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467 questions
Tagged
Mat
×
814
views
1
answer
no
votes
2015-03-18 09:56:06 -0600
Daniil Osokin
Offset calculation for a Mat object (traincascade)
traincascade
Haar
Mat
offset
2k
views
1
answer
no
votes
2015-03-30 15:19:59 -0600
JohannesZ
FreeImage Lib: convert raw image to cv::Mat
FreeImage
raw
Mat
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
1k
views
1
answer
no
votes
2015-04-06 20:41:08 -0600
Will Stewart
How to scale up small image (submat) to HoG winSize in Java
Mat
java
resizing
HOG
submatrix
240
views
1
answer
no
votes
2015-04-07 13:13:28 -0600
MalcolmMaya
iterate through a matrice, int to uchar problem
Mat
iteration
iterator
uchar
654
views
1
answer
no
votes
2015-04-10 06:22:26 -0600
berak
Mat Syntax
Mat
CV_32S
373
views
1
answer
no
votes
2015-04-14 03:58:28 -0600
Guanta
Position of a Roi in a mat
roi
Mat
3k
views
1
answer
no
votes
2015-04-15 06:44:29 -0600
thdrksdfthmn
Convert String to Mat
string
to
Mat
conversion
1k
views
1
answer
1
vote
2015-04-17 08:36:50 -0600
Pedro Batista
Changing value in the mat
Mat
values
501
views
1
answer
1
vote
2015-05-24 14:01:48 -0600
sturkmen
Decreasing ROI
roi
decreasing
shrink
Mat
Noteworthy_Content
1k
views
1
answer
1
vote
2015-05-01 05:32:57 -0600
berak
goodFeaturesToTrack returns 2 channel image and can't be imshowed
goodFeaturesToTrack
Mat
Channels
convert
443
views
1
answer
no
votes
2015-05-05 16:43:36 -0600
SR
[C++] Efficient element-by-element pixel access?
c++
kmeans
pixel-access
Mat
pointers
40k
views
1
answer
no
votes
2015-05-25 00:53:29 -0600
tomnjerry
How to get the bit-depth of an image?
depth
Mat
Images
2k
views
1
answer
no
votes
2015-06-01 17:47:01 -0600
theodore
cv::Mat element matrix multiplication
Mat
scalar
8k
views
1
answer
2
votes
2016-01-25 16:39:53 -0600
Amro_
Changing Mat dimensions inplace
Mat
multi-dimension
reshape
inplace
ReferenceCounting
Noteworthy_Content
2k
views
1
answer
no
votes
2015-07-05 19:06:36 -0600
OrkunK
cv::Mat float values and unsigned int values showing differentials
float
Mat
OpenCV-2.4.9
cast
2k
views
1
answer
no
votes
2015-07-08 07:18:45 -0600
FooBar
find the differences between two images pixel I want to show on the screen with imshow method How can I do
DisplayImage
pixel
Mat
diffrent
712
views
1
answer
no
votes
2015-08-07 04:59:39 -0600
ragav
Possible memory leak cause - Videocapture ??
Mat
image
c++
videocapture
1k
views
1
answer
no
votes
2015-08-12 18:06:14 -0600
Yolteotl
imread returns empty mat in examples
examples
imread
Opencv3.0
empty
Mat
CvMat
3k
views
1
answer
1
vote
2015-09-28 02:37:30 -0600
Aj-611
mat from buffer
opencv
Mat
conversion
Video
8k
views
1
answer
no
votes
2020-01-28 08:03:25 -0600
h22
Mat to raw Image
raw
Mat
2k
views
1
answer
1
vote
2015-10-06 11:25:20 -0600
diegomez_86
Saving an Opencv Mat into a YAML file using python
python
yaml
Mat
save
imwrite
201
views
1
answer
no
votes
2015-10-10 10:01:32 -0600
Berkay
how to use Mat img on all function without any calling function
Mat
362
views
1
answer
no
votes
2015-11-05 09:13:52 -0600
LorenaGdL
Convert Mat to std::set
Mat
127
views
1
answer
no
votes
2015-11-20 04:01:11 -0600
berak
Read keyfeatures on Android without saving image file
android
feature-detection
Mat
opencv
739
views
1
answer
no
votes
2015-12-11 04:36:11 -0600
Nbb
Mat ROI boundary issue
Mat
28k
views
1
answer
1
vote
2015-12-19 04:01:06 -0600
pklab
copy small part of mat to another
c++
roi
range
Mat
5k
views
1
answer
no
votes
2016-01-11 07:19:07 -0600
LBerger
Make a 3D mat from a std::vector of 2D mat
Mat
3d
2d
1k
views
1
answer
no
votes
2016-01-13 04:18:03 -0600
kbarni
Why is cv::Mat::data always pointing to a uchar?
Mat
c++
LibRaw
488
views
1
answer
no
votes
2016-01-21 23:30:06 -0600
berak
Memory error accessing grayscale pixel data
Mat
pixel-access
grayscale
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