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
369
views
no
answers
no
votes
2015-07-06 15:36:43 -0600
vitruvius
Measuring the dimension of different objects
measure
dimension
canny
feature-detection
1k
views
1
answer
1
vote
2015-07-01 11:15:52 -0600
sturkmen
Cascade Classifier HAAR / LBP Advice
Haar
python
opencv
927
views
1
answer
1
vote
2015-07-01 20:55:27 -0600
sturkmen
Calibrate a page
square
calibration
checkbox
4k
views
no
answers
no
votes
2015-06-29 06:32:06 -0600
StevenPuttemans
opencv 3.0.0 compiling errors
Facedetection
5k
views
1
answer
1
vote
2015-06-20 04:52:48 -0600
sturkmen
Converting Python to C++
c++
python
389
views
1
answer
no
votes
2015-06-18 09:49:05 -0600
StevenPuttemans
How do I eliminate inner filling of letters?
opencv
c++
image
Text
64k
views
2
answers
6
votes
2015-06-14 07:12:53 -0600
theodore
How to extract tables from an image?
table
detection
extraction
crop
4k
views
1
answer
2
votes
2015-06-06 13:21:47 -0600
Eduardo
get Center of nearby contours ??
contours
kmeans
findContours
dbscan
Noteworthy_Content
1k
views
no
answers
no
votes
2015-06-09 01:30:51 -0600
Nina
Could not perform 'fill' using draw contours
opencv
ios
drawContours
553
views
1
answer
1
vote
2015-06-04 19:05:12 -0600
theodore
creating a rotatedRect in a threshold image
rotatedrect
fitEllipse
Noteworthy_Content
Perfect_Solution
2k
views
1
answer
3
votes
2015-06-04 09:11:24 -0600
Nina
Gap filling in letters
c++
imageprocessing
textdetection
1k
views
1
answer
no
votes
2015-05-21 07:26:18 -0600
valentine
Iris normalization and segmentation in opencv?
iris-detection
5k
views
1
answer
no
votes
2015-05-02 00:25:15 -0600
Eduardo
Problem when calculating the fitted ellipse
contour
fitEllipse
11k
views
1
answer
no
votes
2015-04-23 23:06:44 -0600
cv_new
How to remove the unnecessary line segments from the image?
Hough
linedetection
detection
89
views
no
answers
no
votes
2015-04-19 05:56:07 -0600
berak
measuring height of two color with same border. [closed]
c++
10k
views
1
answer
1
vote
2015-04-16 15:55:32 -0600
theodore
how to detect contours for two or more than two specific colors ?
contours
Color
segmenation
Noteworthy_Content
244
views
no
answers
-1
votes
2015-04-16 10:23:56 -0600
Ironhide526
Hi, I am beginner in OpenCV, so i download it and just for an example copied from the internet Background detection code, and i have only one error
normHamming
features2d
detection
motion-detection
capturefromCAM
opencv
665
views
1
answer
no
votes
2015-04-09 16:27:09 -0600
sturkmen
how to get bounding rectangle on both window??
c++#opencv
1k
views
1
answer
no
votes
2015-04-08 10:58:26 -0600
ClintFromVa
perspectiveTransform on contours?
perspectiveTransform
contours
2k
views
1
answer
-1
votes
2015-04-07 07:45:05 -0600
theodore
Detect not completed triangles
c++
opencv
detect
Complete
triangle
4k
views
3
answers
1
vote
2015-06-05 20:43:49 -0600
theodore
Line segment detection Near horizontal
houghlinesp
lines
segment
detection
579
views
1
answer
no
votes
2015-04-07 05:56:47 -0600
theodore
measuring height of color using pixel. [closed]
c++#opencv
1k
views
1
answer
no
votes
2015-03-31 07:03:30 -0600
FooBar
detect fiducial of dots
fiducials
augmentedReality
3k
views
1
answer
1
vote
2015-10-07 23:37:05 -0600
sevli
How to find Finger tips out of convexity defects
fingersTips
convexityDefects
c++
Opencv3.0
4k
views
1
answer
1
vote
2015-03-30 08:00:04 -0600
Siegfried
Create a mat ROI for each contour blob?
region
contour
multiple
10k
views
1
answer
no
votes
2015-03-27 15:49:59 -0600
theodore
regionprops vs. findContours
Matlab
findContours
squares
detect
shape
6k
views
2
answers
no
votes
2015-03-25 10:16:58 -0600
Guanta
Get number of pixels within a contour
contours
numberofpixels
5k
views
1
answer
1
vote
2015-03-02 09:08:53 -0600
theodore
Implementation Question: How to create bounding boxes around answers on worksheets
implementation
deskewing
standardizing
Noteworthy_Content
4k
views
1
answer
no
votes
2016-10-29 16:50:06 -0600
MSX01
findContours - unhandled exception
findContours
exception
2k
views
1
answer
4
votes
2015-02-25 15:08:13 -0600
theodore
Detach two blob
c++
blob
BlobAnalysis
connectedComponents
Binarization
« previous
1
...
5
6
7
8
9
...
11
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×7
opencv
×5
contours
×4
detection
×4
Noteworthy_Content
×4
findContours
×3
contour
×2
c++#opencv
×2
detect
×2
fitEllipse
×2
python
×2
augmentedReality
×1
Binarization
×1
blob
×1
BlobAnalysis
×1
calibration
×1
canny
×1
capturefromCAM
×1
Color
×1
Complete
×1
connectedComponents
×1
convexityDefects
×1
crop
×1
dbscan
×1
deskewing
×1
dimension
×1
drawContours
×1
exception
×1
extraction
×1
Facedetection
×1
feature-detection
×1
features2d
×1
fiducials
×1
fingersTips
×1
Haar
×1
Hough
×1
houghlinesp
×1
image
×1
imageprocessing
×1
implementation
×1
ios
×1
iris-detection
×1
kmeans
×1
linedetection
×1
lines
×1
Matlab
×1
measure
×1
motion-detection
×1
multiple
×1
normHamming
×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
×