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