Questions - OpenCV Q&A Forum

141k

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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?

21k

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5

answers

3

votes

2018-08-09 05:23:41 -0600 sturkmen

cv::Mat serialization to binary file

74k

views

4

answers

4

votes

2012-12-05 07:11:04 -0600 wuling

Mat to byte array

opencv
Mat

7k

views

4

answers

1

vote

2016-02-05 06:49:45 -0600 goldroses

using cout with Mat object

cout
Mat

2k

views

4

answers

1

vote

2014-10-06 01:28:12 -0600 govardhana padavala

How to perform changes in both sub-image and original image ?

roi
Mat

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.

9k

views

3

answers

no

votes

2012-12-12 08:35:26 -0600 Geppertm

problem with reading image to 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)

10k

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3

answers

1

vote

2013-10-07 14:54:38 -0600 ahundt

Fill an image with the content of RotatedRect

2k

views

3

answers

no

votes

2015-04-28 05:49:39 -0600 essamzaky

IplImage convertion to Mat

1k

views

3

answers

1

vote

2016-03-10 04:26:52 -0600 essamzaky

Fast element access macro in C++ API

15k

views

2

answers

3

votes

2013-09-23 05:47:22 -0600 StevenPuttemans

How to convert cv::Mat to std::string?

20k

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2

answers

3

votes

2012-07-12 22:40:21 -0600 Niu ZhiHeng

How to add 2 Mat objects of different type?

c++
Mat

65k

views

2

answers

1

vote

2012-08-29 16:38:15 -0600 imran

Find pixel color out of cv::Mat on specific position

Mat

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

10k

views

2

answers

3

votes

2013-03-11 05:53:09 -0600 Andrey Pavlenko

Convert Mat to MatOfByte in Android

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?

78k

views

2

answers

7

votes

2012-10-31 21:29:11 -0600 unxnut

subtract from white - invert

6k

views

2

answers

no

votes

2014-03-14 07:45:46 -0600 Alexander Smorkalov

Initializing static cv::Mat with cv::Mat::zeros causes segmentation fault

79k

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2

answers

3

votes

2012-11-21 20:11:39 -0600 Martin Peris

How to create a binary image mat?

4k

views

2

answers

no

votes

2013-02-08 09:54:58 -0600 Andrey Pavlenko

Android: Mat converting to CV_8U

3k

views

2

answers

no

votes

2013-02-16 13:42:33 -0600 camadrigal

[C++] OpenCV2.4.3, cv::resize produces empty image

12k

views

2

answers

4

votes

2013-02-28 02:30:23 -0600 SR

Using external image data in a cv::Mat

Mat
pointer

6k

views

2

answers

no

votes

2013-04-27 03:33:02 -0600 briselec

Accessing Mat causes crash

3k

views

2

answers

1

vote

2014-05-22 11:25:41 -0600 Axel

Converting Mat to IplImage in Java

38k

views

2

answers

5

votes

2013-05-28 05:28:06 -0600 Jawaher Khemakhem

converting from iplimage to cvmat and vise versa

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

1k

views

2

answers

no

votes

2013-06-09 14:09:30 -0600 user1446598

How to save only ROI pixels in a Mat using a binary mask?

7k

views

2

answers

1

vote

2013-06-23 09:10:13 -0600 xiaojidan

Make a collage with other images

57k

views

2

answers

4

votes

2019-09-15 10:04:34 -0600 sturkmen

467 questions

What is the most effective way to access cv::Mat elements in a loop?

cv::Mat serialization to binary file

Mat to byte array

using cout with Mat object

How to perform changes in both sub-image and original image ?

Best way to apply a function to each element of Mat.

problem with reading image to Mat

Missing Mat::zeros(int ndims, const int* sz, int type)

Fill an image with the content of RotatedRect

IplImage convertion to Mat

Fast element access macro in C++ API

How to convert cv::Mat to std::string?

How to add 2 Mat objects of different type?

Find pixel color out of cv::Mat on specific position

Can I perform nested operations with the Mat object?

Convert Mat to MatOfByte in Android

How can I specify row alignment reading an image or creating Mat object?

subtract from white - invert

Initializing static cv::Mat with cv::Mat::zeros causes segmentation fault

How to create a binary image mat?

Android: Mat converting to CV_8U

[C++] OpenCV2.4.3, cv::resize produces empty image

Using external image data in a cv::Mat

Accessing Mat causes crash

Converting Mat to IplImage in Java

converting from iplimage to cvmat and vise versa

How to know if two Mat point to the same data?

How to save only ROI pixels in a Mat using a binary mask?

Make a collage with other images

How to access data from a cv::Mat

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