init - 初始化项目

doc/tutorials/imgproc/shapedescriptors/moments/moments.markdown

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+Image Moments {#tutorial_moments}
+=============
+
+@tableofcontents
+
+@prev_tutorial{tutorial_bounding_rotated_ellipses}
+@next_tutorial{tutorial_point_polygon_test}
+
+|    |    |
+| -: | :- |
+| Original author | Ana Huamán |
+| Compatibility | OpenCV >= 3.0 |
+
+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:
+![](images/Moments_Source_Image.jpg)
+![](images/Moments_Result1.jpg)
+![](images/Moments_Result2.jpg)