Image Moments

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 @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 @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 @include samples/python/tutorial_code/ShapeDescriptors/moments/moments_demo.py @end_toggle

Explanation

Result

Here it is:

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