Hausdorff metric
E608816
The Hausdorff metric is a distance function that measures how far two subsets of a metric space are from each other, widely used in topology, geometry, and shape analysis.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Gromov–Hausdorff convergence | 1 |
| Hausdorff distance | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
distance function
ⓘ
mathematical concept ⓘ metric ⓘ |
| alternativeName |
Hausdorff distance
NERFINISHED
ⓘ
Pompeiu–Hausdorff metric NERFINISHED ⓘ |
| applicableTo |
closed and bounded subsets of a complete metric space
ⓘ
compact subsets of Euclidean space ⓘ |
| category | metric on sets ⓘ |
| codomain | nonnegative real numbers ⓘ |
| construction | based on supremum of point-to-set distances ⓘ |
| definedOn |
set of compact subsets of a metric space
ⓘ
set of nonempty closed subsets of a metric space ⓘ |
| domain | subsets of a metric space ⓘ |
| enables |
definition of completeness of hyperspaces
ⓘ
study of stability of attractors in dynamical systems ⓘ |
| field |
computer vision
ⓘ
functional analysis ⓘ image processing ⓘ metric geometry ⓘ shape analysis ⓘ topology ⓘ |
| mathematicalArea |
general topology
ⓘ
metric space theory ⓘ |
| measures |
distance between subsets
ⓘ
how far two subsets are from each other ⓘ |
| namedAfter | Felix Hausdorff NERFINISHED ⓘ |
| property |
equals zero if and only if sets are equal (for closed sets)
ⓘ
nonnegative ⓘ satisfies triangle inequality ⓘ symmetric ⓘ |
| relatedConcept |
Gromov–Hausdorff distance
NERFINISHED
ⓘ
Kuratowski convergence of sets NERFINISHED ⓘ Vietoris topology NERFINISHED ⓘ |
| requires | underlying metric space ⓘ |
| symbol | d_H ⓘ |
| topologicalRole |
induces topology on hyperspace of closed subsets
ⓘ
turns space of nonempty compact subsets into a metric space ⓘ |
| usedIn |
approximation of sets by polyhedra
ⓘ
continuity of set-valued maps ⓘ convergence of sets ⓘ fractal geometry ⓘ geometric modeling ⓘ object matching in images ⓘ pattern recognition ⓘ shape comparison ⓘ |
| uses | supremum over one set of infimum distances to the other set ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hausdorff distance
this entity surface form:
Gromov–Hausdorff convergence