Pioneering efforts well studied the deformation decomposition of single earthquake using a pair ascending (ASC) and descending (DES) track InSAR data. However, sequent events is rarely discussed hard to implement. That's because it's ensure deformations related each can be recorded by ASC DES Three earthquakes (Mw>5.5) just hit Central Greece in March 2021, this sequence provides us with perfec...

in this paper, the main factors in the analysis of the railway concrete sleepers areinvestigated and new recommendations are made in order to improve the accuracy of the currentpractices in analysis of the railway track system. first, a comprehensive literature survey isconducted, then, fem models for a railway track system are developed and used to discuss andevaluate the assumptions commonly ...

We propose to organize at SAC 2006 a track dedicated to the recent trends in the domain of geometric constraint solving (GCS) and automated, or computer aided, deduction in geometry (ADG). Geometric problems are within the heart of many theoretical studies and engineering applications. For instance a large amount of problems from geometric modeling, computer graphics, computer vision, computer ...

A complete vehicle-ballasted track-bridge coupling dynamic model is established. A program to analyze dynamic characteristics is also invented, which is the first time to systematically analyze the dynamic characteristics of vehicles, tracks and bridges when using mats under ballast on the rigid foundation of bridge, in China. The results show that:(1) The mats under ballast are able to reduce ...

Emerging new surveillance technologies that use camera networks offer unprecedented capabilities for law enforcement agencies as well as health-care opportunities. A challenging problem is to track people through very sparse sensor measurements to reduce the cost of expensive sensors and be robust to sensor failure. In this paper we propose a Coupled State Space Model (CSSM) to track people acr...

Implicit representations of geometry have found applications in shape modeling, simulation, and other graphics pipelines. These representations, however, do not provide information about the paths of individual points as shapes move and undergo deformation. For this reason, we reconsider the problem of tracking points on level set surfaces, with the goal of designing an algorithm that — unlike ...

We present a non-incremental approach to structure from motion. Our solution is based on robustly computing global rotations from relative geometries and feeding these into the known-rotation framework to create an initial solution for bundle adjustment. To increase robustness we present a new method for constructing reliable point tracks from pairwise matches. We show that our method can be se...