matlab算四阶中心矩
时间: 2023-08-18 20:11:22 浏览: 532
要在MATLAB中计算四阶中心矩,你可以使用`statmoments`函数。根据引用中的代码,`statmoments`函数可以计算直方图的统计中心矩。你需要将直方图作为输入,并指定需要计算的中心矩的最高阶数为4。函数的输出是一个包含均值和四阶中心矩的行向量。
以下是使用`statmoments`函数计算四阶中心矩的示例代码:
```matlab
histogram = [1, 2, 3, 4, 5, 6]; % 以示例直方图为例,这里直方图是一个包含6个元素的向量
n = 4; % 指定计算的中心矩的最高阶数为4
[v, ~ = statmoments(histogram, n); % 使用statmoments函数计算中心矩,~表示不需要未归一化的中心矩
fourth_moment = v(4); % 获取四阶中心矩
disp(fourth_moment); % 输出四阶中心矩的值
```
请注意,上述代码中的直方图是一个示例,并且你需要根据你自己的数据进行相应的调整。同时,要确保你在MATLAB环境中有`statmoments`函数的定义。<em>1</em><em>2</em><em>3</em>
#### 引用[.reference_title]
- *1* *3* [opencv —— moments 矩的计算(空间矩/几何矩、中心距、归一化中心距、Hu矩)](https://blog.csdn.net/weixin_39625305/article/details/116187604)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}} ] [.reference_item]
- *2* [《数字图像处理》冈萨雷斯matlab函数statmoments、计算均值和n阶中心矩,并返回行向量](https://blog.csdn.net/weixin_45352300/article/details/126603818)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}} ] [.reference_item]
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