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 ▲
70 questions
Tagged
947
views
no
answers
no
votes
2016-02-23 10:16:35 -0600
LMia
License plate position through green rectangles
c++
opencv
868
views
no
answers
no
votes
2013-01-17 07:43:52 -0600
theodore
Understanding the blobtrack_sample.cpp modules
tracking
opencv
modules
blob
2k
views
no
answers
no
votes
2018-04-26 03:11:01 -0600
Kailash
Extract text and bounding-box using OpenCV
opencv
extract-text
imageprocessing
Bounding_Box
127
views
no
answers
no
votes
2017-04-01 13:17:51 -0600
meg
How to set 'nmixures' and 'bShadowDetection' values in 'BackgroundSubtractorMOG2'?
video#opencv3.1#c++
864
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
702
views
no
answers
no
votes
2016-06-21 11:59:09 -0600
andreahmed
detecting a pallet in forklift
cvFindContours
4k
views
no
answers
no
votes
2015-06-29 06:32:06 -0600
StevenPuttemans
opencv 3.0.0 compiling errors
Facedetection
513
views
no
answers
no
votes
2020-09-02 08:09:49 -0600
denisPomidor
A question about the 'floodFill()' function.
FindContour
CV_RETR_FLOODFILL
369
views
no
answers
no
votes
2013-06-27 06:27:14 -0600
burakim
Opencv Contour Error
#opencv
618
views
no
answers
no
votes
2016-06-13 17:52:59 -0600
Damian3395
Detecting Documents On White Surface
objectiveC
document
Scanner
1k
views
no
answers
no
votes
2015-06-09 01:30:51 -0600
Nina
Could not perform 'fill' using draw contours
opencv
ios
drawContours
835
views
no
answers
no
votes
2015-01-21 19:20:55 -0600
KansaiRobot
Watershed problems.
watershed
markers
1k
views
no
answers
no
votes
2017-04-15 16:19:40 -0600
AndreyPavlov
How to calculate number of people counting inside/outside in shop?
opencv
people
crossline
c++
761
views
no
answers
no
votes
2018-04-23 16:28:52 -0600
ritesh1996
Is there any python code for Camera Tampering detection using opencv?
opencv
python
507
views
no
answers
no
votes
2016-06-26 08:53:14 -0600
Gesture Rec
How to count Convexity Defects ?
hand-detection
convexityDefects
1k
views
no
answers
no
votes
2018-12-07 10:56:14 -0600
sreevathsabr
Facing Problem in drawing counters for resized Image
contour
226
views
no
answers
no
votes
2016-06-04 07:59:57 -0600
Major Squirrel
Some kind of frameception or frame glitches on multiple platforms
c++
frame
inception
image-processing
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
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
3k
views
no
answers
no
votes
2014-10-28 20:38:02 -0600
tim obrien
error:Only 8-bit 1-channel and 3-channel input/output images are
cvInpaint
148
views
no
answers
no
votes
2018-03-23 01:57:46 -0600
santhosh21
How to add the points[4] to the contours by using opencv framework
rotatedrect
4k
views
no
answers
no
votes
2013-06-17 05:15:06 -0600
wuling
About contours of the blob,area of blob's hole and contours hierarchy
findContours
blob
area
drawContours
contourArea
558
views
no
answers
no
votes
2018-02-20 09:19:03 -0600
Marko5280
How do I find a vertical line in a image?
java
opencv
image
312
views
no
answers
no
votes
2018-04-29 05:05:31 -0600
bennog
extract flower buds in x-ray image
X-ray
threshold
c++
138
views
no
answers
no
votes
2018-06-08 09:20:05 -0600
garbalawal
FindContour does not get all contour
FindContour
c++
17k
views
no
answers
no
votes
2017-09-22 11:53:05 -0600
Intoxica
Undefined Reference to cv::
undefined_references
6k
views
no
answers
no
votes
2017-12-27 05:02:05 -0600
Akash Budhia
drawContours as is, not filled, not just outline
drawContours
CV_FILLED
Overlooked
157
views
no
answers
no
votes
2017-05-04 10:43:45 -0600
eipoa
is the sigmoid kernel in SVM same as it in LIBSVM?
SVM
sigmoid
drawcontour
1k
views
no
answers
1
vote
2019-08-14 10:03:11 -0600
antithing
Calculate extrinsics between two cameras using FindHomography?
findHomography
solvePnP
extrinsic
stereo
drawcontour
4k
views
no
answers
1
vote
2016-08-02 06:14:55 -0600
avpai
counting the number of child contours inside a contour in opencv
c++
opencv
contours
FindContour
hierarchy
image-processing
« previous
1
2
3
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×8
c++
×6
drawContours
×3
FindContour
×3
blob
×2
drawcontour
×2
frame
×2
image-processing
×2
area
×1
array
×1
Bounding_Box
×1
contour
×1
contourArea
×1
contours
×1
convexityDefects
×1
crossline
×1
CV_FILLED
×1
cvInpaint
×1
CV_RETR_FLOODFILL
×1
detection
×1
direction
×1
document
×1
extract-text
×1
extrinsic
×1
Facedetection
×1
findContours
×1
findHomography
×1
hand-detection
×1
hierarchy
×1
image
×1
imageprocessing
×1
inception
×1
ios
×1
java
×1
markers
×1
Mat
×1
modules
×1
motion
×1
moving
×1
number
×1
objectiveC
×1
#opencv
×1
#opencv#c++
×1
Overlooked
×1
people
×1
python
×1
rotatedrect
×1
Scanner
×1
sigmoid
×1
solvePnP
×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
×