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+-----------------------------------------------------------------+----------------------------------------------------------------------+
| .. figure:: | Bottleneck distance measures the similarity between two persistence |
-| img/perturb_pd.png | diagrams. It's the shortest distance b for which there exists a |
+| ../../doc/Bottleneck_distance/perturb_pd.png | diagrams. It's the shortest distance b for which there exists a |
| :figclass: align-center | perfect matching between the points of the two diagrams (+ all the |
| | diagonal points) such that any couple of matched points are at |
| Bottleneck distance is the length of | distance at most b. |