Path: blob/master/doc/tutorials/imgproc/shapedescriptors/moments/moments.markdown
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Image Moments {#tutorial_moments}
=============
@prev_tutorial{tutorial_bounding_rotated_ellipses}
@next_tutorial{tutorial_point_polygon_test}
Goal
----
In this tutorial you will learn how to:
- Use the OpenCV function @ref cv::moments
- Use the OpenCV function @ref cv::contourArea
- Use the OpenCV function @ref cv::arcLength
Theory
------
Code
----
@add_toggle_cpp
This tutorial code's is shown lines below. You can also download it from
[here](https://github.com/opencv/opencv/tree/master/samples/cpp/tutorial_code/ShapeDescriptors/moments_demo.cpp)
@include samples/cpp/tutorial_code/ShapeDescriptors/moments_demo.cpp
@end_toggle
@add_toggle_java
This tutorial code's is shown lines below. You can also download it from
[here](https://github.com/opencv/opencv/tree/master/samples/java/tutorial_code/ShapeDescriptors/moments/MomentsDemo.java)
@include samples/java/tutorial_code/ShapeDescriptors/moments/MomentsDemo.java
@end_toggle
@add_toggle_python
This tutorial code's is shown lines below. You can also download it from
[here](https://github.com/opencv/opencv/tree/master/samples/python/tutorial_code/ShapeDescriptors/moments/moments_demo.py)
@include samples/python/tutorial_code/ShapeDescriptors/moments/moments_demo.py
@end_toggle
Explanation
-----------
Result
------
Here it is:
