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29,830 questions
Tagged
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
2k
views
no
answers
no
votes
2020-02-21 05:39:23 -0600
lobsterman
compiling OpenCV 4.1.1 on ARM64
linux
arm64
239
views
no
answers
no
votes
2020-02-16 09:28:54 -0600
william007
How to get motion vector
motionvectors
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
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
301
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
1
answer
no
votes
2020-02-18 10:00:56 -0600
kbarni
how to detect discontinuity in object boundaries
opencv
c++
js
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
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
779
views
1
answer
no
votes
2020-03-03 17:35:51 -0600
lnx
how to group nearby contours?
opencv
768
views
2
answers
no
votes
2020-02-20 04:45:20 -0600
berak
Detecting changes of image
machine-vision
image-recognition
machine-learning
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
811
views
1
answer
no
votes
2020-03-29 05:11:02 -0600
ComputerVisionary
peak in false positives for detectMultiscale
detectMultiScale
131
views
no
answers
no
votes
2020-02-17 04:20:50 -0600
Massimiliano
Assertion failed calling motionFromEssentialChooseSolution in python
python
SfM
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
203
views
no
answers
no
votes
2020-02-17 09:46:37 -0600
Kakeh
Imaging Experts Help Me
opencv
cctv
ipcamera
4k
views
1
answer
no
votes
2020-02-28 15:40:23 -0600
firebladed
VIDEOIO ERROR: V4L2: Pixel format of incoming image is unsupported by OpenCV
video4linux
pixelformat
403
views
1
answer
no
votes
2020-02-18 04:15:21 -0600
supra56
intermittently get multiple error while reading frame from video capture card using python opencv bindings
opencvpython
406
views
2
answers
no
votes
2020-02-19 14:58:29 -0600
eshirima
how to increase processing speed of YOLO running on QEMUx86-64
tiny-Yolov3
image-processing
399
views
no
answers
no
votes
2020-02-18 19:56:19 -0600
[email protected]
VIDEOIO ERROR: V4L2: Pixel format of incoming image is unsupported by OpenCV Unable to stop the stream: Device or resource busy
C++webcamopencv
960
views
no
answers
no
votes
2020-02-20 00:16:46 -0600
berak
How to create Axis-aligned bounding boxes using Flatten()
objectsboundingbox
objectdetection
deeplearning
2k
views
1
answer
no
votes
2020-02-19 06:38:05 -0600
berak
I am getting Segmentation fault (core dumped)
python
opencv
error
1k
views
no
answers
no
votes
2020-02-24 07:33:12 -0600
Bensuperpc
Issues with Opencv 4.2 and Tensorflow 2.0 [Solve] [closed]
dnn
opencv
python
tensorflow
1k
views
1
answer
no
votes
2020-02-20 07:03:57 -0600
eshirima
Detect the center of a tag
centroid
tag
tracking
track
109
views
no
answers
no
votes
2020-02-19 12:30:13 -0600
Nativate
Error using caffemodel Jupiter notebook
opencv
python
caffemodel
887
views
1
answer
no
votes
2020-03-29 05:05:58 -0600
ComputerVisionary
opencv_traincascade.exe available somewhere?
opencv_traincascade
2k
views
1
answer
no
votes
2020-04-17 03:08:49 -0600
kpachinger
Opencv.js - Background subtraction and replacement in Javascript
backgroundMOG2
mask
opencvjs
1k
views
1
answer
no
votes
2020-02-22 11:03:41 -0600
supra56
Mouse click x and y coordinates are consistently incorrect on Linux[SOLVED]
CV_EVENT_LBUTTONDOWN
DisplayImage
cvSetMouseCallback
593
views
1
answer
no
votes
2020-02-20 03:05:32 -0600
mvuori
Question about .tiff
tiff
266
views
no
answers
no
votes
2020-02-20 03:13:23 -0600
Alex Wijoyo
How to Crop and Wrap Image of Boxes on Top of a Pallet [closed]
WarpPerspective
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