This thesis introduces a new algorithm for quickly answering repetitive least-cost queries between pairs of points on the Earth's surface as represented by digital topographical maps. The algorithm uses a three-step process; preprocessing, geometrically modified Dijkstra search, and postprocessing. The preprocessing step computes and saves highly valuable global information that describes the u...

This report investigates the application of two Computer Vision techniques for characterizing critical regions in digital terrain maps: Skeletonization and Topographical Region Detection. The Navigation Path Planning problem involves nding the optimal path through a digital terrain Map and must minimize a cost function while satisfying the constraints of navigation. This process is computationa...

When preparing to perform a task, the brain settles into task-set states which are relevant for the selection of the appropriate task-rules and stimulus-response mappings. The way this selection takes place within the Language domain is not well understood. We used high-density electrophysiological recordings while participants were engaged in a task in which cues directed their attention to th...

BACKGROUND With myriad geospatial datasets now available for terrain information extraction and particularly streamline demarcation, there arises questions regarding the scale, accuracy and sensitivity of the initial dataset from which these aspects are derived, as they influence all other parameters computed subsequently. In this study, digital elevation models (DEM) derived from Advanced Spac...

The Topographical Collection of King George III—known as the “K. Top. collection”—includes maps, views, architectural drawings, atlases, sea charts, and counts one world’s most significan...

The unique event related brain potential (ERP) called the eye fixation related potential (EFRP) is obtained with averaging EEGs at terminations of saccadic eye movements. Firstly, authors reviewed some studies on EFRP in games and in ergonomics and, secondly introduced a new system for assessment of visual entertainments by using EFRP. The distinctive feature of the system is that we can measur...