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
851
views
no
answers
no
votes
2020-09-21 07:14:06 -0600
Sanju
No FPS change when using MJPEG format
fps
opencv
camera
c++
425
views
no
answers
-1
votes
2020-09-21 07:51:23 -0600
hoseinimage
FileNotFoundError: [Errno 2] No such file or directory: 'low-poly-fox-by-pixelmannen.mtl' [closed]
error
3dmodel
1k
views
no
answers
no
votes
2020-09-21 10:31:24 -0600
marouaneghoulami
How to pre-process images for OCR ?
OCR
preprocessing
Binarization
205
views
no
answers
no
votes
2020-09-21 16:36:45 -0600
Mobtaker
draw aruco global coordinate system on the frame
aruco
coordinate
system
ratio
108
views
no
answers
no
votes
2020-09-21 20:46:08 -0600
Mellow_0529
Stereo match based on feature points.
stereo_match
331
views
no
answers
no
votes
2020-09-23 03:16:31 -0600
berak
how to get a outputarrayofarrays
data-structure
463
views
no
answers
no
votes
2020-09-22 08:00:02 -0600
W.V.S.
identical object detection
object_recognition
460
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
1k
views
no
answers
no
votes
2020-09-24 11:27:38 -0600
Maxime
Imread with preallocated data pointer (cuda unified memory) is reallocating with the exact same size, but shouldn't [closed]
c++
imread
CUDA
memory_allocation
202
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
513
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
449
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
246
views
no
answers
no
votes
2020-09-29 08:49:30 -0600
kilwa
how can i draw a contours in specific region
opencv
python
751
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
398
views
no
answers
no
votes
2020-09-24 07:37:13 -0600
Maxime
Why imread is reallocating data buffer
imread
c++
pointers
294
views
no
answers
no
votes
2020-09-24 13:01:09 -0600
Mark S
ArUco Thresholding Window Size
aruco
adaptiveThreshold
threshold
489
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
839
views
no
answers
no
votes
2020-09-25 02:54:32 -0600
wil-den
peculiar docker problem
opencv-python
docker
error
strange
565
views
no
answers
no
votes
2020-09-25 05:21:10 -0600
Shassk
Determine new coordinates of pixel after calibration + remap
calibration
227
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
118
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
246
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
329
views
no
answers
no
votes
2020-09-25 16:54:52 -0600
queisser
Calibration grid larger than FOV - which method?
calibration
572
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
435
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
« previous
1
...
986
987
988
989
990
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×9
c++
×6
calibration
×3
error
×3
aruco
×2
camera
×2
imread
×2
python
×2
3dmodel
×1
adaptiveThreshold
×1
akaze
×1
and
×1
Binarization
×1
computer-vision
×1
coordinate
×1
CUDA
×1
data-structure
×1
defectdetection
×1
docker
×1
features2d
×1
fps
×1
frame
×1
framerate
×1
GSOC2021
×1
gstreamer
×1
image-recognition
×1
imencode
×1
js
×1
knnmatch
×1
Levenberg-Marquardt
×1
Mat
×1
memory_allocation
×1
nv12
×1
object_recognition
×1
OCR
×1
opencl
×1
opencv-js
×1
OpenCV.js
×1
opencv-python
×1
ORB
×1
pointers
×1
preprocessing
×1
rate
×1
ratio
×1
Satellite
×1
segmentation
×1
solvePnP
×1
SOLVEPNP_ITERATIVE
×1
stereo_match
×1
strange
×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
×
