box?
centroid
center
qrcode
172
views
no
answers
no
votes
2020-03-26 01:18:59 -0600
Paul Jurczak
What is the difference between cv::stereo::StereoMatcher::compute and cv::StereoMatcher::compute?
stereo
554
views
no
answers
no
votes
2020-03-26 21:18:21 -0600
supra56
opencv kalman filter(python) problem when no detection
KalmanFilter
python
prediction
414
views
no
answers
no
votes
2020-03-25 17:17:49 -0600
badams
Projecting points onto image generated by warpPerspective
perspectiveTransform
WarpPerspective
python
1k
views
1
answer
no
votes
2020-03-26 05:03:26 -0600
berak
How to crop human detected frame from live video.
Livestream
crop
227
views
no
answers
no
votes
2020-03-25 15:54:57 -0600
CharlesC
OpenCV .so libraries show different symbol tables, why?
opencv
libraries
show
different
symbol
tables
1k
views
1
answer
no
votes
2020-10-03 12:29:02 -0600
HunterP
Error when running example code
opencv#python#video
578
views
no
answers
no
votes
2020-03-25 13:19:44 -0600
andrei186
Should Sony PS3 camera work with VideoCapture? [closed]
sony
ps3
eye
449
views
no
answers
no
votes
2020-03-25 12:02:59 -0600
supra56
SolvePnPRansac always returns an identity rotation matrix
solvePnpRansac
solvePnP
pose-estimation
camerarotation
384
views
no
answers
no
votes
2020-03-25 10:34:09 -0600
AaronB
Using OpenCV 3.4 and converting to use GPU (CUDA)
findNonZero
CUDA
points
3k
views
no
answers
no
votes
2020-03-25 09:03:02 -0600
scanner_dev
Convert Normal Map to Displacement Map?
normal_map
232
views
no
answers
no
votes
2020-03-25 08:19:10 -0600
Dronzer
Compiling custom cap_ffmpeg_impl.hpp
c++#opencv#ffmpeg
3k
views
no
answers
no
votes
2020-03-25 06:10:20 -0600
snowmania
Meaning of rectified beforePoints for filterHomographyDecompByVisibleRefpoints()
decomposehomography
82
views
1
answer
no
votes
2020-03-25 04:30:05 -0600
berak
Where is apk files for 4.2.0 OpenCV version
opencv4.2.0
908
views
no
answers
no
votes
2020-03-24 22:18:24 -0600
LightningStar
module 'cv2' has no attribute 'xfeatures2d'
python
xfeatures2d
CUDA
370
views
1
answer
1
vote
2020-03-27 11:12:58 -0600
link1375
findContours outputs different result, if the camera is parallel to the contour border
findContours
threshold
canny
97
views
no
answers
no
votes
2020-03-24 13:47:08 -0600
penguu
why is numpy needed in opencv [closed]
noob
explain
853
views
no
answers
no
votes
2020-03-24 10:21:07 -0600
andrei186
directory structure of OpenCV
directory
structure
opencv
linux
1k
views
1
answer
no
votes
2020-03-25 21:29:04 -0600
AaronB
How to get static libs for installed modules?
build
install
modules
static
libraries
static_libs
1k
views
no
answers
no
votes
2020-03-24 07:49:01 -0600
supra56
OpenCV 4.2.0 C++ - H264 Encoding
video#c++#opencv
355
views
no
answers
no
votes
2020-03-24 07:03:18 -0600
supra56
imread working in py but working in ipynb
ipynb
py
imread
python
vsc
5k
views
no
answers
no
votes
2020-03-24 07:51:14 -0600
supra56
Imwrite saves images as black .
opencv#python
Crop-image
image-processing
cv2.imwrite
1k
views
1
answer
no
votes
2020-03-24 07:28:59 -0600
supra56
how to get JPG compressed image yuv/rgb result from source image
jpg
compression
« previous
1
...
45
46
47
48
49
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×5
python
×5
c++
×2
CUDA
×2
libraries
×2
build
×1
camerarotation
×1
canny
×1
center
×1
centroid
×1
compression
×1
c++#opencv#ffmpeg
×1
crop
×1
Crop-image
×1
cv2.imwrite
×1
cvPutText
×1
decomposehomography
×1
different
×1
directory
×1
DisparityMap
×1
explain
×1
eye
×1
face
×1
Facedetection
×1
FaceRecognizer
×1
findContours
×1
findNonZero
×1
image-processing
×1
imread
×1
install
×1
ipynb
×1
jpg
×1
KalmanFilter
×1
linux
×1
Livestream
×1
modules
×1
moments
×1
noob
×1
normal_map
×1
opencv4.2.0
×1
opencv#python
×1
opencv#python#video
×1
perspectiveTransform
×1
points
×1
pose-estimation
×1
prediction
×1
ps3
×1
putText
×1
py
×1
qrcode
×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
×