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449 questions
Tagged
Mat
×
69
views
1
answer
no
votes
2018-04-15 12:07:33 -0500
LBerger
Row and Col problem when Mat represents 3d point cloud
pointcloud
Mat
matrix
transformation
kdtree
rotationMatrix
39
views
no
answers
no
votes
2018-04-12 03:15:41 -0500
berak
How can access vector <cv::Mat> data by using ptr or data method?
access
vector
Mat
data
33
views
no
answers
no
votes
2018-04-08 07:01:28 -0500
EdoTwentySix
How to get fixed sized ROI from findCountours
HOG
SVM
Rect
UnfixedRect
java
Mat
363
views
no
answers
no
votes
2018-04-02 23:06:07 -0500
abhijit
Convert 3 channel BGR image to bytes string in C++ [closed]
c++
Mat
string
Bytes
python
convert
461
views
no
answers
no
votes
2018-03-27 14:16:05 -0500
waschbaer
How to add row using cv::Mat push_back() [closed]
push_back
Mat
opencv3
29
views
no
answers
no
votes
2018-03-27 13:02:20 -0500
waschbaer
matrix.at<int>(i,j) gives wrong output [closed]
CV32S
Mat
opencv3
104
views
no
answers
no
votes
2018-03-16 10:34:33 -0500
AleksB
How to convert Mat coordinates to Layout coordinates in android?
android#opencv
Mat
coordinates
position
619
views
1
answer
no
votes
2018-03-08 04:08:21 -0500
berak
Covert Mat to Bitmap in c++
matToBitmap
bitmap
Mat
convert
c++
63
views
no
answers
-1
votes
2018-03-07 04:42:35 -0500
AnanthaRaja
Proper Usage of Memcpy - Security Issue [closed]
memcpy
Mat
memcpy_s
76
views
1
answer
no
votes
2018-02-28 03:01:33 -0500
LBerger
How to access alpha value at pixel using Mat.data?
Mat
c++
data
pixel
88
views
1
answer
-1
votes
2018-02-22 05:14:46 -0500
HebaKM
Displaying images from 1D double array
c++
Mat
double
70
views
1
answer
no
votes
2018-02-09 11:26:00 -0500
LBerger
Get coordinates from the detected object using haar cascade (c++)
cvHaarDetect
coordinates
FindContour
Mat
c++
226
views
1
answer
1
vote
2018-02-08 22:07:10 -0500
Balaji R
Split a Mat into parts, based on each containing three colors?
Mat
Split
Color
1k
views
1
answer
no
votes
2018-02-05 07:14:47 -0500
eshirima
Detecting change in previous and current image frame
opencv
c++
Mat
contour
447
views
no
answers
no
votes
2018-01-29 06:25:51 -0500
Adam C
cv::Mat assignment or copy with guarantee that there is no reallocation
Mat
copyTo
62
views
no
answers
no
votes
2018-01-23 10:41:24 -0500
teenvan95
Mat to vector
c++
opencv
DTrees
Mat
HOG
61
views
no
answers
no
votes
2018-01-23 09:03:01 -0500
teenvan95
Find the most frequently occurring element in a row
c++
opencv
Mat
HOG
dtree
137
views
no
answers
no
votes
2018-01-23 08:53:19 -0500
sarah1802
Aruco Detection - OpenCV Error: Incorrect size of input array
aruco
error
c++
rodrigues
Mat
matrix
83
views
1
answer
1
vote
2018-01-08 19:59:16 -0500
sjhalayka
trouble understanding pixel access
Mat
pixel
pixel-access
219
views
1
answer
no
votes
2017-12-19 10:59:34 -0500
kbarni
Mat to QImage
qt
Mat
189
views
1
answer
-1
votes
2017-12-07 13:58:40 -0500
berak
Mat Template Pointer is NULL
Mat
reserve
305
views
1
answer
1
vote
2017-12-06 16:48:46 -0500
sdwarfs
Is there already a way to add custom metadata to cv::Mat or cv::UMat?
CvMat
Mat
metadata
250
views
1
answer
no
votes
2017-12-05 07:27:34 -0500
berak
Type of lines in LineSegmentDetector
Opencv3.2.0
c++
linesegmentdetector
Mat
Builderror
412
views
no
answers
no
votes
2017-12-05 04:33:41 -0500
zehra
Opencv split(frame,std::Vector<cv::Mat>) crashed
dlls
Split
vector
Mat
extern
70
views
no
answers
1
vote
2017-12-04 11:38:49 -0500
M.R.
How to do erosion on a 3D image?
3dim
image-processing
Mat
167
views
1
answer
no
votes
2017-11-25 04:22:12 -0500
berak
Why mat.ptr<>() has the same address among all the elements inside std::vector<cv::Mat>?
Mat
Ptr
109
views
1
answer
no
votes
2017-11-23 12:51:58 -0500
eshirima
Saving the image
load
save
Mat
106
views
1
answer
1
vote
2017-11-07 02:11:17 -0500
berak
How to understand Mat_<float>
Mat
4k
views
1
answer
1
vote
2017-10-18 09:23:26 -0500
Andriezel
How to properly convert Mat to Bitmap C++
c++
opencv
Mat
Forms
3.0.0
683
views
1
answer
no
votes
2017-10-13 06:08:54 -0500
berak
Pointer to Mat Variables
Mat
pointer
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