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
1k
views
no
answers
no
votes
2020-06-10 07:59:59 -0600
VisionHead
calibrateHandEye
calibrateHandEye
7k
views
1
answer
no
votes
2020-06-10 12:04:56 -0600
HomanH
opencv_core430d.dll was not found
430.dll-not-found
648
views
no
answers
no
votes
2020-06-10 13:09:55 -0600
neil_DGD
cv::stereoCalibrate high RMS, roll and pitch of subordinate camera not quite correct
stereocalibration
stereo-calibration
calibrateCamera
calibration
rms
camera
131
views
no
answers
no
votes
2020-06-10 14:52:39 -0600
WesH
Laplacian output in C++ excludes negative values, but not in Python
opencv#c++#python
491
views
1
answer
no
votes
2020-06-10 20:59:02 -0600
supra56
cv::setMouseCallback with winforms (OpenCV 2.4.9,vs 2010)
cvSetMouseCallback
with
winforms
574
views
no
answers
no
votes
2020-06-11 02:31:16 -0600
berak
Mobile app crashes when detecting facial landmarks [closed]
opencv
python
android
face
249
views
no
answers
no
votes
2020-06-11 06:35:45 -0600
supra56
how to extract minutiea from image using python-openCV?
opencv
minutiae
2d-image
1k
views
1
answer
no
votes
2020-06-11 14:54:02 -0600
Der Luftmensch
Broadcast single channel to N-channels
Mat
broadcast
repeat
reduce
convert
8k
views
2
answers
2
votes
2020-06-11 15:36:21 -0600
Der Luftmensch
how could I change memory layout from hwc to chw ?
array
memory
layout
order
transpose
575
views
1
answer
no
votes
2020-06-12 02:30:30 -0600
berak
silhouette based 3D object tracking - Rapid module
silhouette
rapid
215
views
1
answer
no
votes
2020-06-12 03:57:00 -0600
berak
Equivalent to matlab bfilter2?
filter
Matlab
1k
views
no
answers
no
votes
2020-06-12 04:03:47 -0600
xynx
Get 3D world coordinates from 2D image coordinates
python
camera
opencv
calibrateCamera
PnP
273
views
no
answers
no
votes
2020-06-12 06:23:11 -0600
ayush
Aruco Based Positioning in another reference system
aruco
camerapose
translationRotation
positioning
450
views
no
answers
no
votes
2020-06-12 06:29:49 -0600
Alice_aj
Calibrating iPhone for OpenCV — Square vs Normal images
pose-estimation
calibrateCamera
aruco
409
views
1
answer
1
vote
2020-06-12 06:51:33 -0600
Miorii
ORB model conversion from python to java
ORB
python
java
107
views
no
answers
no
votes
2020-06-12 17:15:44 -0600
deorez
Android bitmap contrast
AndroidOpenCV
357
views
no
answers
no
votes
2020-06-12 23:05:46 -0600
NotARobot
How to preform Visual Inertial Odometry on a RPI3?
visual
odometry
computervision
visualOdometry
4k
views
1
answer
no
votes
2020-06-13 02:13:58 -0600
berak
I Am Trying To Do Face-recognition With Python But I Am Getting This Error: cv2.error: OpenCV(4.2.0) /Users/travis/build/skvark/opencv-python/opencv/modules/imgproc/src/resize.cpp:4045: error: (-215:Assertion failed) !ssize.empty() in function 'resize'
opencv
python
5k
views
2
answers
no
votes
2020-06-13 11:18:58 -0600
HYPEREGO
Passing an array of cv::GpuMat to a cuda kernel?
CUDA
opencv
gpumat
352
views
no
answers
no
votes
2020-06-13 14:29:37 -0600
10may
OpenCV DirectX 11 Interoperability
directx
opencv
c++
visual
studio
143
views
1
answer
no
votes
2020-06-13 16:24:09 -0600
coder29
createsamples cannot read positive image
createsamples
566
views
no
answers
no
votes
2020-06-13 22:19:12 -0600
Hugoagogo
Low framerate using DSHOW
opencvsharp
framerate
108
views
no
answers
no
votes
2020-06-14 00:09:39 -0600
Mr.khottabych
How to correction eclipse barrel distortion
barreldistortion
236
views
no
answers
no
votes
2020-06-14 03:28:30 -0600
Humam Helfawi
Comparing F matrix and E Matrix
fundamental-matrix
essential-matrix
2k
views
2
answers
1
vote
2020-06-14 11:26:45 -0600
sn4k3
Detect all black pixels inside a surrounded closed white area [closed]
contours
hierarchy
309
views
no
answers
no
votes
2020-06-14 12:49:19 -0600
adammo
Deskewing/aligning content of paper
warp
python
228
views
no
answers
no
votes
2020-06-14 13:46:44 -0600
NotARobot
good tutorials for preforming VIO on a rpi3 [closed]
visualOdometry
compuervision
RaspberryPi
72
views
no
answers
-1
votes
2020-06-14 22:22:32 -0600
Zenora
How do i add the webcam feed from my AI facial detection software onto the top panel in my frame?
opencv
python
417
views
no
answers
no
votes
2020-06-14 22:52:10 -0600
hopelesslylost
Undeclared Identifier error, Image Stitching Tutorial
CLION
mac
tutorials
3.2CompileErrors
3k
views
no
answers
no
votes
2020-06-15 00:53:09 -0600
Abd313
Extract objects (fingerprint and signature) from an image using OpenCV and python [closed]
extraction
detection
imageprocessing
« previous
1
...
961
962
963
964
965
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×7
python
×6
calibrateCamera
×3
aruco
×2
camera
×2
visual
×2
visualOdometry
×2
2d-image
×1
3.2CompileErrors
×1
430.dll-not-found
×1
android
×1
AndroidOpenCV
×1
array
×1
barreldistortion
×1
broadcast
×1
c++
×1
calibrateHandEye
×1
calibration
×1
camerapose
×1
CLION
×1
compuervision
×1
computervision
×1
contours
×1
convert
×1
createsamples
×1
CUDA
×1
cvSetMouseCallback
×1
detection
×1
directx
×1
essential-matrix
×1
extraction
×1
face
×1
filter
×1
framerate
×1
fundamental-matrix
×1
gpumat
×1
hierarchy
×1
imageprocessing
×1
java
×1
layout
×1
mac
×1
Mat
×1
Matlab
×1
memory
×1
minutiae
×1
odometry
×1
opencv#c++#python
×1
opencvsharp
×1
ORB
×1
order
×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
×
