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 »
relevance
date ▲
activity
answers
votes
316 questions
Tagged
2k
views
1
answer
1
vote
2013-06-18 10:15:54 -0600
berak
The contours in drawcontours is closed or not?
findContours
drawContours
1k
views
1
answer
no
votes
2014-09-11 04:35:40 -0600
coco
Help me to track the mistake for measuring angles in opencv
#opencv
#videocapture
Angle
3k
views
no
answers
no
votes
2013-06-24 01:54:39 -0600
Shaban
How to detect the direction of moving objects?
motion
moving
direction
detection
1k
views
2
answers
1
vote
2013-06-25 21:43:47 -0600
Shaban
Error in BackgroundSubtraction Mog2
#opencv
C++.OpenCV
368
views
no
answers
no
votes
2013-06-27 06:27:14 -0600
burakim
Opencv Contour Error
#opencv
3k
views
2
answers
1
vote
2015-03-03 06:07:12 -0600
Shinigami
How to do Background substraction
BackgroundSubtractor
30k
views
3
answers
no
votes
2020-06-07 21:00:14 -0600
supra56
Measuring the dimension(height and width) of an object.
#opencv
4k
views
2
answers
-1
votes
2013-07-03 10:35:22 -0600
SR
Measure the Length and Width of the bounding Box
#opencv
3k
views
1
answer
no
votes
2013-08-05 13:16:04 -0600
berak
call of overloaded ‘Point_(cv::Point2f&)’ is ambiguous
#openCV2.4.6
#c++
#cvpoint
7k
views
1
answer
no
votes
2013-08-14 02:33:16 -0600
StevenPuttemans
Fill the outer part of the detected contour/crop the detected contour
#opencv
39k
views
2
answers
no
votes
2013-08-27 03:07:31 -0600
lenteken
Best method to count the black and white pixels of the image.
count-pixels
mask
19k
views
1
answer
2
votes
2013-08-26 10:04:01 -0600
lenteken
Count the pixel (black or white) in real time.
real-time
contours
count-pixels
1k
views
1
answer
no
votes
2013-09-11 04:17:54 -0600
Moster
Displaying radius of a circle
radius
circle
6k
views
1
answer
no
votes
2013-09-16 05:47:52 -0600
Siegfried
Get all points inside a rectangle using opencv findcontour method
android
opencv
5k
views
1
answer
1
vote
2013-09-29 16:35:44 -0600
Psidium
Detecting text in sheet of paper
ios
Text
sheet
paper
714
views
no
answers
2
votes
2013-10-01 17:41:14 -0600
stereomatching
Detect multiple similar objects in a bunch of still images
Overlooked
30k
views
1
answer
no
votes
2013-09-30 02:54:00 -0600
Michael Burdinov
fill contour with drawContours
drawContours
inside
contour
1k
views
2
answers
no
votes
2013-10-03 03:53:32 -0600
Pedro Batista
best way for detecting contour
detecting_square
ios
drawContours
4k
views
1
answer
no
votes
2013-10-03 03:49:09 -0600
Moster
OpenCV Error: Assertion failed BLA BLA BLA in unknown function...
Color
mat.hpp
assertion
error
contour
average
50k
views
1
answer
1
vote
2013-10-03 09:03:04 -0600
Michael Burdinov
copy part of a image Mat to another one
join
Mat
roi
copyTo
863
views
no
answers
no
votes
2013-10-03 05:22:05 -0600
Jorge Pereira
Stretch all of the image rows in order to make them of constant length
#opencv#c++
stretch
768
views
1
answer
no
votes
2013-10-05 05:26:05 -0600
Guanta
problem with contour - Invalid address specified to RtlValidateHeap
contours
vector
4k
views
no
answers
no
votes
2013-10-08 00:44:40 -0600
Shaban
How to create an array of Mat by the number of frame?
array
Mat
frame
number
1k
views
no
answers
1
vote
2013-10-14 07:51:15 -0600
Robionic
Masking the area outside a 2D set of grid points OpenCV
2dgrid
mask
2.4.6
5k
views
1
answer
1
vote
2013-11-27 06:07:53 -0600
Haris
How to Erode the border and get rectangel shape?
image
processing
530
views
1
answer
no
votes
2013-12-04 18:19:54 -0600
Shaban
How to take "cv::Mat frame" inside contours?
frame
contours
432
views
1
answer
no
votes
2013-12-05 23:28:36 -0600
Haris
How to do proper thresholding?
Thresholding
5k
views
1
answer
no
votes
2014-07-20 17:13:57 -0600
schmaedech
How to resize boundingRect to fix size?
resize
boundingRect
contours
detectMultiScale
2k
views
1
answer
1
vote
2013-12-11 11:12:56 -0600
bpp
how to draw rectangles from find countours
FindContour
rectangle
1k
views
2
answers
5
votes
2013-12-22 02:54:36 -0600
mtourne
Filtering out coast line
canny
edges
coastline
segmentation
polygon
« previous
1
2
3
4
5
...
11
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
#opencv
×6
contours
×4
drawContours
×3
contour
×2
count-pixels
×2
frame
×2
ios
×2
mask
×2
Mat
×2
2.4.6
×1
2dgrid
×1
android
×1
Angle
×1
array
×1
assertion
×1
average
×1
BackgroundSubtractor
×1
boundingRect
×1
#c++
×1
canny
×1
circle
×1
coastline
×1
Color
×1
C++.OpenCV
×1
copyTo
×1
#cvpoint
×1
detecting_square
×1
detection
×1
detectMultiScale
×1
direction
×1
edges
×1
error
×1
FindContour
×1
findContours
×1
image
×1
inside
×1
join
×1
mat.hpp
×1
motion
×1
moving
×1
number
×1
opencv
×1
#openCV2.4.6
×1
#opencv#c++
×1
Overlooked
×1
paper
×1
polygon
×1
processing
×1
radius
×1
real-time
×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
×