Název:
Large Perimeter Objects Surrounded by a 1.5D Terrain
Autoři:
Keikha, Vahideh Typ dokumentu: Výzkumné zprávy
Rok:
2022
Jazyk:
eng
Edice: Technical Report, svazek: V-1286
Abstrakt: Given is a 1.5D terrain T , i.e., an x-monotone polygonal chain in R2. Our objective is to approximate the largest area or perimeter convex polygon with at most k vertices inside T . For a constant k > 0, we design an FPTAS that efficiently approximates such polygons within a factor (1 − ǫ). For the special case of the´largest-perimeter contained triangle in T , we design an O(n log n) time exact algorithm that matches the same result for the area measure.
Instituce: Ústav informatiky AV ČR
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Informace o dostupnosti dokumentu:
Dokument je dostupný v repozitáři Akademie věd. Původní záznam: http://hdl.handle.net/11104/0330996