pseudodistance

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• Natural pseudodistance — In size theory, the natural pseudodistance between two size pairs , is the value , where varies in the set of all homeomorphisms from the manifold to the manifold and …   Wikipedia

• Size function — Size functions are shape descriptors, in a geometrical/topological sense. They are functions from the half plane to the natural numbers, counting certain connected components of a topological space. They are used in pattern recognition and… …   Wikipedia

• List of mathematics articles (N) — NOTOC N N body problem N category N category number N connected space N dimensional sequential move puzzles N dimensional space N huge cardinal N jet N Mahlo cardinal N monoid N player game N set N skeleton N sphere N! conjecture Nabla symbol… …   Wikipedia

• Size pair — In size theory, a size pair is a pair (M,varphi), where M is a compact topological space and varphi:M o mathbb{R}^k is a continuous function Patrizio Frosini, Claudia Landi, Size theory as a topological tool for computer vision , Pattern… …   Wikipedia

• Size homotopy group — The concept of size homotopy group is the anologous in size theory of the classical concept of homotopy group. In order to give its definition, let us assume that a size pair (M,varphi) is given, where M is a closed manifold of class C^0 and… …   Wikipedia

• Matching distance — In mathematics, the matching distance[1][2] is a metric on the space of size functions. Example: The matching distance between …   Wikipedia

• Measuring function — In size theory, a measuring function is a continuous function from a topological space M to mathbb{R}^k . Patrizio Frosini, Claudia Landi, Size theory as a topological tool for computer vision , Pattern Recognition And Image Analysis, 9(4):596… …   Wikipedia