The efficiency of an Evolutionary Algorithm is highly sensitive to the mutation and crossover
operators it possesses, as well as to the strategy used for determining the direction of …

Studies from public and environmental health show strong indication of the importance of
visible urban green space. However, current approaches for modelling viewshed based …

Computing a viewshed for a space (a polygon), rather than a single location (a point),
requires analysis of the maximum terrain extent observable from any location within the …

Viewshed computation of a digital elevation model (DEM) plays an important role in a
geographic information system, but the required high computational time is a serious …

With the rapid development of geographic information technology, the expression of
topographic spatial semantic relationships has become a research hotspot in the field of …

Viewshed analysis is a common GIS capability used in various domains with various
requirements. In avionics, viewshed analysis is a part of accuracy critical applications and …