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29,830 questions
Tagged
180
views
no
answers
no
votes
2020-09-23 05:03:17 -0600
PavelP
knnMatch/BFHamming bug or not?
knnmatch
features2d
ORB
akaze
c++
293
views
1
answer
no
votes
2020-09-23 05:57:04 -0600
berak
can't find QuasiDenseStereo in opencv_contrib_python
python
stereo
QuasiDenseStereo
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
491
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
6k
views
1
answer
no
votes
2020-09-24 05:12:14 -0600
mvuori
cv:imwrite Python error with Windows: can't open file for writing: permission denied
python3
windows
imwrite
opencv
372
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
227
views
no
answers
no
votes
2020-09-29 08:49:30 -0600
kilwa
how can i draw a contours in specific region
opencv
python
670
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
353
views
no
answers
no
votes
2020-09-24 07:37:13 -0600
Maxime
Why imread is reallocating data buffer
imread
c++
pointers
11k
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
241
views
no
answers
no
votes
2020-09-24 13:01:09 -0600
Mark S
ArUco Thresholding Window Size
aruco
adaptiveThreshold
threshold
393
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
770
views
no
answers
no
votes
2020-09-25 02:54:32 -0600
wil-den
peculiar docker problem
opencv-python
docker
error
strange
473
views
no
answers
no
votes
2020-09-25 05:21:10 -0600
Shassk
Determine new coordinates of pixel after calibration + remap
calibration
192
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
269
views
no
answers
no
votes
2020-09-25 09:05:59 -0600
jast_r
Preform separation and image segmentation
c++
opencv
segmentation
defectdetection
107
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
230
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
296
views
no
answers
no
votes
2020-09-25 16:54:52 -0600
queisser
Calibration grid larger than FOV - which method?
calibration
141
views
1
answer
no
votes
2020-09-27 20:00:52 -0600
squenix008
Callback parameters not being updated
setMouseCallback
526
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
78
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
257
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
211
views
no
answers
no
votes
2020-09-28 20:20:07 -0600
nabatta
Drone Localization with IR Beacons?
localization
drone
infrared
ir
298
views
no
answers
no
votes
2020-09-29 02:47:58 -0600
yaor42
unwrapPhaseMap() does not take ndarray in Python
python
phase
unwrapping
343
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
401
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
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