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
3k
views
2
answers
no
votes
2020-11-14 12:52:52 -0600
Eduardo
At my Wit's End with OpenCV Build from Source, Please Help.
build_opencv_python
4k
views
2
answers
no
votes
2020-11-19 20:07:38 -0600
crackwitz
How to Darken Faint/Dim Gray Text
grayText
darkerText
darkenText
ScannedDoc
5k
views
2
answers
1
vote
2020-12-12 00:13:23 -0600
jacubit
Opencv and OAK on Mac with new chip M1
oak
compatibility
hardware
CPU
mac
apple
2k
views
2
answers
no
votes
2020-12-01 11:24:36 -0600
kbarni
Birdseye transform with getPerspectiveTransform
perspective
1k
views
2
answers
no
votes
2020-12-07 08:03:52 -0600
kbarni
getting out of arguments
argument
92k
views
3
answers
4
votes
2017-01-21 04:49:38 -0600
sturkmen
How can I get frames from my webcam ?
webcam
frame
31k
views
3
answers
7
votes
2014-01-19 09:33:57 -0600
berak
How to build OpenCV with TBB support?
tbb
performance
Multithreading
3k
views
3
answers
2
votes
2018-08-18 02:21:08 -0600
Vajrayudha Ristiawanto
How to train cascade classifier
detection
Haar
cascade
python
training
4k
views
3
answers
4
votes
2012-08-23 08:35:33 -0600
mrgloom
Do inputs of descriptor extractors are required to be grayscale?
descriptor
extractors
1k
views
3
answers
1
vote
2012-12-03 10:22:11 -0600
Bluker
Problem in instalation with vs2010 Windows 7 X64
vs2010
windows
X64
opencv
48k
views
3
answers
2
votes
2012-07-11 03:38:24 -0600
hype
Comparing two images whether same or not
Find
20k
views
3
answers
4
votes
2015-10-20 08:30:16 -0600
amahta
Best method to track multiple objects?
object
Blob-tracking
camshift
tracking
7k
views
3
answers
2
votes
2012-07-16 17:55:45 -0600
Thiago Santos
Using Hue and Saturation to calculate Backprojection of an object
c++
opencv
hue
saturation
4k
views
3
answers
2
votes
2012-09-14 07:15:35 -0600
tmanthey
Installing Sample App / OpenCV Manager
opencv
manager
android
install
20k
views
3
answers
10
votes
2013-12-10 08:56:19 -0600
pklab
finding centroid of a mask
threshold
centroid
mask
moments
9k
views
3
answers
1
vote
2013-11-08 05:31:26 -0600
Adrián Nieto
How was haarcascade_frontalface_alt.xml trained
xml
opencv
threshold
detection
haartraing
11k
views
3
answers
2
votes
2012-09-25 10:39:30 -0600
Kirill Kornyakov
Getting single frames from video with python
videocapture
python
24k
views
3
answers
2
votes
2016-11-01 18:08:41 -0600
amahta
Error in parameter of traincascade?
training
cascade
positives
traincascade
10k
views
3
answers
8
votes
2019-01-09 04:42:35 -0600
pierre_w
LSH matching very slow
lsh
performance
matching
17k
views
3
answers
3
votes
2013-04-04 16:40:18 -0600
bhollis
What format does cv2.solvePnP use for points in Python?
python
solvePnP
8k
views
3
answers
no
votes
2012-08-02 15:05:15 -0600
mms
Simple Opencv program with link error on
link
4k
views
3
answers
3
votes
2013-12-12 18:02:39 -0600
dma
good result or bad result for findHomography
homography
svd
2k
views
3
answers
2
votes
2012-11-05 11:26:09 -0600
Emmanuel
Is FREAK scale and rotation invariant?
freak
7k
views
3
answers
no
votes
2012-11-03 08:49:11 -0600
sammy
Camera is not working in OpenCV on Ubuntu 12.04 with version 2.3.1 or 2.4.2
camera
cameras
webcam
webcamera
example
2k
views
3
answers
no
votes
2013-02-03 09:16:27 -0600
Hongbo Miao
MSER Sample in OpenCV 2.4.2 on Visual Studio 2012
contour
contours
MSER
2.4.2
ellipse
Opencv2.4.2
1k
views
3
answers
1
vote
2012-10-09 05:23:08 -0600
karthi
How to create a new OpenCV4Android project using Eclipse
Eclipse
android
7k
views
3
answers
2
votes
2013-07-10 00:07:28 -0600
AnthonyKeane
[Android - Native Camera] Setting ISO (and other camera parameters)
opencv4android
camera
android
native
818
views
3
answers
1
vote
2012-12-05 13:29:15 -0600
Szippy
Nvidia Geforce 520M vs 540M for OpenCV
nvidia
hardware
1k
views
3
answers
1
vote
2012-09-08 12:26:55 -0600
arnold780114
How to get the descriptor value from "SiftDescriptorExtractor"?
get
the
descriptor
value
15k
views
3
answers
no
votes
2013-04-22 01:22:55 -0600
carolinenew
Resizing an image
opencv
« previous
1
...
975
976
977
978
979
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×5
android
×3
python
×3
camera
×2
cascade
×2
descriptor
×2
detection
×2
hardware
×2
performance
×2
threshold
×2
training
×2
webcam
×2
2.4.2
×1
apple
×1
argument
×1
Blob-tracking
×1
build_opencv_python
×1
c++
×1
cameras
×1
camshift
×1
centroid
×1
compatibility
×1
contour
×1
contours
×1
CPU
×1
darkenText
×1
darkerText
×1
Eclipse
×1
ellipse
×1
example
×1
extractors
×1
Find
×1
frame
×1
freak
×1
get
×1
grayText
×1
Haar
×1
haartraing
×1
homography
×1
hue
×1
install
×1
link
×1
lsh
×1
mac
×1
manager
×1
mask
×1
matching
×1
moments
×1
MSER
×1
Multithreading
×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
×