2015
Narrow passage identification using cell decomposition approximation and minimum spanning tree
ABBADI, Ahmad; Radomil MATOUSEK a Lukas KNISPELZákladní údaje
Originální název
Narrow passage identification using cell decomposition approximation and minimum spanning tree
Autoři
ABBADI, Ahmad; Radomil MATOUSEK a Lukas KNISPEL
Vydání
Brno, International Conference of Soft Computing, Mendel Journal series, od s. 131-138, 8 s. 2015
Nakladatel
BUT FME
Další údaje
Jazyk
angličtina
Typ výsledku
Stať ve sborníku
Obor
10201 Computer sciences, information science, bioinformatics
Stát vydavatele
Česká republika
Utajení
není předmětem státního či obchodního tajemství
Forma vydání
elektronická verze "online"
Kód RIV
RIV/00216224:14330/15:00083544
Organizační jednotka
Fakulta informatiky
ISSN
Klíčová slova anglicky
Narrow passage; cell decomposition; minimum spanning tree MST; Motion planning; sampling based algorithm
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 5. 5. 2016 04:28, RNDr. Pavel Šmerk, Ph.D.
Anotace
V originále
Narrow passage problem is a problematic issue facing the sampling-based motion planner. In this paper, a new approach for narrow areas identification is proposed. The quad-tree cell-decomposition approximation is used to divide the free workspace into smaller cells, and build a graph of adjacency for these. The proposed method follows the graph edges and finds a sequence of cells, which have the same size, preceded and followed by a bigger cell size. The sequence, which has the pattern bigger-smaller-bigger cells size, is more likely to be located in a narrow area. The minimum spanning tree algorithm is used, to linearize adjacency graph. Many methods have been proposed to manipulate the edges cost in the graph, in order to make the generated spanning tree traverse through narrow passages in detectable ways. Five methods have been proposed, some of them give bad results, and the others give better on in simulations