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467 questions
Tagged
Mat
×
2k
views
1
answer
no
votes
2018-10-24 18:42:03 -0600
berak
Mat::at throws error: Assertion failed ((unsigned)i0 < (unsigned)size.p[0]) in opencv\build\include\opencv2\core\mat.inl.hpp, line 1100
Mat
at
1100
868
views
1
answer
no
votes
2018-10-14 02:07:00 -0600
Sid24
4 dimensional Mat in opencv JAVA
Mat
dnn
android#dnn
java
950
views
no
answers
-1
votes
2018-09-09 15:59:44 -0600
Aiyyaa
double free or corruption mistake [closed]
c++
Mat
118
views
no
answers
no
votes
2018-09-05 17:12:00 -0600
2ros0
cv::Mat class member
boost
Mat
CV
402
views
1
answer
no
votes
2018-08-16 23:48:58 -0600
berak
Cast CvCameraViewFrame to Mat throws Error. What to do instead?
Mat
inputframe
188
views
no
answers
no
votes
2018-08-10 17:57:56 -0600
connorsoohoo
Download a vector of GpuMats to Host
CUDA
opencv
c++
Mat
gpumat
21k
views
5
answers
3
votes
2018-08-09 05:23:41 -0600
sturkmen
cv::Mat serialization to binary file
Mat
serialization
877
views
1
answer
no
votes
2018-08-01 12:44:32 -0600
berak
Efficient calculation with multiple cv::Mat
Mat
732
views
1
answer
no
votes
2018-07-23 07:03:32 -0600
StevenPuttemans
How to call imshow("", cv::Mat) from a function passed to void* ptr of trackbar callback?
Mat
opencv
c++
109
views
1
answer
no
votes
2018-07-19 06:02:46 -0600
berak
Convert RGBTRIPLE to cv::Mat
RGBTRIPLE
Mat
2k
views
1
answer
no
votes
2018-07-16 08:31:52 -0600
berak
How to do copy cv::Mat by pointer into tensor of type float?
opencv-3.4
Mat
c++
872
views
1
answer
-1
votes
2018-07-07 09:47:48 -0600
ali hakimiyan
opencv mat.at<cv::Vec4b> convert to java
java
pixel-access
Mat
954
views
1
answer
no
votes
2018-07-04 07:00:58 -0600
paatz04
Create a transparent Mat in Android
android
scalar
transparent
Mat
1k
views
1
answer
no
votes
2018-06-30 01:47:26 -0600
berak
how to new Mat
new
opencv
Mat
201
views
no
answers
no
votes
2018-06-27 09:09:52 -0600
Benlag06
Communication between c++ and python
opencv
Mat
object
404
views
no
answers
no
votes
2018-06-14 02:26:41 -0600
iwga
XYZ Data to Mat
pointcloud
Mat
268
views
1
answer
no
votes
2018-06-06 07:03:39 -0600
berak
can't find cv::ppf_match_3d::loadPLYSimple
ply
copencv
Mat
313
views
no
answers
no
votes
2018-05-28 02:07:07 -0600
dEmz
cv::Mat make VS 2017 Freeze when hovered
Mat
c++
184
views
1
answer
1
vote
2018-04-24 01:15:56 -0600
berak
contour look strange
findContours
Mat
777
views
1
answer
no
votes
2018-04-15 12:07:33 -0600
LBerger
Row and Col problem when Mat represents 3d point cloud
pointcloud
Mat
matrix
transformation
kdtree
rotationMatrix
217
views
no
answers
no
votes
2018-04-12 03:15:41 -0600
berak
How can access vector <cv::Mat> data by using ptr or data method?
access
vector
Mat
data
1k
views
no
answers
no
votes
2018-04-02 23:06:07 -0600
abhijit
Convert 3 channel BGR image to bytes string in C++ [closed]
c++
Mat
string
Bytes
python
convert
181
views
no
answers
no
votes
2018-03-27 13:02:20 -0600
waschbaer
matrix.at<int>(i,j) gives wrong output [closed]
CV32S
Mat
opencv3
546
views
no
answers
no
votes
2018-03-16 10:34:33 -0600
AleksB
How to convert Mat coordinates to Layout coordinates in android? [closed]
android#opencv
Mat
coordinates
position
134
views
no
answers
-1
votes
2018-03-07 04:42:35 -0600
AnanthaRaja
Proper Usage of Memcpy - Security Issue [closed]
memcpy
Mat
memcpy_s
738
views
1
answer
no
votes
2018-02-28 03:01:33 -0600
LBerger
How to access alpha value at pixel using Mat.data?
Mat
c++
data
pixel
707
views
1
answer
-1
votes
2018-02-22 05:14:46 -0600
HebaKM
Displaying images from 1D double array
c++
Mat
double
435
views
1
answer
no
votes
2018-02-09 11:26:00 -0600
LBerger
Get coordinates from the detected object using haar cascade (c++)
cvHaarDetect
coordinates
FindContour
Mat
c++
680
views
1
answer
1
vote
2018-02-08 22:07:10 -0600
Balaji R
Split a Mat into parts, based on each containing three colors?
Mat
Split
Color
10k
views
1
answer
no
votes
2018-02-05 07:14:47 -0600
eshirima
Detecting change in previous and current image frame
opencv
c++
Mat
contour
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