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467 questions
Tagged
Mat
×
59k
views
1
answer
14
votes
2017-08-20 04:02:00 -0600
sturkmen
How to get and modify the pixel of Mat in Java?
java
Mat
pixelaccess
141k
views
6
answers
14
votes
2014-09-25 12:02:22 -0600
lvv
What is the most effective way to access cv::Mat elements in a loop?
Mat
performance
access
42k
views
1
answer
9
votes
2013-11-03 09:19:07 -0600
Jose Luis Blanco
Any way to convert IplImage* to cv::Mat in OpenCV 3.0.0?
IplImage
Mat
3k
views
2
answers
9
votes
2016-02-18 21:50:13 -0600
sturkmen
Best practices for writing image processing functions?
programming
Mat
memory_allocation
78k
views
2
answers
7
votes
2012-10-31 21:29:11 -0600
unxnut
subtract from white - invert
algebra
Mat
invert
12k
views
1
answer
6
votes
2015-09-16 18:14:45 -0600
sturkmen
How to read the pixels of the three channels at the same time?
java
Mat
Channels
91k
views
1
answer
6
votes
2013-03-29 10:05:41 -0600
StevenPuttemans
set ROI in cv::Mat
Mat
roi
20k
views
4
answers
6
votes
2013-10-17 01:42:12 -0600
Michael Burdinov
Best way to apply a function to each element of Mat.
Mat
per-element
3k
views
no
answers
6
votes
2015-07-14 05:00:54 -0600
mkc
Is there a reason why OpenCV does not support (CV_32U) 32 bit depth unsigned integer Mat?
Mat
CV_32U
general
488
views
2
answers
5
votes
2012-09-13 05:09:27 -0600
Michael Burdinov
Can I perform nested operations with the Mat object?
Mat
1k
views
3
answers
5
votes
2014-10-09 01:53:13 -0600
xhpohanka
Missing Mat::zeros(int ndims, const int* sz, int type)
missing
zeros
Mat
unresolved
38k
views
2
answers
5
votes
2013-05-28 05:28:06 -0600
Jawaher Khemakhem
converting from iplimage to cvmat and vise versa
IplImage
Mat
CvMat
74k
views
4
answers
4
votes
2012-12-05 07:11:04 -0600
wuling
Mat to byte array
opencv
Mat
12k
views
2
answers
4
votes
2013-02-28 02:30:23 -0600
SR
Using external image data in a cv::Mat
Mat
pointer
3k
views
2
answers
4
votes
2013-05-30 03:22:08 -0600
berak
How to know if two Mat point to the same data?
Mat
pointer
57k
views
2
answers
4
votes
2019-09-15 10:04:34 -0600
sturkmen
How to access data from a cv::Mat
Mat
Matpixel-access
1k
views
1
answer
4
votes
2015-04-03 18:01:12 -0600
Guanta
Why some basic operations with cv::Mat with number of channels > 4 do not work ?
Mat
scalar
multi-channel
15k
views
2
answers
3
votes
2013-09-23 05:47:22 -0600
StevenPuttemans
How to convert cv::Mat to std::string?
Mat
string
conversion
persistence
FileStorage
20k
views
2
answers
3
votes
2012-07-12 22:40:21 -0600
Niu ZhiHeng
How to add 2 Mat objects of different type?
c++
Mat
2k
views
1
answer
3
votes
2012-07-19 06:49:54 -0600
sammy
Is there penalty for reference counting in Mat?
Mat
Multitreading
ReferenceCounting
6k
views
1
answer
3
votes
2012-09-04 10:19:25 -0600
Andrey Pavlenko
How to update Mat with multiple channels?
android
Mat
merge
10k
views
2
answers
3
votes
2013-03-11 05:53:09 -0600
Andrey Pavlenko
Convert Mat to MatOfByte in Android
android
convert
Mat
3k
views
2
answers
3
votes
2013-10-18 06:35:48 -0600
Antonio
How can I specify row alignment reading an image or creating Mat object?
Mat
row
alignment
4k
views
1
answer
3
votes
2012-10-31 14:41:51 -0600
Maria Dimashova
convert from vector to Mat
Mat
vector
flann
79k
views
2
answers
3
votes
2012-11-21 20:11:39 -0600
Martin Peris
How to create a binary image mat?
Mat
binary
threshold
grayscale
conversion
1k
views
no
answers
2
votes
2013-01-17 07:38:20 -0600
Simone
Filter the rows/columns of a Mat
Mat
Filtering
outliers
21k
views
5
answers
3
votes
2018-08-09 05:23:41 -0600
sturkmen
cv::Mat serialization to binary file
Mat
serialization
56k
views
1
answer
3
votes
2013-07-09 02:27:57 -0600
jbseano
How to use Mat.at<Internal type>(i,j)?
Mat
at
529
views
1
answer
3
votes
2013-12-02 07:14:20 -0600
Michael Burdinov
Do we need to optimize matrix operation of cv::Mat?
optimization
Mat
577
views
1
answer
2
votes
2012-07-23 20:10:27 -0600
Martin Peris
Saving an image with unset pixels
Mat
imwrite
Noteworthy_Content
1
2
3
4
5
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