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29,830 questions
Tagged
32k
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1
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2020-05-10 15:41:13 -0600
supra56
OpenCV(3.4.2) C:\projects\opencv-python\opencv\modules\highgui\src\window.cpp:356: error: (-215:Assertion failed) size.width>0 && size.height>0 in function 'cv::imshow
copencv2
5k
views
1
answer
no
votes
2020-05-10 15:23:21 -0600
HYPEREGO
Mat to Eigen, eigen2cv and cv2eigen errors [closed]
Eigen
svd
c++
decomposition
511
views
1
answer
-1
votes
2020-05-10 12:15:58 -0600
LiorA
Eyes bags removal using OpenCV ?
face
346
views
no
answers
no
votes
2020-05-10 11:53:28 -0600
trsh
Video frames problem
Video
4k
views
1
answer
no
votes
2020-05-10 09:27:32 -0600
HYPEREGO
How to automatically align an image using OpenCV in Python
python
515
views
1
answer
no
votes
2020-05-10 05:03:23 -0600
Aquas
Using non-free modules in OpenCV
opencv2.4.8
ubuntu14.04
SURF
modules
install
134
views
no
answers
-1
votes
2020-05-09 14:27:06 -0600
jeeva
find distance of x and y in discontinuity in alignment
Overlooked
2k
views
2
answers
no
votes
2020-05-09 10:12:14 -0600
HYPEREGO
How to align images of a known object with a 3D model of that object using opencv?
calibration
927
views
1
answer
no
votes
2020-05-09 09:55:14 -0600
HYPEREGO
How does the Sobel operator handle gradients over 255?
sobel
edgedetection
overflow
677
views
1
answer
no
votes
2020-05-09 04:59:37 -0600
kpachinger
How to draw canvas as same resolution/size across multiple android devices?
deleted
893
views
no
answers
no
votes
2020-05-08 09:41:49 -0600
FilipVW
Cmake error OpenCV contrib CUDA
CUDA
5k
views
no
answers
no
votes
2020-05-08 09:32:36 -0600
trsh
Where can I get "face_landmark_model.dat" for createFacemarkKazemi? [closed]
FacemarkKazemi
423
views
1
answer
no
votes
2020-05-08 03:04:38 -0600
berak
Why do I miss "seamlessClone" function in openCV.js ?
seamlessClone
436
views
no
answers
no
votes
2020-05-07 20:50:51 -0600
VigneshSuresh
Is there a package or module in python for xray scanning??? [closed]
python
python3
213
views
no
answers
no
votes
2020-05-07 15:40:30 -0600
trsh
Face swaping for video
Video
317
views
no
answers
no
votes
2020-05-07 11:30:45 -0600
LiorA
Looking for a recent guide to build Opencv4Android.
android
build
723
views
no
answers
no
votes
2020-05-07 08:47:59 -0600
cudawarped
CUDA DNN initialization when changing in batch size
CUDA
dnn
274
views
no
answers
no
votes
2020-05-07 05:57:00 -0600
Onic009
Perspective Transform (Homography) on rgb-d images
cvWarpPerspective
1k
views
no
answers
no
votes
2020-05-07 05:13:39 -0600
snehal
Remove vignetting effect [closed]
opencv
c++
238
views
no
answers
1
vote
2020-05-07 04:11:45 -0600
ksenobojca
"_InputArray::isVector()" with Python data
python
isVector
inputarray
RICInterpolator
1k
views
1
answer
no
votes
2020-05-06 20:54:58 -0600
kastaa
Imprecise intrinsic/extrinsic calibration with Aruco markers
Rectification
python
aruco
extrinsic
intrinsic
239
views
no
answers
no
votes
2020-05-06 13:17:58 -0600
sumant
How to upgrade cv2 from 4.2.34 to 4.3.0
opencv4.3.0
968
views
1
answer
no
votes
2020-05-06 11:45:31 -0600
cavuselami
Is opencv’s ‘dnn’ module working on jetson nano
CUDA
Nano
329
views
1
answer
no
votes
2020-05-06 11:43:31 -0600
supra56
How to merge rectangles of matchTemplate?
python
455
views
1
answer
no
votes
2020-05-06 09:43:36 -0600
berak
OpenCV.js Face landmark detection
landmarks
818
views
no
answers
no
votes
2020-05-06 09:11:42 -0600
SimonKirkman
Applying external calibration parameters to an image
calibration
1k
views
no
answers
no
votes
2020-05-06 08:13:15 -0600
thor2.7182
Opencv430.jar was not created after cmake [closed]
java
jar
ubuntu20.04
intellij
ant
maven
3k
views
1
answer
no
votes
2020-05-06 07:02:58 -0600
supra56
/build/opencv/modules/videoio/src/cap_ffmpeg_impl.hpp:901
opcv
videocapture
ffmpeg
552
views
1
answer
no
votes
2020-05-06 04:58:36 -0600
berak
2.4.2 DLL download for Windows
opecv2.4.2
2k
views
1
answer
no
votes
2020-05-06 01:15:07 -0600
berak
Segmentation fault when cv::Mat is constructed by Image buffer and not by VideoCapture::retreive
basler
pylon
qt
QQueue
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