In this paper, detailed studies have been performed for developing a real time system to be used for surveillance of the traffic flow by using monocular video cameras to find speeds of the vehicles for secure travelling are presented. We assume that the studied road segment is planar and straight, the camera is tilted downward a bridge and the length of one line segment in the image is known. I...

High-rise buildings subjected to lateral loads such as wind and earthquake loads must be checked not to exceed the limits on the maximum lateral displacement or the maximum inter-story drift ratios. In this paper, a sensing model for deformed shapes of a building structure in motion is presented. The deformed shape sensing model based on a 2D scanner consists of five modules: (1) module for acq...

Abstract Displacements in typical monitoring applications occur 3D but having sensors capable of measuring such deformations with areal coverage is rare. One way could be to combine three or more line-of-sight measurements carried out from different locations at the same time and derive displacement vectors. Automotive Multiple-Input-Multiple-Output Synthetic Aperture Radar (MIMO-SAR) systems a...

Tidal induced displacement is one of the systematic errors that contribute to the scatter in the geodetic measurements derived from the GPS system. This paper focuses on ascertaining and reducing tidal induced errors due to ocean tide loading (OTL) at two GPS sites, namely CGSJ (Coast Guard Saint John, New Brunswick) and DRHS (Digby High School, Nova Scotia), established under the Princess of A...

This paper addresses some key aspects regarding integrated use of radar, optical and GPS data over Vrancea seismic area in Romania in order to assess active tectonic of this region, since it has allowed the detection of active movements mainly coincident with active faults and/or with areas of seimicity concentration. Field studies should be oriented to the locations where seismic anomalies hav...

In this paper, an analysis of two techniques for finding a point-by-point (deterministic) attitude solution of a vehicle using Global Positioning System phase difference measurements is preformed. These techniques transform a general loss function into a more numerically efficient form. One technique determines three-dimensional vectors in the body coordinate system, and the other in the refere...

In this paper we describe the implementation and rst numerical results for the su-perfast algorithm based on a modiied version of the Bitmead/Anderson-algorithm for real symmetric positive deenite matrices of displacement rank 2. The total number of arithmetic operations for this algorithm is of order 93:75 n log(n) 2 ops. The method is based on repeatedly dividing the original problem into two...