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316 questions
Tagged
4k
views
2
answers
1
vote
2016-04-14 02:51:57 -0600
pklab
Detection of stones (rocks) on field surface
stones
rocks
robot
field
detection
saturation
5k
views
1
answer
no
votes
2015-02-16 03:11:03 -0600
berak
Detecting multiple squares within a square and extracting their coordinates
square
kinect
653
views
no
answers
no
votes
2017-06-20 11:12:42 -0600
agbj
SolvePnp determines well the translation but not the rotation
solvePnP
rotationMatrix
583
views
no
answers
no
votes
2015-08-11 09:00:40 -0600
kevin akhiredho
need help hand tracking mouse
hand-tracking
9k
views
2
answers
no
votes
2019-12-12 08:46:51 -0600
supra56
Python, eliminate small contours
findContours
2k
views
1
answer
no
votes
2017-03-20 03:26:59 -0600
Balaji R
Android + OpenCV - Finding extreme points in contours
android
java
opencv
substractor
contours
100
views
no
answers
no
votes
2016-04-14 14:20:17 -0600
mrlibby
svm->save() throws SEHException
SVM
SEHException
drawcontour
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
267
views
no
answers
no
votes
2016-04-11 15:51:01 -0600
Stupidav
Error running ldconfig
instalation
drawcontour
261
views
no
answers
no
votes
2019-09-23 23:57:34 -0600
brem
VideoWriter write hangs
videowriter
drawcontour
203
views
no
answers
no
votes
2018-07-03 02:33:21 -0600
dorimu
convert direct3d surface to umat fails
opencl
directx
drawcontour
1k
views
no
answers
no
votes
2019-10-29 13:04:50 -0600
light0090
Yolov3 and darknet problem
python
Yolov3
yolo
darknet
tiny-dnn
drawcontour
945
views
1
answer
no
votes
2019-11-23 02:05:43 -0600
Akhil Patel
Canny Edge Detector doesn't return filtered image
canny
295
views
no
answers
no
votes
2019-05-01 05:55:57 -0600
antithing
Triangulate from stereo fisheye cameras?
triangulatePoints
undistortpoints
fisheye
drawcontour
3k
views
1
answer
no
votes
2013-12-10 03:56:20 -0600
akoo
how to select a specific bounding box
boundingBox
608
views
no
answers
no
votes
2016-02-25 15:47:21 -0600
aparna91
How to extract the object on white paper?
Overlooked
642
views
no
answers
no
votes
2014-09-11 14:55:19 -0600
Konstantin Ivanov
Access violation error to vector<vector<Point>>,wich was created by function findContours [closed]
findContours
1k
views
3
answers
no
votes
2014-05-27 06:42:15 -0600
Nagaraj
Tilted image reconstruction
tilted
256
views
1
answer
no
votes
2020-02-11 20:21:08 -0600
supra56
Object localization program crashing at approxPolyDP function[SOLVED]
opencv
approxPolyDP
1k
views
1
answer
no
votes
2016-06-02 09:26:27 -0600
sturkmen
OpenCV4Android - Resize a Contour but retain center?
android
opencv
erode
distanceTransform
resize
264
views
1
answer
no
votes
2016-03-02 06:04:58 -0600
berak
Debug assertion fail when using grayscale
opencv
1k
views
1
answer
no
votes
2018-08-26 08:24:44 -0600
matman
FindContours Duplicate Points
findContours
drawContours
1k
views
1
answer
no
votes
2015-11-20 02:44:50 -0600
pklab
how can I draw a vertical line down the middle of a rectangular?
opencv
c++
808
views
2
answers
no
votes
2015-08-12 03:00:15 -0600
zms
Moment and Archlength return values - confused
Moment
and
Archlength
result
183
views
no
answers
no
votes
2016-03-15 03:40:24 -0600
Lily
Stack around the variable 'hull_header' was corrupted when using convexity defects [closed]
convexityDefects
2k
views
1
answer
no
votes
2015-07-28 03:18:02 -0600
StevenPuttemans
Find center and radius of fisheye image
fisheye
1k
views
1
answer
no
votes
2015-04-08 10:58:26 -0600
ClintFromVa
perspectiveTransform on contours?
perspectiveTransform
contours
241
views
no
answers
no
votes
2015-08-19 03:52:05 -0600
xyansdu
Problem when I try to use findContour function
FindContour
3k
views
1
answer
no
votes
2016-04-07 06:22:23 -0600
StevenPuttemans
Label Contours
label
contours
510
views
1
answer
no
votes
2017-02-20 10:46:57 -0600
ginister
Mat reshape not reducing channel number
reshape
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