Questions - OpenCV Q&A Forum

407

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1

answer

no

votes

2016-11-10 11:07:08 -0600 Tetragramm

Matrix rotation error and how pull out a single element

119k

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2

answers

2

votes

2016-11-16 02:02:11 -0600 Nbb

How to initialize Mat size and fill it with zeros in a class ?

Mat

5k

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1

answer

no

votes

2016-11-18 02:51:04 -0600 berak

Convert Mat to 16 bit int

127

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no

answers

no

votes

2016-11-23 18:47:32 -0600 Shatterhand

Translating code from C++

2k

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no

answers

no

votes

2016-11-29 08:01:24 -0600 closecall

cv::Mat to DirectX11 Texture (OpenCV 3.1.0)

1k

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1

answer

no

votes

2016-12-02 05:11:29 -0600 Narew

Transform buffer to cv::Mat without copy.

353

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no

answers

1

vote

2016-12-03 11:28:20 -0600 Fly

Data-array "organisation" of image Mat. (Mat->GIF)

7k

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no

answers

no

votes

2016-12-05 08:11:17 -0600 bivalvo

What's the correct way to release cv::Mat?

206

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1

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no

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2016-12-19 16:02:47 -0600 matman

In OpenCV 3.1 will Mat::dot() use the gpu if it is available?

1k

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2

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no

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2017-01-05 13:55:51 -0600 pklab

How to export cv::Mat to mysql?

1k

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no

answers

-1

votes

2017-01-19 18:46:23 -0600 Aokiji

Java VideoCapture is Open, But Mat.read(frame) is Always false

9k

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1

answer

no

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2017-01-11 08:04:52 -0600 berak

How to subtract a constant from a 3 channel mat ?

Mat

1k

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1

answer

no

votes

2017-01-18 12:18:12 -0600 LBerger

How to take out certain 2D matrix from 3D Mat matrix?

Mat
3dmatrix

861

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1

answer

no

votes

2017-01-24 14:31:49 -0600 LBerger

extract the data from a cv::Matx44d?

Mat
Matx

1k

views

1

answer

-3

votes

2017-01-27 08:42:38 -0600 marsfan

mat newMat = new Mat() crashes android app [closed]

android
Mat

1k

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1

answer

no

votes

2017-01-27 01:35:51 -0600 berak

Mat element wise multiplication 8UC1 x 8UC3

Mat

1k

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1

answer

no

votes

2017-02-03 11:46:11 -0600 LBerger

why are mat operators seeing wrong type? [closed]

229

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1

answer

1

vote

2017-02-07 19:23:41 -0600 Tetragramm

Just a curiosity

Mat
compare

3k

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1

answer

no

votes

2017-02-08 15:08:07 -0600 LBerger

OpenCV C++ converting Vector to Mat [closed]

421

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no

answers

no

votes

2017-02-15 01:45:13 -0600 zms

Can data from Mat convert to bitset? [closed]

602

views

2

answers

no

votes

2017-02-17 09:17:39 -0600 Eduardo

realsense R200, difference between saved images and live stream?

Mat
cvtColor

5k

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1

answer

2

votes

2017-02-22 21:56:51 -0600 LBerger

How to set number of channels for Mat using a variable ?

Mat

3k

views

2

answers

1

vote

2017-02-23 03:53:26 -0600 kbarni

how to access matrix with unknown number of channels ?

Mat

232

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1

answer

no

votes

2017-02-25 01:28:27 -0600 berak

Does opencv has type cell like matlab that can store several Matrices

424

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no

answers

no

votes

2017-02-24 13:54:33 -0600 Davaaron

Get values of a Mat object

java
Mat

885

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1

answer

no

votes

2017-03-08 10:19:28 -0600 kbarni

How to efficiently access vector of Mat ?

Mat

3k

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1

answer

no

votes

2017-03-09 04:43:48 -0600 pcardoso

Grabcut mask values

grabcut
Mat

4k

views

1

answer

no

votes

2017-03-09 05:41:03 -0600 berak

Iterating and printing all pixel values from a Mat image

155

views

1

answer

no

votes

2017-03-10 06:04:03 -0600 berak

How to get the total of the same number in a MAT

2k

views

2

answers

no

votes

2017-03-16 06:35:04 -0600 berak

467 questions

Matrix rotation error and how pull out a single element

How to initialize Mat size and fill it with zeros in a class ?

Convert Mat to 16 bit int

Translating code from C++

cv::Mat to DirectX11 Texture (OpenCV 3.1.0)

Transform buffer to cv::Mat without copy.

Data-array "organisation" of image Mat. (Mat->GIF)

What's the correct way to release cv::Mat?

In OpenCV 3.1 will Mat::dot() use the gpu if it is available?

How to export cv::Mat to mysql?

Java VideoCapture is Open, But Mat.read(frame) is Always false

How to subtract a constant from a 3 channel mat ?

How to take out certain 2D matrix from 3D Mat matrix?

extract the data from a cv::Matx44d?

mat newMat = new Mat() crashes android app [closed]

Mat element wise multiplication 8UC1 x 8UC3

why are mat operators seeing wrong type? [closed]

Just a curiosity

OpenCV C++ converting Vector to Mat [closed]

Can data from Mat convert to bitset? [closed]

realsense R200, difference between saved images and live stream?

How to set number of channels for Mat using a variable ?

how to access matrix with unknown number of channels ?

Does opencv has type cell like matlab that can store several Matrices

Get values of a Mat object

How to efficiently access vector of Mat ?

Grabcut mask values

Iterating and printing all pixel values from a Mat image

How to get the total of the same number in a MAT

Initialize MAT from pointer - help. [closed]

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