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
442
views
no
answers
no
votes
2020-09-22 08:00:02 -0600
W.V.S.
identical object detection
object_recognition
452
views
no
answers
no
votes
2020-09-22 10:26:47 -0600
ConnorM
Poor Rectification Results After Good(?) Intrinsic/Extrinsic Parameter Estimation
camera
calibration
triangulation
error
198
views
no
answers
no
votes
2020-09-23 05:03:17 -0600
PavelP
knnMatch/BFHamming bug or not?
knnmatch
features2d
ORB
akaze
c++
1k
views
no
answers
no
votes
2020-09-23 07:41:59 -0600
Bluesailor
no such module in import on Xcode with cocoapod OpenCV2
xcode-12
opencv
510
views
no
answers
no
votes
2020-09-24 01:19:44 -0600
aiubian
What's the pseudocode or algorithm inside solvePnP's SOLVEPNP_ITERATIVE flag?
solvePnP
Levenberg-Marquardt
SOLVEPNP_ITERATIVE
440
views
no
answers
no
votes
2020-11-11 12:50:37 -0600
aliakseis
Measuring of lanes or stripes on noisy and underexposed images
opencv
computer-vision
image-recognition
245
views
no
answers
no
votes
2020-09-29 08:49:30 -0600
kilwa
how can i draw a contours in specific region
opencv
python
745
views
no
answers
no
votes
2020-09-24 05:42:44 -0600
Den
Opencv.js - findPerspective returns wrong corners coordinates
js
opencv-js
OpenCV.js
396
views
no
answers
no
votes
2020-09-24 07:37:13 -0600
Maxime
Why imread is reallocating data buffer
imread
c++
pointers
289
views
no
answers
no
votes
2020-09-24 13:01:09 -0600
Mark S
ArUco Thresholding Window Size
aruco
adaptiveThreshold
threshold
480
views
no
answers
no
votes
2020-09-25 09:20:12 -0600
Leonardo_ads
imencode not working with ".jpg" extension (Access violation reading location)
imencode
829
views
no
answers
no
votes
2020-09-25 02:54:32 -0600
wil-den
peculiar docker problem
opencv-python
docker
error
strange
555
views
no
answers
no
votes
2020-09-25 05:21:10 -0600
Shassk
Determine new coordinates of pixel after calibration + remap
calibration
225
views
no
answers
no
votes
2020-09-25 05:34:38 -0600
Supreeth Kumar Y P
How to update UMat when Mat is updated?
c++
opencv
Mat
UMat
opencl
300
views
no
answers
no
votes
2020-09-25 09:05:59 -0600
jast_r
Preform separation and image segmentation
c++
opencv
segmentation
defectdetection
117
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
242
views
no
answers
no
votes
2020-09-25 11:30:43 -0600
Vishwanath Garrepalli
Hi I have started working in ML and CV field recently. I want to participate in GSoC 2021. Can someone please guide and suggest me what I should do for contributing.
GSOC2021
opencv
324
views
no
answers
no
votes
2020-09-25 16:54:52 -0600
queisser
Calibration grid larger than FOV - which method?
calibration
567
views
no
answers
no
votes
2020-09-28 01:35:24 -0600
Deebo
Visual Studio 2019 build error "link.exe" could not be run
VS2019
85
views
no
answers
no
votes
2020-09-28 05:18:41 -0600
image data
I wanted to export my satellite image to a particular zoom level
Satellite
400
views
no
answers
no
votes
2020-09-28 06:59:48 -0600
Scheolin
Camera Center from rvecs and tvecs
opencv
1k
views
no
answers
no
votes
2020-09-28 07:23:22 -0600
sarslan
Using Gstreamer Pipeline in openCV, Why my pipeline works when I add videoconvert element before appsink ?
gstreamer
nv12
1k
views
no
answers
no
votes
2020-09-28 11:52:06 -0600
kebwi
VFR: obtain FR/duration/timestamp of a given frame?
vfr
variable
framerate
frame
rate
271
views
no
answers
no
votes
2020-09-28 20:20:07 -0600
nabatta
Drone Localization with IR Beacons?
localization
drone
infrared
ir
339
views
no
answers
no
votes
2020-09-29 02:47:58 -0600
yaor42
unwrapPhaseMap() does not take ndarray in Python
python
phase
unwrapping
469
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
484
views
no
answers
no
votes
2020-09-29 04:31:43 -0600
nic_olas
Detecting Charuco with low contrast and few pixels in big picture.
charuco
aruco
1k
views
no
answers
no
votes
2020-09-29 05:45:21 -0600
herbata666
Android - access hardware camera with Opencv-python and Kivy
ffmpeg
videocapture
cv2
1k
views
no
answers
no
votes
2020-09-29 06:44:22 -0600
Shassk
undistort() and remap() give different results
Undistort
remap
1k
views
no
answers
no
votes
2020-09-30 12:40:31 -0600
bluehawk91
How to Align two images?
image-alignment
« previous
1
...
352
353
354
355
356
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×9
c++
×4
python
×4
calibration
×3
aruco
×2
error
×2
adaptiveThreshold
×1
akaze
×1
and
×1
camera
×1
charuco
×1
computer-vision
×1
cv2
×1
defectdetection
×1
docker
×1
drone
×1
features2d
×1
ffmpeg
×1
frame
×1
framerate
×1
GSOC2021
×1
gstreamer
×1
image-alignment
×1
image-recognition
×1
imencode
×1
imread
×1
infrared
×1
ir
×1
js
×1
knnmatch
×1
Levenberg-Marquardt
×1
localization
×1
Mat
×1
nv12
×1
object_recognition
×1
opencl
×1
opencv-js
×1
OpenCV.js
×1
opencv-python
×1
ORB
×1
phase
×1
pointers
×1
rate
×1
remap
×1
Satellite
×1
segmentation
×1
solvePnP
×1
SOLVEPNP_ITERATIVE
×1
strange
×1
threshold
×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
×
