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29,830 questions
Tagged
288
views
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answers
no
votes
2019-09-09 02:17:46 -0600
Rakesh_V
Getting error while compiling sampleDetectLandmarks.cpp [closed]
Facedetection
edges
167
views
no
answers
no
votes
2019-09-08 22:41:23 -0600
shuaizhang
DNN do not support tf.tile
dnn
tf.tile
532
views
no
answers
no
votes
2019-09-08 21:23:55 -0600
karl liu
failed to compile OpenCV with CUDA at opencv_cudev module
build
249
views
no
answers
no
votes
2019-09-08 19:48:06 -0600
JailsonPanizzon
How create a release for windows with OpenCV and PyQt5?
release
windows
Generate
exe
443
views
no
answers
no
votes
2019-09-08 00:18:08 -0600
vickygig
why fx focal length is changing when I calibrating the camera.
calibration
4k
views
2
answers
1
vote
2019-09-10 14:30:12 -0600
ImageProcessing_MF
Placing UYVY data in a Mat, C++
UYVY
c++
Mat
dataformat
uint8_t
image
194
views
no
answers
no
votes
2019-09-07 07:43:46 -0600
[email protected]
Hardware for opencv
opencv
1k
views
no
answers
no
votes
2019-09-07 04:11:53 -0600
fogx
Panning image window programmatically [closed]
opencv#python
591
views
no
answers
no
votes
2019-09-07 01:09:50 -0600
MHZ
Pattern recognition
python
opencv
404
views
no
answers
no
votes
2019-09-07 00:44:31 -0600
PR
error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::__ndk1::vector<cv::Rect_<int>, std::__ndk1::allocator<cv::Rect_<int> > >&, double, int, int, cv::Size_<int>, cv::Size_<int>)'
CascadeClassifier111
2k
views
1
answer
no
votes
2019-09-06 16:28:34 -0600
Witek
OpenCVSharp - Object detection and tracking [closed]
objectdetection
objectrecognition
camera
154
views
no
answers
no
votes
2019-09-05 13:49:38 -0600
tantony
New to OpenCV and Python
opencv
python
165
views
no
answers
no
votes
2019-09-05 13:41:55 -0600
vito95
how does opencv handle rectangles feature of haar cascade classifier?
haarcascade.xml
haarcascade
cvHaarCascadeClass
haarcascades
1k
views
no
answers
no
votes
2019-09-05 12:49:07 -0600
zkumar
Error in reading onnx model (python)
dnn#opencv
14k
views
no
answers
1
vote
2019-09-05 12:06:06 -0600
Tina J
libopencv_core.so.3.1: cannot open shared object file: No such file or directory
opencv
libopencv_core
3k
views
1
answer
no
votes
2019-09-23 08:30:37 -0600
dbots94
Get Rotation and Translation Matrix
3dreconstruction
depth-image
3d
2d
homography
78
views
no
answers
no
votes
2019-09-05 10:00:43 -0600
wangkaijiang
compile opencv4.1.1 and qt with mingw3.2 meet 'chmod' is not internal command
opencvqt
1k
views
no
answers
no
votes
2019-09-05 05:02:06 -0600
vladvin
error: (-215:Assertion failed) api != 0 in function 'getBackendName'
videocapture
python
ffmpeg
gstreamer
v4l2
406
views
no
answers
no
votes
2019-09-04 17:09:07 -0600
correia
triangulation points with projection matrix in stereorectify
stereo
stereorectify
3dreconstruction
5k
views
no
answers
1
vote
2019-09-04 16:23:31 -0600
Tina J
OpenCV: FOUR_CC tag is not supported
CV_FOURCC
CreateVideoWriter
196
views
no
answers
no
votes
2019-09-04 14:32:28 -0600
Varinder
How to measure the radius of a spherical object in OpenCV2?
MeasureSphere
902
views
2
answers
no
votes
2019-09-07 11:51:44 -0600
tomihasa
Install OpenCV in Windows 10
qt
Windows10
cmake
install
94
views
no
answers
no
votes
2019-09-04 08:52:17 -0600
cjacquel
_ITERATOR_DEBUG_LEVEl for OpenCV 4.1.1
Debug
1k
views
no
answers
no
votes
2019-09-04 08:09:08 -0600
Sunilvb
Python error for 4.1.0 - cv.imshow(winname, mat) not implemented
opncv4raspberry-pi
743
views
no
answers
no
votes
2019-09-04 05:20:29 -0600
TheImageWhisperer
How do i find points of interest (keypoints) in a specific region of image
opencv
377
views
no
answers
no
votes
2019-09-04 04:51:25 -0600
blockchainmen
Co-ordinate system followed in cv2.warpAffine()
image-warping
warpAffine
affine-transform
coordinates
232
views
no
answers
no
votes
2019-09-04 02:49:49 -0600
ymw
extract pixel values in images raw by raw c++ [closed]
extract
Pixels
as
rows
566
views
no
answers
no
votes
2019-09-03 20:23:21 -0600
Oliver Chen
Failed to get second frame from a CSI camera module
videocapture
815
views
no
answers
no
votes
2019-09-03 10:53:24 -0600
holger
Contrast Detection - Picking the right Font color [closed]
contrast
detection
161
views
no
answers
1
vote
2019-09-03 05:53:21 -0600
LiorA
Publish Android openCV Tutorial
android
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