opencv图像放缩

在使用OpenCV对图像进行放缩时，可以使用resize函数或pyrDown和pyrUp函数。在resize函数中，可以通过指定目标尺寸来实现图像的放缩，如将图像缩小为原来的一半或放大为原来的两倍。而pyrDown函数用于缩小图像，pyrUp函数用于放大图像。这些函数可以通过设置参数来控制放缩的方式，例如插值方法。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [【 OpenCV】——图像缩放](https://blog.csdn.net/m0_63014263/article/details/123845632)[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_2"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [基于OpenCV对图像进行缩放处理](https://blog.csdn.net/qq_45780647/article/details/123575017)[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_2"}}] [.reference_item style="max-width: 50%"]
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