A road generalization method using layered stroke networks

Abstract

A sketch map is a generalized simple map using abstractive and graphical symbols to provide the information for a specific purpose, e.g., tourist information or a guidance for commercial facilities, and it becomes popular and be widely used due to its good readability. A sketch map consists of the only necessary (or requested) facilities, such as restaurants or parking lots, and their adjacent necessary roads. This implies that to generate a sketch map, we have to select the necessary roads and remove the others, which is called a road generalization. However, it is a difficult problem to automatically select all the necessary roads when the facilities are given.

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