返回特定地区 [英] Returning specific regions

问题描述

假设我有一个标记的图像，在该图像中，我计算了每个区域的area.如何退回特定地区?也就是说，说我想返回具有>=300和<500的区域?

Say that I have a labeled image, where I have calculated the area of each region. How can I return specific regions? That is, say I want to return the regions that have >=300 and <500?

谢谢.

推荐答案

您可以将regionprops的结果分组为一个向量，并将其用于索引:

You can group the results of regionprops into a vector and use it for indexing:

rg = regionprops( L, 'Area' );
allArea = [rg(:).Area]; % grouping all area values into a single vecotr
labels = find( allArea >= 300 & allArea < 500); % select relevant regions

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