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29,830 questions
Tagged
1k
views
no
answers
no
votes
2020-02-17 08:56:39 -0600
Imran B
cv2.cuda.remap and initUndistortRectifyMap()
CUDA
opencv
python
remap
Undistort
fisheye
136
views
no
answers
no
votes
2020-02-17 04:20:50 -0600
Massimiliano
Assertion failed calling motionFromEssentialChooseSolution in python
python
SfM
860
views
1
answer
no
votes
2020-03-29 05:11:02 -0600
ComputerVisionary
peak in false positives for detectMultiscale
detectMultiScale
1k
views
no
answers
no
votes
2020-02-17 03:03:49 -0600
RobinHu
Decode with multiple GPUs: How can I specify whichi gpu to use in cv::VideoCapture()?
videocapture
809
views
2
answers
no
votes
2020-02-20 04:45:20 -0600
berak
Detecting changes of image
machine-vision
image-recognition
machine-learning
827
views
1
answer
no
votes
2020-03-03 17:35:51 -0600
lnx
how to group nearby contours?
opencv
128
views
no
answers
no
votes
2020-02-16 23:18:34 -0600
putta
I want to work on opencv to get human body measurements so anybody please help me how I can do thisI [closed]
humanmeasurements
1k
views
1
answer
no
votes
2020-02-18 13:06:51 -0600
holger
calculate the Euclidean distances among one pixel selected from the object of interest and the rest of the points in the image
opencv
python
Euclidean_distance
CIE-LAB
1k
views
1
answer
no
votes
2020-02-18 10:00:56 -0600
kbarni
how to detect discontinuity in object boundaries
opencv
c++
js
3k
views
no
answers
1
vote
2020-02-16 21:57:05 -0600
ToanVnET
OpenCV-VideoWriter can not write *.mp4 with C++ ?
ffmpeg
opencv
c++
videowriter
mp4
mpeg4
307
views
no
answers
no
votes
2020-02-16 20:38:50 -0600
Linces
Way to a capture/convert ocvFFMpegIPCamSource stream to a bitmap? Delphi-opencv [closed]
delphi
1k
views
no
answers
no
votes
2020-02-16 18:03:37 -0600
Ibai
Determining types of 3D transformation between two sets of cloud points
transformation
3dmatrix
affine3d
estimateaffine3d
affine-transform
1k
views
1
answer
no
votes
2020-02-18 21:42:03 -0600
supra56
I'm compiling opencv3.4.9 and contrib3.4.9. But it doesn't work with python2.7[SOLVED]
opencv_python
opencv_contrib
245
views
no
answers
no
votes
2020-02-16 09:28:54 -0600
william007
How to get motion vector
motionvectors
2k
views
no
answers
no
votes
2020-02-21 05:39:23 -0600
lobsterman
compiling OpenCV 4.1.1 on ARM64
linux
arm64
1k
views
1
answer
no
votes
2020-03-03 17:40:23 -0600
lnx
This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated
FaceRecognition
python
trainingdataset
3k
views
no
answers
no
votes
2020-02-15 16:45:19 -0600
mateusguilherme
opencv low fps on raspberry pi 4
RaspberryPi#opencv
2k
views
1
answer
no
votes
2020-02-15 01:11:59 -0600
berak
error: ‘imread’ was not declared in this scope
opencv
c++
ubuntu
450
views
1
answer
no
votes
2020-03-29 05:13:52 -0600
ComputerVisionary
Haar Cascade Classifier
opencv
cvHaarCascade
170
views
1
answer
-1
votes
2020-02-16 14:38:42 -0600
LBerger
I'am done my JAVAFX application with opencv,but processing is running slowly?
javafx
658
views
1
answer
no
votes
2020-02-14 04:59:52 -0600
berak
More efficient way to sum several images with Mat
SumImages
1k
views
1
answer
no
votes
2020-03-04 12:57:33 -0600
supra56
way to find Zebra crossing lines
image-processing
1k
views
no
answers
no
votes
2020-02-13 20:47:43 -0600
blorgggg
Stereo Calibration for CharUco Boards?
calibration
stereo
stereo-calibration
95
views
no
answers
no
votes
2020-02-13 08:17:25 -0600
huyle73
Can you help me how to install Opencv on Mac El Capitain ?
opencv
macos
150
views
no
answers
no
votes
2020-02-13 07:53:16 -0600
aquarian-source
is opencv::dnn module(implementing YOLOv3) compatible with ubuntu? [closed]
Yolov3
opencv4.1
ubuntu
1k
views
no
answers
no
votes
2020-02-12 23:22:56 -0600
snehal
Detect image is blur or not
blur
7k
views
1
answer
no
votes
2020-02-13 08:03:24 -0600
wisewolf76
Difference between Camera Matrix and Projection matrix for monocular camera calibration.
cameraCalibration
calibrateCamera
calibration
monocular
547
views
no
answers
no
votes
2020-02-12 15:05:02 -0600
Stephen Luce
Can't build 4.2.0 using homebrew
macos
Homebrew
1k
views
1
answer
no
votes
2020-02-16 09:35:43 -0600
supra56
the code to extract the green boxes from the picture "Python-Interview.jpg" and copy them to a folder.[SOLVED]
opencv
python
computervision
112
views
no
answers
no
votes
2020-02-12 08:55:17 -0600
JWilliams
Is something different being done in ocl.cpp where it would change the behavior of CV_XADD?
opencv_core
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