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The speed of Isomap algorithm depends greatly on the time needed to calculate the shortest paths, therefore, an optimized Isomap algorithm called F-Isomap was proposed. This algorithm adopts the adjacent nodes algorithm to replace the Dijkstra algorithm to calculate the shortest paths, in order to have quite high running rate. The validity of this method can be verified by experimental results.

KEYWORDS

Maniford Learning ; Isomap; Dijkstra algorithm

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Author: Chanchan Qin, Hongbo Xu, Lihua Wang

Source: http://www.scirp.org/



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