Programming Language: C++ (Cpp)

Namespace/Package Name: cv

Class/Type: Mat

Method/Function: t

Examples at hotexamples.com: 30

The "cv::Mat" is a data-type in OpenCV's core library used for storing and manipulating images and matrices. It is a multi-dimensional array with elements of a single data type. It can store a variety of data types, including integers (8-bit, 16-bit, and 32-bit), floating-point values (32-bit and 64-bit), and complex numbers.

Here are a few examples of using the "cv::Mat" data type. These examples are written in C++:

1. Creating an empty matrix:

cv::Mat mat;

2. Creating a matrix with a specific size and data type:

cv::Mat mat(3, 3, CV_8UC1); // 3x3 matrix with 8-bit unsigned integers.

3. Creating a matrix with specific data:

int data[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};

cv::Mat mat(3, 3, CV_32SC1, data); // 3x3 matrix with 32-bit signed integers.

4. Accessing matrix elements:

int value = mat.at(0, 0); // Accesses first element of the matrix.

5. Copying matrices:

cv::Mat copy = mat.clone(); // Creates a deep copy of 'mat'.

These examples demonstrate how to use the "cv::Mat" data type. The OpenCV library offers many useful functions for manipulating and processing images using "cv::Mat".

Here are a few examples of using the "cv::Mat" data type. These examples are written in C++:

1. Creating an empty matrix:

cv::Mat mat;

2. Creating a matrix with a specific size and data type:

cv::Mat mat(3, 3, CV_8UC1); // 3x3 matrix with 8-bit unsigned integers.

3. Creating a matrix with specific data:

int data[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};

cv::Mat mat(3, 3, CV_32SC1, data); // 3x3 matrix with 32-bit signed integers.

4. Accessing matrix elements:

int value = mat.at

5. Copying matrices:

cv::Mat copy = mat.clone(); // Creates a deep copy of 'mat'.

These examples demonstrate how to use the "cv::Mat" data type. The OpenCV library offers many useful functions for manipulating and processing images using "cv::Mat".

Frequently Used Methods

Frequently Used Methods

Frequently Used Methods

Frequently Used Methods