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
1k
views
no
answers
no
votes
2019-09-18 05:38:29 -0600
ArthurAttout
undefined reference to 'cv::imwrite with Android SDK [closed]
imwrite
alpr
174
views
no
answers
no
votes
2019-09-18 04:36:36 -0600
LBerger
discrete_fourier_transform sample error in opencv4.1.1
dft
opencv
4.1.1
563
views
1
answer
no
votes
2019-09-18 04:06:58 -0600
Kitnos
Separate red and red reflection from an object
c++
HSV
425
views
no
answers
no
votes
2019-09-18 02:03:09 -0600
Raki
Getting the coordinates of intense non-black pixels
coordinates
non-black
Color
RGB
1k
views
no
answers
no
votes
2019-09-18 01:55:39 -0600
bnbhehe
OpenCV dnn - Squeeze & Excitation Module freezing
dnn
frozen_model
dnn.forward
getMemoryShape
tensorflow
keras-tf-opencv
475
views
1
answer
no
votes
2019-09-17 18:29:45 -0600
Witek
Detect objects in real time video with least latency
objectdetection
608
views
no
answers
no
votes
2019-09-17 16:51:51 -0600
Tina J
OpenCV 4: 'CAP_PROP_POS_FRAMES' was not declared in this scope
CAP_PROP_FPS
CAP_PROP_POS_FRAMES
749
views
1
answer
no
votes
2019-09-17 13:15:59 -0600
vasanthahr
Getting new cv.Point2fVector() is not a constructor error in opencvjs
opencvjs
javascript
2k
views
1
answer
no
votes
2019-09-17 10:38:09 -0600
Spinner79
cmake build error on raspbian raspberry pi 4
cmake-error
607
views
1
answer
1
vote
2019-09-17 07:41:51 -0600
maxp
Image recognition on photo
image-recognition
matching
640
views
no
answers
no
votes
2019-09-17 07:16:18 -0600
bob mu
Python opencv writes frames to videos, memcpy errors leading to segmentation errors
cv2.VideoWrite
MPEG
segmentation
python
cv2
253
views
no
answers
1
vote
2019-09-17 04:08:56 -0600
hddsdd
how to merge (stitch) 2 images without black points in opencv c++
stitching
2k
views
no
answers
1
vote
2019-09-16 09:20:15 -0600
brendanlb
OpenCV fisheye calibration error
fisheye
calibration
error
c++
674
views
2
answers
no
votes
2019-09-16 06:05:43 -0600
Harsh1307
OpenCV failure while executing stitching in GPU [closed]
opencv
2k
views
1
answer
no
votes
2019-09-15 17:02:31 -0600
Glerp
LNK2019 error only on debug compilation [closed]
LNK2019
Debug
release
visual
studio
2017
1k
views
no
answers
no
votes
2019-09-15 14:11:06 -0600
JeyP4
Is YUV2BGR_NV12 conversion necessary to imshow an YUV image?
opencv3
YUV
nv12
imshow
cvtColor
59k
views
2
answers
4
votes
2019-09-15 10:04:34 -0600
sturkmen
How to access data from a cv::Mat
Mat
Matpixel-access
80
views
no
answers
no
votes
2019-09-15 03:15:12 -0600
TheBotanist
Having Trouble Calibrating Stereo Fisheye/Undistorting Image
stereocalibrate
1k
views
1
answer
1
vote
2019-09-14 20:18:26 -0600
sjhalayka
How I know the temperature scheme for COLORMAP_JET?
colormap
temperature
4k
views
no
answers
2
votes
2019-09-14 09:10:23 -0600
wva
Determine orientation of an product for pick and place
python
opencv
orientation
Angle
calculation
575
views
2
answers
no
votes
2019-09-14 00:11:32 -0600
holger
import cv2 error in python
python
opencv
602
views
1
answer
no
votes
2019-09-13 04:27:40 -0600
kbarni
Working on GPU in a generic way
gpu
929
views
no
answers
no
votes
2019-09-13 02:49:00 -0600
MHZ
Color detection and OCR
python
opencv
160
views
1
answer
no
votes
2019-09-12 16:21:13 -0600
David Palacios
32 bit open CV build libraries
32Bit#opencv4.0
3k
views
1
answer
no
votes
2019-09-12 15:45:43 -0600
Witek
finding distance between car on real-time
opencv
distance
116
views
no
answers
no
votes
2019-09-12 07:07:32 -0600
amirps
Using LDA as a features reduction method
lda
c++
unsupervised
clustering
123
views
no
answers
no
votes
2019-09-12 05:14:16 -0600
devsit
crack detection using opencv and java [closed]
crack
862
views
1
answer
no
votes
2019-09-11 18:50:21 -0600
AndreaF
Why previous version OpenCV sample freezes with a black screen after update form 3.4.3 to 4.1.1?
android
opencv
253
views
1
answer
no
votes
2019-09-11 17:35:04 -0600
cancerberosgx
Is there any autogenerate code for emscripten binding?
c++
opencv
js
289
views
no
answers
no
votes
2019-09-11 17:26:37 -0600
cancerberosgx
js deleteLater
js
Emscripten
embind
delete
deletelater
« previous
1
...
92
93
94
95
96
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×8
c++
×4
python
×4
js
×2
2017
×1
32Bit#opencv4.0
×1
4.1.1
×1
alpr
×1
android
×1
Angle
×1
calculation
×1
calibration
×1
CAP_PROP_FPS
×1
CAP_PROP_POS_FRAMES
×1
clustering
×1
cmake-error
×1
Color
×1
colormap
×1
coordinates
×1
crack
×1
cv2
×1
cv2.VideoWrite
×1
cvtColor
×1
Debug
×1
delete
×1
deletelater
×1
dft
×1
distance
×1
dnn
×1
dnn.forward
×1
embind
×1
Emscripten
×1
error
×1
fisheye
×1
frozen_model
×1
getMemoryShape
×1
gpu
×1
HSV
×1
image-recognition
×1
imshow
×1
imwrite
×1
javascript
×1
keras-tf-opencv
×1
lda
×1
LNK2019
×1
Mat
×1
matching
×1
Matpixel-access
×1
MPEG
×1
non-black
×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
×