See slides Questions/Answers: Map building tree → rectangular world necessary? No, axioms are topological only What about boundary relations in a U-shaped road? Boundary relations need to be defeasible Comment (Ian Pratt-Hartmann) -> How do you know your axioms are right? Spatial calculi could be applied? BK: I agree Do you prune your map building tree? Because of hierarchy/topological abstract...

We construct a compactification X of the Bruhat-Tits building X associated to the group PGL(V ) which can be identified with the space of homothety classes of seminorms on V endowed with the topology of pointwise convergence. Then we define a continuous map from the projective space to X which extends the reduction map from Drinfeld’s p-adic symmetric domain to the building X. 2000 MSC: 20E42, ...

A wide range of sonar models and map update methods have been developed by researchers to create a map of an environment using a mobile robot. However these are generally developed in isolation from each other, and are rarely compared directly with other map building methods. When they are, either qualitative methods are applied, or the comparisons are based on different test data, making it pr...

This research takes one step towards using naturally-occurring and automatically detected features present in a structured environment for map building. We present a simple real-time algorithm for solving the vision task of extracting interesting cues from the environment, to be used as landmarks. The landmarks are used in a simultaneous localization and mapping (SLAM) algorithm based on an ext...

In this paper simultaneous localization and map building is performed with a hybrid, metric topological, approach. A global topological map connects local metric maps, allowing a compact environment model, which does not require global metric consistency and permits both precision and robustness. However, the most important innovation of the approach is the way how loops in the environment are ...

What are the requirements for building a historic deep map using literary data? This is the question we sought to address as part of an exploratory prototype in Lancaster Universitys Geospatial Innovation in the Digital Humanities: A Deep Map of the English Lake District project. We created a prototype deep map based on Thomas Wests A guide to the Lakes, and a historic map of Derwent Water Lake...

Building a map of the environment is a prerequisite for mobile robot navigation. In this paper, we present a semantic map building method for indoor navigation of a robot using only the image sequence acquired by a mon‐ ocular camera installed on the robot. First, a topological map of the environment is created, where each key frame forms a node of the map represented as visual words (VWs). The...

In this paper we describe a joint approach for robot navigation with collision avoidance, pose estimation and map building with a 2.5D PMD (Photonic Mixer Device)-Camera combined with a highresolution spherical camera. The cameras are mounted at the front of the robot with a certain inclination angle. The navigation and map building consists of two steps: When entering new terrain the robot fir...

the informal settlements are those parts of city which have been formed without plan or minimum facilities and services. therefore, they are considered as priorities in management cities for services and improving quality of life. in this regard, it is important to get solutions to make positive changes with the lowest cost and direct intervention. therefore, this study aims to explore the link...

Compared with optical sensors, Synthetic Aperture Radar (SAR) can provide important damage information due to its ability to map areas affected by earthquakes independently from weather conditions and solar illumination. In 2013, a new TerraSAR-X mode named staring spotlight (ST), whose azimuth resolution was improved to 0.24 m, was introduced for various applications. This data source made it ...