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
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
280
views
no
answers
no
votes
2020-10-11 10:12:38 -0600
opencv_new
Accuracy with SIFT + bag of words
SIFT
bagOfWords
bagOfvisualWords
cbir
602
views
1
answer
2
votes
2020-10-11 08:00:43 -0600
berak
Best/efficient development workflow?
beginner
workflow
cmake
help
build
time
7k
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
9k
views
1
answer
no
votes
2020-10-10 14:52:27 -0600
berak
OPENCV 4.04 > THRESH_OTSU mode: > 'src_type == CV_8UC1 || src_type == CV_16UC1' > where > 'src_type' is 6 (CV_64FC1)
opencv
pyhton
1k
views
no
answers
no
votes
2020-10-10 02:34:20 -0600
kunaltyagi
Compilation error while building from source
compilation-error
146
views
no
answers
no
votes
2020-10-10 00:40:41 -0600
tahereh rasouli
The amount of movement of two images in three dimensions and angles [closed]
mov
Images
and
angles
806
views
no
answers
no
votes
2020-10-09 19:45:27 -0600
Jeremy Intan
Building OpenCV without SSE2 and Neon
sse2
neon
2k
views
no
answers
2
votes
2020-10-09 14:59:49 -0600
sturkmen
Drawing several circles in an additive way
buffer
additive
405
views
no
answers
2
votes
2020-10-09 13:51:57 -0600
supra56
Calculating motion of Spacecraft/Camera
opticalflow
camera
7k
views
1
answer
1
vote
2020-10-09 04:21:17 -0600
sturkmen
(-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'
cv2.videocapture
2k
views
1
answer
no
votes
2020-10-09 02:45:32 -0600
RashidLadj
OpenCV solvePnPRansac() function
opencv
python
3dreconstruction
computervision
camera
solvePnP
451
views
no
answers
no
votes
2020-10-08 15:16:24 -0600
idan
solvePnP for camera pose - Am I missing a step?
solvePnP
camera
2k
views
1
answer
1
vote
2020-10-08 07:17:33 -0600
supra56
extract text from Driving Licence
python#opencv
200
views
no
answers
1
vote
2020-10-08 07:01:42 -0600
supra56
Can you read this image by using imRead function?
imread
libpng
1k
views
no
answers
no
votes
2020-10-08 03:15:34 -0600
Steven.Dragoz
ORB Keypoints Minimum distance?
ORB
bfmatcher
keypoint
keypoint-matching
301
views
no
answers
no
votes
2020-10-07 16:43:32 -0600
alecda
Error from cv2.dnn.readNetFromTensorflow Lambda layer
readNetFromTensor
382
views
no
answers
no
votes
2020-10-07 15:11:30 -0600
BullyWiiPlaza
Cannot convert image types using the C++ API
c++
opencv
windows
visual-c++
836
views
2
answers
no
votes
2020-10-07 14:36:18 -0600
superfly
how do I add missing module cv::drawFrameAxes without breaking installation
matrix
computer
vision
opencv
installation
drawframeaxes
275
views
no
answers
1
vote
2020-10-07 11:24:44 -0600
dvfreese
Thread-safety with GpuMat
CUDA
gpu
thread
110
views
no
answers
no
votes
2020-10-07 08:24:30 -0600
salasidis
Very Beginner question - need directional guidance
recognize
cross
pattern
automation
665
views
no
answers
no
votes
2020-10-07 07:18:55 -0600
v.suri
image.channels() not counting correctly for 2 channel tif images.
c++
opencv
1k
views
no
answers
-2
votes
2020-10-07 07:10:32 -0600
supra56
How to show the offset difference value between base image and reference image in OpenCV?
offset
Difference
value
121
views
no
answers
1
vote
2020-10-07 04:29:49 -0600
Sloanc
Can I use Opencv to process output from a linear photodiode array array.
linear
photodiode
array
9k
views
2
answers
1
vote
2020-10-06 22:05:33 -0600
ajpaezm
Delete OpenCV installation in Ubuntu. [closed]
ubuntu
ubuntu20.04
uninstall
528
views
no
answers
no
votes
2020-10-06 17:32:02 -0600
warpstar22
Identifying between left and right hand
hand-detection
1k
views
1
answer
no
votes
2020-10-06 12:00:24 -0600
sjhalayka
OpenCV - OpenGL - OpenCL Interop
opengl_interop
opencl
opencv
c++
texture
qt
461
views
no
answers
no
votes
2020-10-06 10:22:41 -0600
berak
Building opencv.js on MAC fails undefined symbol: __tls_base
OpenCV.js
Emscripten
tls_base
1k
views
1
answer
no
votes
2020-10-06 09:34:57 -0600
berak
Polynomial
image-warping
192
views
no
answers
no
votes
2020-10-06 08:53:59 -0600
mimeluff
Fisheye --> Undistorted --> Fisheye
python
« previous
1
...
8
9
10
11
12
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×6
python
×4
c++
×3
camera
×3
solvePnP
×2
3dreconstruction
×1
additive
×1
and
×1
angles
×1
array
×1
automation
×1
bagOfvisualWords
×1
bagOfWords
×1
beginner
×1
bfmatcher
×1
buffer
×1
build
×1
CaptureVideo
×1
cbir
×1
cmake
×1
compilation-error
×1
computer
×1
computervision
×1
cross
×1
CUDA
×1
cv2.videocapture
×1
Difference
×1
drawframeaxes
×1
ellipse
×1
Emscripten
×1
gpu
×1
hand-detection
×1
help
×1
Images
×1
image-warping
×1
imread
×1
installation
×1
keypoint
×1
keypoint-matching
×1
libpng
×1
linear
×1
matrix
×1
mov
×1
neon
×1
offset
×1
opencl
×1
OpenCV.js
×1
opengl_interop
×1
opnecv
×1
opticalflow
×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
×