First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity ▼
answers
votes
32,773 questions
Tagged
4
views
no
answers
no
votes
2020-03-31 16:25:07 -0500
noshky
PnP pose estimation using undistorted images?
solvePnP
Undistort
camera-pose
11
views
no
answers
no
votes
2020-03-31 12:18:09 -0500
laurent
Count cells on image using python and OpenCV
contours
opencv
python
12
views
no
answers
no
votes
2020-03-31 11:07:09 -0500
wwwzhuanli
fps is not right when i save video from camera
camera
28
views
1
answer
no
votes
2020-03-31 10:39:07 -0500
AnthonGar
How to calculate the angle relative to the camera - python
pose-estimation
opencv
python
7
views
no
answers
no
votes
2020-03-31 09:55:23 -0500
crusaderxx
Detect specific parts of car - painted area
carDetection
8
views
no
answers
no
votes
2020-03-31 09:52:41 -0500
erich
I want to use opencv inside a QWidget on an QMainwindow interactively
interaction
pyqt5
9
views
1
answer
no
votes
2020-03-31 09:46:21 -0500
berak
OpenCV VideoCapture Android
android#opencv
17
views
no
answers
no
votes
2020-03-31 04:36:07 -0500
snehal
Change Image opacity
c++
opencv
7
views
no
answers
no
votes
2020-03-31 03:32:13 -0500
lingfan
different results on Android platform while using Imgcodecs.imread() and Utils.BitmapToMat()
android
image-read
42
views
1
answer
no
votes
2020-03-30 19:48:08 -0500
anitarentz
I need help to install openCV
opencv#c++#Install
20
views
no
answers
no
votes
2020-03-30 10:15:02 -0500
dernanmi34
OpenCV forward() inference size is different between python and c++
dnn.forward
11
views
no
answers
no
votes
2020-03-30 08:54:27 -0500
4ndre
Fisheye un-distort on Android
android
fisheye
distortion
remap
17
views
1
answer
no
votes
2020-03-30 08:23:37 -0500
berak
i don't find C:\projects\opencv-python\opencv\modules\highgui\src\window.cpp
anaconda
opencv
window
19
views
no
answers
no
votes
2020-03-30 08:14:42 -0500
Feedz
How to save OpenCV image in MySQL database?
python
mysqlopencv
cv2
30
views
1
answer
no
votes
2020-03-30 03:46:09 -0500
berak
Turn HFS result into Contours
segmentation
hfs
python
30
views
no
answers
no
votes
2020-03-29 21:11:36 -0500
redhwan
Algorithm recommendation for image texture
texturere
python
20
views
no
answers
no
votes
2020-03-29 13:14:18 -0500
Defloyd
Incorrect image from RGBA data [closed]
imwrite
Mat
opencv4nodejs
3k
views
2
answers
6
votes
2020-03-29 10:31:54 -0500
ComputerVisionary
Missing HOG Cascade in Ver 3
HOG
19
views
no
answers
no
votes
2020-03-29 08:24:30 -0500
StressedOutBox
Opencv JS - extracting skin tones
opencvjs
10
views
no
answers
no
votes
2020-03-29 06:36:03 -0500
Aquas
Inverse Matrix from a Decomposehomography [closed]
opencv
decomposehomography
rodrigues
inverse
invert
1k
views
3
answers
no
votes
2020-03-29 06:10:32 -0500
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
66
views
1
answer
no
votes
2020-03-29 06:08:41 -0500
ComputerVisionary
Training Haar cascades for face detection..
haartraning
Facedetection
trainData
314
views
1
answer
no
votes
2020-03-29 06:05:47 -0500
ComputerVisionary
how to solve problem of low fps in OpenCV
c++
opencv
Facedetection
FaceRecognizer
eye
recognition
8k
views
2
answers
no
votes
2020-03-29 05:55:55 -0500
ComputerVisionary
traincascade's error (Required leaf false alarm rate achieved. Branch training terminated.)
traincascade
87
views
1
answer
no
votes
2020-03-29 05:51:41 -0500
ComputerVisionary
Cannot detect cars
cascadeclassifier
createsamples
opencv_annotation
215
views
2
answers
no
votes
2020-03-29 05:44:06 -0500
ComputerVisionary
[OSX] Can't find opencv_createsamples & opencv_traincascade
createsample
OSX
115
views
2
answers
no
votes
2020-03-29 05:24:53 -0500
ComputerVisionary
Passengers counting in car using opencv
objectdetection
Facedetection
persondetection
29
views
no
answers
no
votes
2020-03-29 05:22:38 -0500
andrei186
OpenCV Python No module named 'cv2'
workon
command
not
found
73
views
1
answer
no
votes
2020-03-29 05:21:45 -0500
ComputerVisionary
How to tracking multiple vehicle (e.g car and motorcycle) using haar cascade classifier?
cv#opencv#python
33
views
1
answer
no
votes
2020-03-29 05:17:01 -0500
ComputerVisionary
Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?
cascadeclassifier
c++
opencv
runat
setimage
classification
1
2
3
4
5
...
1093
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×7
python
×5
c++
×3
Facedetection
×3
android
×2
cascadeclassifier
×2
haartraning
×2
anaconda
×1
android#opencv
×1
beginner
×1
camera
×1
camera-pose
×1
carDetection
×1
classification
×1
command
×1
contours
×1
createsample
×1
createsamples
×1
cv2
×1
cv#opencv#python
×1
decomposehomography
×1
distortion
×1
dnn.forward
×1
eye
×1
FaceRecognizer
×1
fisheye
×1
found
×1
Haar
×1
hfs
×1
HOG
×1
image-read
×1
imwrite
×1
interaction
×1
inverse
×1
invert
×1
Mat
×1
mysqlopencv
×1
not
×1
objectdetection
×1
opencv4nodejs
×1
opencv_annotation
×1
opencv#c++#Install
×1
opencvjs
×1
OSX
×1
persondetection
×1
pose-estimation
×1
pyqt5
×1
recognition
×1
remap
×1
rodrigues
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
