matlab里Canny函数
时间: 2023-11-02 18:53:36 浏览: 54
在MATLAB中,可以使用Canny函数来进行Canny边缘检测。Canny函数的语法如下:
I2 = edge(I1,'canny')
其中,I1是输入的灰度图像,I2是输出的边缘图像。Canny边缘检测方法利用了梯度方向信息,采用了非极大抑制和双阈值技术,能够获得单像素连续的边缘。具体而言,Canny边缘检测方法首先对图像进行高斯滤波,然后计算每个像素的梯度幅值和方向,接着使用非极大抑制技术找到局部最大值,最后通过滞后阈值化处理来消除虚假响应。Canny边缘检测方法被认为是一种效果较好的边缘检测方法,能够满足低错误率、定位精度和单边存在的地方不出现多边的要求。\[2\]\[3\]
#### 引用[.reference_title]
- *1* [MATLAB中canny算子边缘检测](https://blog.csdn.net/dyq1995/article/details/84333118)[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^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
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- *3* [[图像]Canny检测的Matlab实现(含代码)](https://blog.csdn.net/humanking7/article/details/46606791)[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^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
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