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
47 questions
Tagged
rectangle
×
272
views
no
answers
-3
votes
2020-07-25 03:38:21 -0600
HardTracker
Why you use chessboard? [closed]
calibration
tracking
rectangle
7k
views
1
answer
no
votes
2020-06-05 22:39:58 -0600
supra56
OpenCV does not detect the my rectangle [closed]
opencv
python
rectangle
Split
12k
views
1
answer
no
votes
2020-06-03 07:16:12 -0600
supra56
Finding rectangle contours in an image
finding
rectangle
contours
in
an
image
1k
views
1
answer
no
votes
2020-01-03 06:52:19 -0600
LBerger
cv2.rectangle missing one side
rectangle
1k
views
1
answer
no
votes
2019-09-27 10:17:38 -0600
Kitnos
Problem Adding a mask to video frames
c++
Video
rectangle
copyTo
474
views
1
answer
1
vote
2019-01-22 01:16:18 -0600
berak
Draw a transparent green rectangle on onCameraFrame [closed]
android
opencv
rectangle
transparent
1k
views
1
answer
no
votes
2019-01-19 03:04:20 -0600
berak
Drawing rectangles from contours in Android
android
rectangle
kotlin
java
222
views
1
answer
no
votes
2018-12-03 03:55:25 -0600
ojxsdd
Need help creating a static rectangle in middle of video window for open cv
android
opencv
visualstudios
c++
webcam
rectangle
627
views
2
answers
no
votes
2018-11-14 13:45:21 -0600
Filippo9669
How to detect the "external" pixels in an edge?
detect
edges
opencv
rectangle
centre
285
views
no
answers
no
votes
2018-08-18 22:01:52 -0600
carlosgj
SolvePnP With Hidden Points
homography
pose-estimation
rectangle
417
views
no
answers
no
votes
2018-07-17 14:42:06 -0600
whatdhack
opnecv axis and numpy dimension mismatch
numpy
rectangle
Line
imread
9k
views
no
answers
no
votes
2018-06-28 00:21:17 -0600
berak
E1101:Module 'cv2' has no 'VideoCapture' member [closed]
cv2
resize
videocapture
putText
rectangle
imshow
124
views
no
answers
no
votes
2018-06-23 07:43:48 -0600
Heniek45
Morphology transformation to achieve rectangular shape.
morphology
rectangle
erode
dilate
2k
views
1
answer
1
vote
2018-05-02 08:54:19 -0600
joshuafc
Will putText,circle,line,rectangle for cv::cuda::GpuMat be implement?
gpumat
putText
circle
Line
rectangle
1k
views
1
answer
no
votes
2018-04-13 10:53:11 -0600
berak
Assertion failed roi out of range
roi
rectangle
277
views
1
answer
no
votes
2018-03-23 10:56:56 -0600
berak
Showing a rectangle on the courser and cutting out
rectangle
cvRectangle
c++
854
views
1
answer
no
votes
2017-12-24 10:42:39 -0600
hy17003
how to find rectangles in image
rectangle
1k
views
2
answers
no
votes
2017-11-20 03:10:42 -0600
ajay_127
Hough Transform for Rectangle Detection
rectangle
detection
1k
views
1
answer
no
votes
2017-10-27 08:07:59 -0600
theaniolad
Perform functions on a ROI
opencv
mask
regionofinterest
draw
rectangle
edges
3k
views
1
answer
1
vote
2017-09-17 06:01:39 -0600
sturkmen
I'm trying to draw a rectangle on my mouse click coordinates?
rectangle
c++
opencv
CV_EVENT_LBUTTONDOWN
5k
views
1
answer
no
votes
2016-07-01 08:41:08 -0600
Hardik Patel
Find rectangle from image in android?
android
rectangle
6k
views
1
answer
no
votes
2016-05-27 07:47:53 -0600
Hardik Patel
How to detect colored rectangle from image in android? [closed]
rectangle
15k
views
2
answers
no
votes
2016-02-10 08:17:33 -0600
thdrksdfthmn
Extract parts from image
extraction
Video
rectangle
roi
5k
views
2
answers
no
votes
2016-02-04 06:53:01 -0600
Poovamraj
Whenever i use Imgproc.rectangle and Imgproc.circle function following error appears
rectangle
circle
opencv4android
3k
views
1
answer
no
votes
2016-01-13 06:08:20 -0600
thdrksdfthmn
How to find the corners of a rectangular contour in pixel points?
corner
rectangle
contour
orientation
1k
views
1
answer
no
votes
2015-11-22 13:26:38 -0600
sturkmen
Detecting Page Corners
edge
rectangle
37k
views
2
answers
6
votes
2015-09-12 14:01:30 -0600
Balaji R
What is the best way to find bounding box for binary mask?
binary
boundary
rectangle
findNonZero
boundingRect
7k
views
no
answers
4
votes
2015-06-07 01:16:05 -0600
MrVincenzo
How to find largest axis aligned rectangle inside a contour
rectangle
contour
inside
inner
1k
views
no
answers
no
votes
2015-02-17 20:11:57 -0600
Richard Y. Hayashi
How to detect labels with numbers in a black rectangle?
Detect_Labels
black
rectangle
264
views
no
answers
no
votes
2015-02-11 08:21:27 -0600
Ribs
ROI creation [closed]
roi
rectangle
stitch
vector
1
2
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
rectangle
×30
opencv
×6
android
×4
c++
×4
roi
×3
circle
×2
contour
×2
edges
×2
Line
×2
putText
×2
Video
×2
an
×1
binary
×1
black
×1
boundary
×1
boundingRect
×1
calibration
×1
centre
×1
contours
×1
copyTo
×1
corner
×1
cv2
×1
CV_EVENT_LBUTTONDOWN
×1
cvRectangle
×1
detect
×1
detection
×1
Detect_Labels
×1
dilate
×1
draw
×1
edge
×1
erode
×1
extraction
×1
finding
×1
findNonZero
×1
gpumat
×1
homography
×1
image
×1
imread
×1
imshow
×1
in
×1
inner
×1
inside
×1
java
×1
kotlin
×1
mask
×1
morphology
×1
numpy
×1
opencv4android
×1
orientation
×1
pose-estimation
×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
×
