First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity ▼
answers
votes
29,830 questions
Tagged
625
views
no
answers
no
votes
2020-04-13 21:53:17 -0600
supra56
looping kiosk tkinter app with cv2
Tkinter
python
cv2
GUI
opencv
python3
469
views
no
answers
no
votes
2020-04-13 18:35:59 -0600
Noamco3
OpenCV OpenGL AR. tvec x y position incorrect.
cpp
opengl
c++
aruco
augmentedReality
1k
views
1
answer
no
votes
2020-04-13 14:50:45 -0600
Eduardo
Drawing checkerboard's reference frame does not yield correct results (solvePnp+projectPoints)
calibrateCamera
solvePnP
projectPoints
opencv
python
1k
views
1
answer
no
votes
2020-04-13 13:52:12 -0600
alsada
Why gui stop capturing video from camera(opencv with python)?
VideoFaceRecognition
133
views
no
answers
no
votes
2020-04-13 13:19:27 -0600
Max Kim
How to use CylindricalWarper in opencv.js?
Warper
149
views
no
answers
no
votes
2020-04-13 12:58:30 -0600
aramish masud
How to install opencv in Anaconda?
anacondaopencv
1k
views
no
answers
no
votes
2020-04-13 12:28:54 -0600
dhirwinjr
How to best free up DNN and GPU resources when finished?
java
CUDA
dnn
781
views
no
answers
no
votes
2020-04-13 12:01:53 -0600
DarkSkies
2 Euro Coin detector which Country is it? Is it front or backside from this coin?
java
351
views
no
answers
no
votes
2020-04-13 09:56:28 -0600
JackyKoo
How to detect angle of rotation of my target object in the image
rotation
detection
399
views
no
answers
no
votes
2020-04-13 07:24:19 -0600
gageru
problem with detecting dogs and cats from cnn module
caffemodel
dnn
c++
485
views
no
answers
no
votes
2020-04-13 02:08:21 -0600
prostoi chelovek
How to detect foreign objects on a plane?
object_detection
python
shadow-removal
BackgroundSub
389
views
1
answer
no
votes
2020-04-13 01:14:20 -0600
mvuori
when to normalize data [closed]
when
normalize
data
368
views
1
answer
no
votes
2020-04-12 20:42:26 -0600
supra56
Face recognition without deep learning on gpu?
python#cuda#opencv
2k
views
1
answer
no
votes
2020-04-12 08:54:45 -0600
supra56
How can I increase contrast in binary picture?(python)
python
binary
binary-image
contrast
3k
views
1
answer
no
votes
2020-04-12 07:23:34 -0600
supra56
imageio image vs cv image
image-data
230
views
no
answers
no
votes
2020-04-12 01:38:37 -0600
Zana Zakaryaie Nejad
How to add python2 to pre-built OpenCV?
python
cmake
build
source
5k
views
1
answer
no
votes
2020-04-11 17:19:21 -0600
Pasteur Jr
Opencv-python kivy app running in Android - Camera does not open, issued error: (-215: Assertion failed)! _src.empty () in function 'cvtColor'
android
opencv
python
4k
views
2
answers
no
votes
2020-04-11 09:16:33 -0600
supra56
How do i remove background noise in binary picture?
threshold
python
otsu
binary
975
views
no
answers
no
votes
2020-04-11 08:43:32 -0600
carmeltop
gcc: error: long: No such file or directory (!!DENABLE_OPENCV_ALLOCATOR_STATS has set off)
windows7
opencv
64-bitwindows
551
views
no
answers
1
vote
2020-04-11 06:21:32 -0600
lucky
How to detect cracks in an image?
opencv
deep-learning
crack-detection
blob-detection
crack
138
views
no
answers
no
votes
2020-04-11 05:42:51 -0600
amartincv
How to create a OpenCV camera from this parameters?
camera
calibrateCamera
intrinsic
1k
views
1
answer
1
vote
2020-04-11 01:58:25 -0600
hamsolo474
contourArea strange behaviour
contours
contourArea
python
840
views
no
answers
no
votes
2020-04-10 13:56:40 -0600
TWAAL
I need to count the number of pixels that fall into a color range
color-segmentation
Color
colorspace
colortracking
240
views
1
answer
no
votes
2020-04-10 11:27:29 -0600
mvuori
why switch(a) converts char a into int decimal
switch
converts
char
into
int
decimal
568
views
no
answers
no
votes
2020-04-10 08:21:35 -0600
Tyommik
OpenCV::DNN doesn't support conv1d
dnn
pytorch
onnx
209
views
no
answers
no
votes
2020-04-10 05:50:06 -0600
noshky
Linearity of world angles from image pixels
angles
calibrate
903
views
no
answers
no
votes
2020-04-10 05:22:09 -0600
LewsTherin511
OpenCV - object detection on video, elaborate frames in real time
opencvpython
fps
Livestream
1k
views
no
answers
no
votes
2020-04-10 01:37:27 -0600
Sundar_1998
Sneeze and cough detection
face_detection
RaspberryPi
822
views
2
answers
no
votes
2020-04-09 14:29:17 -0600
supra56
I can't draw the contour approximation, I use a green square to take the video but no contour on it.
opencv
picamera
contours
231
views
no
answers
no
votes
2020-04-09 13:25:25 -0600
chchang6
Test failure with opencv_perf_tracking
cvtest
build
« previous
1
...
44
45
46
47
48
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
python
×8
opencv
×6
dnn
×3
binary
×2
build
×2
c++
×2
calibrateCamera
×2
contours
×2
java
×2
64-bitwindows
×1
anacondaopencv
×1
android
×1
angles
×1
aruco
×1
augmentedReality
×1
BackgroundSub
×1
binary-image
×1
blob-detection
×1
caffemodel
×1
calibrate
×1
camera
×1
char
×1
cmake
×1
Color
×1
color-segmentation
×1
colorspace
×1
colortracking
×1
contourArea
×1
contrast
×1
converts
×1
cpp
×1
crack
×1
crack-detection
×1
CUDA
×1
cv2
×1
cvtest
×1
data
×1
decimal
×1
deep-learning
×1
detection
×1
face_detection
×1
fps
×1
GUI
×1
image-data
×1
int
×1
into
×1
intrinsic
×1
Livestream
×1
normalize
×1
object_detection
×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
×
