scholarly journals An Efficient Shortest Path Algorithm: Multi-Destinations in an Indoor Environment

Symmetry ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 421
Author(s):  
Mina Asaduzzaman ◽  
Tan Kim Geok ◽  
Ferdous Hossain ◽  
Shohel Sayeed ◽  
Azlan Abdaziz ◽  
...  
Keyword(s):  
Shortest Path ◽  
Real World ◽  
Indoor Environment ◽  
Minimum Weight ◽  
Single Source ◽  
Dijkstra Algorithm ◽  
Shortest Path Algorithm ◽  
Real World Data ◽  
Minimal Weight ◽  
Multiple Item

The shortest path-searching with the minimal weight for multiple destinations is a crucial need in an indoor applications, especially in supermarkets, warehouses, libraries, etc. However, when it is used for multiple item searches, its weight becomes higher as it searches only the shortest path between the single sources to each destination item separately. If the conventional Dijkstra algorithm is modified to multi-destination mode then the weight is decreased, but the output path is not considered as the real shortest path among multiple destinations items. Our proposed algorithm is more efficient for finding the shortest path among multiple destination items with minimum weight, compared to the single source single destination and modified multi-destinations of Dijkstra’s algorithm. In this research, our proposed method has been validated by real-world data as well as by simulated random solutions. Our advancement is more applicable in indoor environment applications based on multiple items or destinations searching.

Utilizing Restricted Direction Strategy and Binary Heap Technology to Optimize Dijkstra Algorithm in WebGIS

2009 ◽  
Vol 419-420 ◽  
pp. 557-560 ◽  
Author(s):  
Rui Li
Keyword(s):  
Shortest Path ◽  
Operating Efficiency ◽  
Dijkstra Algorithm ◽  
Shortest Path Algorithm ◽  
Research Focus ◽  
Network Information ◽  
The Core ◽  
Highway Network ◽  
Core Issue ◽  
Storage Structures

Shortest path is the core issue in application of WebGIS. Improving the efficiency of the algorithm is an urgent requirement to be resolved at present. By the lossy algorithm analyzing, which is the current research focus of the shortest path algorithm to optimize, utilizing adjacency table of storage structures, restricted direction strategy and binary heap technology to optimize the algorithm, thereby reduce the scale of algorithm to improve the operating efficiency of algorithm. This scheme has been applied in the simulation of the data downloaded from the Guangdong Provincial Highway Network Information System and satisfactory results have been obtained.

Application of Shortest-Path Algorithm in Embedded GIS System

2013 ◽  
Vol 663 ◽  
pp. 626-631
Author(s):  
Hong Xia Sun ◽  
Zheng Zhang
Keyword(s):  
Network Analysis ◽  
Emergency Response ◽  
Shortest Path ◽  
Program Implementation ◽  
Dijkstra Algorithm ◽  
Shortest Path Algorithm ◽  
Emergency Response System ◽  
Gps Navigation ◽  
Embedded Gis ◽  
Gis System

The shortest-path is an important issue in GIS network analysis, and its implementation in embedded systems has already been used widely in the mobile-device-based GPS navigation and city emergency response system fields. Based on our analysis and verification of the Dijkstra algorithm’s application to road network analysis, we presented in detail the design and program implementation of the Dijkstra algorithm and its flow chart. In this paper, the shortest-path example based on Dijkstra algorithm，which was developed in the MapXmobile5.0 and EVC4.0 environment, has been applied to embedded GIS system successfully. The comparison between the results from the program and manually obtained results has shown the Dijkstra algorithm’s feasibility and accuracy.

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