Often, the quality of the results in a noise map is expressed as a comparison between measured and calculated noise levels at several sample locations spread over the map. Although, under some circumstances this could be considered as a valid approximation, it excludes from the noise mapping process two very important stages: interpolation and classification. The two tasks must be applied to ob...

Mental representations of environments are embodied in cognitive maps. Cognitive maps enclose spatial and distance distortions, which appear due to transcription errors based on processing of map information. Participants processed complex cartographical maps of varying amounts of visual details like topography, boundaries and grid to examine their effects on recall and orientation performance....

We suggest an approach to grid optimization for a second order finite-difference scheme for elliptic equations. A model problem corresponding to the three-point finite-difference semidiscretization of the Laplace equation on a semi-infinite strip is considered. We relate the approximate boundary Neumann-to-Dirichlet map to a rational function and calculate steps of our finite-difference grid us...

Recently, smart grids have been considered as one of the vital elements in upgrading current power systems to a system with more reliability and efficiency. Distributed generation is necessary for most of these new networks. Indeed, in all cases that DGs are used in distribution systems, protection coordination failures may occur in multiple configurations of smart grids using DGs. In different...

The design of robust and area efficient power distribution networks for high speed, high complexity integrated circuits has become a challenging task. The integrity of the high frequency signals depends upon the impedance characteristics of the on-chip power distribution networks. The electrical characteristics of these multi-layer power distribution grids and the relevant design implications a...

It is necessary for a biped robot to recognize a surrounding environment when moving to the destination. This paper presents a method for path planning and obstacle avoidance for the biped robot. In our approach, the robot obtains color information and distance information of objects from images captured by a stereo camera system. Then, the robot generates a 2D grid map which locates floor regi...

This paper describes an approach using information theory to derive a new complexity measure for proteomics maps generated using 2-dimensional gel electrophoresis. The maps used in this study were partitioned into 5x5 grids and the total abundance of protein material in each grid was compared to the total abundance for the entire map. Next, Shannon's relation was applied to characterize the dis...