matlab 保存图片ppi

在Matlab中，保存图片的ppi（像素每英寸）可以通过设置参数来实现。在保存图像时，可以使用'-r'选项后跟所需的ppi值来调整输出分辨率。例如，使用'-r600'参数将输出分辨率设置为600 ppi。这样可以获得更高的图像质量和更精细的细节。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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