matlab灰度转二值
时间: 2023-09-15 18:15:39 浏览: 79
在MATLAB中,可以使用以下代码将灰度图像转换为二值图像:
```matlab
thresh = graythresh(gray_image); % 使用graythresh函数自动确定二值化阈值
binary_image = im2bw(gray_image, thresh); % 使用im2bw函数进行二值化处理
```
其中,`gray_image`代表输入的灰度图像,`thresh`代表通过`graythresh`函数确定的阈值,`binary_image`代表输出的二值图像。
另外,如果你想要手动设定阈值,可以使用以下代码:
```matlab
value = 0.5; % 自己设定的阈值,范围为<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [matlab灰度图转化及二值化](https://blog.csdn.net/qq_48345413/article/details/115864205)[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^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [MATLAB图像处理之二值化以及灰度处理](https://blog.csdn.net/weixin_43332715/article/details/118463134)[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^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]