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29,830 questions
Tagged
3k
views
2
answers
no
votes
2020-04-02 12:21:42 -0600
crackwitz
How to delay programm without stopping video feed in Python3
python3
opencv
wificam
995
views
1
answer
1
vote
2020-04-02 12:06:16 -0600
crackwitz
Is the output of approxPolyDP(c) a subset of the input contour c?
approxPolyDP
approximation
667
views
1
answer
no
votes
2020-04-02 10:27:33 -0600
HagymaGyilkos
how to find centroid, area, orientation of a particular region in an image
python
5k
views
1
answer
no
votes
2020-04-02 03:36:47 -0600
berak
How to solve error: (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::de
opencv
python
python3.7
opencv4.1.2
2k
views
no
answers
no
votes
2020-04-02 01:41:02 -0600
AnthonGar
How to calculate the angle relative to the camera - python
pose-estimation
opencv
python
231
views
no
answers
no
votes
2020-04-01 07:41:20 -0600
jhj
Can't I build another version?
shared
56
views
no
answers
no
votes
2020-04-01 07:33:43 -0600
quadro
Merging low-angleillumination frames to edge-image
low-angle
edge
1k
views
no
answers
no
votes
2020-04-01 05:20:28 -0600
Prashant.bhatt
How to open rtsp videostream from ip cam using Opencv JS
opencvjs
105
views
no
answers
no
votes
2020-04-01 04:26:12 -0600
Hugo117
Can i reframe a square according to a square model with openCV ?
square
142
views
no
answers
no
votes
2020-04-01 03:10:45 -0600
erich
I want to use opencv inside a QWidget on an QMainwindow interactively
interaction
pyqt5
1k
views
no
answers
no
votes
2020-03-31 16:25:07 -0600
noshky
PnP pose estimation using undistorted images?
solvePnP
Undistort
camera-pose
3k
views
no
answers
no
votes
2020-03-31 12:18:09 -0600
laurent
Count cells on image using python and OpenCV [closed]
contours
opencv
python
3k
views
no
answers
no
votes
2020-03-31 11:07:09 -0600
wwwzhuanli
fps is not right when i save video from camera
camera
280
views
no
answers
no
votes
2020-03-31 09:55:23 -0600
crusaderxx
Detect specific parts of car - painted area
carDetection
417
views
1
answer
no
votes
2020-03-31 09:46:21 -0600
berak
OpenCV VideoCapture Android
android#opencv
1k
views
no
answers
no
votes
2020-03-31 04:36:07 -0600
snehal
Change Image opacity
c++
opencv
965
views
no
answers
no
votes
2020-03-31 03:32:13 -0600
lingfan
different results on Android platform while using Imgcodecs.imread() and Utils.BitmapToMat()
android
image-read
248
views
1
answer
no
votes
2020-03-30 19:48:08 -0600
anitarentz
I need help to install openCV
opencv#c++#Install
477
views
no
answers
no
votes
2020-03-30 10:15:02 -0600
dernanmi34
OpenCV forward() inference size is different between python and c++
dnn.forward
621
views
no
answers
no
votes
2020-03-30 08:54:27 -0600
4ndre
Fisheye un-distort on Android
android
fisheye
distortion
remap
3k
views
1
answer
no
votes
2020-03-30 08:23:37 -0600
berak
i don't find C:\projects\opencv-python\opencv\modules\highgui\src\window.cpp
anaconda
opencv
window
309
views
1
answer
no
votes
2020-03-30 03:46:09 -0600
berak
Turn HFS result into Contours
segmentation
hfs
python
135
views
no
answers
no
votes
2020-03-29 21:11:36 -0600
redhwan
Algorithm recommendation for image texture
texturere
python
259
views
no
answers
no
votes
2020-03-29 13:14:18 -0600
Defloyd
Incorrect image from RGBA data [closed]
imwrite
Mat
opencv4nodejs
4k
views
2
answers
6
votes
2020-03-29 10:31:54 -0600
ComputerVisionary
Missing HOG Cascade in Ver 3
HOG
446
views
no
answers
no
votes
2020-03-29 08:24:30 -0600
StressedOutBox
Opencv JS - extracting skin tones
opencvjs
288
views
no
answers
no
votes
2020-03-29 06:36:03 -0600
Aquas
Inverse Matrix from a Decomposehomography [closed]
opencv
decomposehomography
rodrigues
inverse
invert
4k
views
3
answers
no
votes
2020-03-29 06:10:32 -0600
ComputerVisionary
Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?
haartraning
Haar
beginner
403
views
1
answer
no
votes
2020-03-29 06:08:41 -0600
ComputerVisionary
Training Haar cascades for face detection..
haartraning
Facedetection
trainData
1k
views
1
answer
no
votes
2020-03-29 06:05:47 -0600
ComputerVisionary
how to solve problem of low fps in OpenCV
c++
opencv
Facedetection
FaceRecognizer
eye
recognition
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