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
2019-10-24 01:50:16 -0600
FatalException
VideoCapture from camera works only in debug (Python)
python
videocapture
135
views
no
answers
no
votes
2019-10-24 02:09:13 -0600
Tejashree
How to add openMP changes openCV source (eg. DetectMultiscale function))
opencv
openmp
ubuntu
build
207
views
no
answers
no
votes
2019-10-24 04:12:47 -0600
Roysorus
What's the size of the patch used to get a feature with HarrisLaplaceFeatureDetector
feature-detection
HarrisLaplace
373
views
no
answers
no
votes
2019-10-24 04:42:28 -0600
Taka
Fuse ARCore with OpenCV to persistently store an ARSession
ArCore
138
views
no
answers
no
votes
2019-10-25 09:33:52 -0600
holger
ML Opencv Question [closed]
dnn
bbox
prediction
470
views
no
answers
no
votes
2019-10-28 08:03:54 -0600
supra56
Face Detection is not detected using detectMultiScale when GPU is enabled
opencv3
Facedetection
detectMultiScale
cudaGpuMat
79
views
no
answers
no
votes
2019-10-25 05:57:46 -0600
Ruslan
Integrate OpenCV with IDE's [closed]
opencv
IDE
Eclipse
cbuilder
1k
views
1
answer
no
votes
2019-10-28 11:11:56 -0600
supra56
cv2.VideoCapture() importing file seq. with numbers on the name. Is this a bug?
cv2.videocapture
python
1k
views
no
answers
no
votes
2019-10-25 07:19:01 -0600
Dimitar Veljanovski
SIFT detectAndCompute works but throws an error
opencv
c++
SIFT
detectandcompute
164
views
no
answers
no
votes
2019-10-25 09:04:48 -0600
thewoz
Calibrate Camera without moving R and T
calibrateCamera
calibration
183
views
no
answers
no
votes
2019-10-25 11:31:21 -0600
haaam
How to estimate Extrinsic Params about fisheye
calibrate
fisheye
extrinsic
6k
views
2
answers
no
votes
2020-02-25 08:03:19 -0600
Imran B
resize in cuda from python.
CUDA
python
4.1.1
resize
1k
views
1
answer
no
votes
2019-10-26 21:25:01 -0600
supra56
Why is am I getting this message when attempting to access video feed from a webcam?
python#webcam
290
views
no
answers
no
votes
2019-10-26 06:00:35 -0600
Shishigami
Issue writing Mat3b to GStreamer UDP sink
c++
opencv
gstreamer
realsense
386
views
no
answers
no
votes
2019-10-26 15:57:13 -0600
hernancrespo
How to implement plateau limit histogram equalization? [closed]
histogram
Matlab
imageprocessing
histogram_pdf
110
views
no
answers
no
votes
2019-10-26 19:21:10 -0600
masterenol
MSI Workstation Laptop or MSI Gaming Laptop for best color tracking and Unreal Engine performance? [closed]
laptop
colortracking
unreal
augmentedReality
25k
views
1
answer
no
votes
2019-10-26 19:23:42 -0600
adi1525
Video from IP camera can't find starting number cv::icvExtractPattern
webcam
c++
opencv
http
opencv#ipcamera
2k
views
no
answers
no
votes
2019-10-26 21:28:22 -0600
supra56
/usr/bin/ld: /usr/local/lib64/libopencv_imgcodecs.so.4.1.1: undefined reference to `Imf_2_3::InputFile::InputFile(char const*, int)' [closed]
undefined
reference
123
views
no
answers
no
votes
2019-10-27 02:17:47 -0600
Martian
What does cmake/make do with Python folders designated during build
cmake
cmake-gui
python
404
views
no
answers
no
votes
2019-10-27 04:11:21 -0600
daisuke
ld: library not found for -lopencv_xfeatures2d.4.1
notfound
opencv_contrib
xfeatures2d
xcode
507
views
no
answers
no
votes
2019-10-27 11:05:03 -0600
Alexis85
Garden motion false positives due to trees and lighting
motion
motion-detection
outdoor
561
views
no
answers
no
votes
2019-10-27 11:57:03 -0600
Riptide
Obtaining Coordinate from image and labeling multiple objects
CaptureVideo
edgedetection
detection
coordinate-system
opencv
python
1k
views
no
answers
no
votes
2019-10-27 14:57:03 -0600
virilo
reduce interest area for image stitching
image-stitching
729
views
no
answers
no
votes
2019-10-28 09:01:40 -0600
shariq_azim
video decode of stream from bytearray with opencv.js
OpenCV.js
5k
views
1
answer
no
votes
2019-10-28 11:42:53 -0600
supra56
isOpened() returns false on files
cv2
python
Open
Video
4k
views
1
answer
no
votes
2019-10-30 11:54:17 -0600
JeyP4
How to Undistort fisheye image into max bounding rectangle?
opencv4
python3.7
fisheye
Undistort
653
views
1
answer
no
votes
2019-10-29 00:47:50 -0600
berak
stereoBM and SGBM not working
stereoBM
StereoSGBM
disparity
map
3dreconstruction
3k
views
1
answer
no
votes
2019-10-29 10:18:55 -0600
berak
How to get number of contours
c++
contours
counting
971
views
1
answer
no
votes
2019-10-29 06:33:59 -0600
LBerger
Opencv 4.1.1 can't find opencv_modules.h
open4.1.1
200
views
no
answers
no
votes
2019-10-29 05:36:17 -0600
rehans516
how to detect humans in thermovision images?
Predict
human
computervision
deep-learning
« previous
1
...
881
882
883
884
885
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×6
python
×6
c++
×4
fisheye
×2
3dreconstruction
×1
4.1.1
×1
ArCore
×1
augmentedReality
×1
bbox
×1
build
×1
calibrate
×1
calibrateCamera
×1
calibration
×1
CaptureVideo
×1
cbuilder
×1
cmake
×1
cmake-gui
×1
colortracking
×1
computervision
×1
contours
×1
coordinate-system
×1
counting
×1
CUDA
×1
cudaGpuMat
×1
cv2
×1
cv2.videocapture
×1
deep-learning
×1
detectandcompute
×1
detection
×1
detectMultiScale
×1
disparity
×1
dnn
×1
Eclipse
×1
edgedetection
×1
extrinsic
×1
Facedetection
×1
feature-detection
×1
gstreamer
×1
HarrisLaplace
×1
histogram
×1
histogram_pdf
×1
http
×1
human
×1
IDE
×1
imageprocessing
×1
image-stitching
×1
laptop
×1
map
×1
Matlab
×1
motion
×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
×
