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A comment on Ask HN: What are some cool but obscure data structures you know about?. Parent comment

Re:Ask HN: What are some cool but obscure data structures yo... by superjan on Friday July 22, 2022 @08:57AM (#32191407)
One example is connected component analyis on images. In one linear scan of an image (2d or 3d) you can find all connected blobs in an image.
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