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Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record.
Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record.
Presently, bathymetric data in the navigational electronic charts are presented in the simplified form as points, lines and polygons. Such presentation of the data causes that the navigational chart contains blank spaces where is lack of bathymetric information. This work presents a new approach to the processing and storing of bathymetric data. It is based on the use of artificial neural networks,...
This paper describes first tests of mobile mapping system prototype designed for a bike. The mapping platform is equipped with two cameras synchronized using the GNSS receiver output. Other devices such as a laser scanner or IMU are supposed to be fully integrated in the future. Addressed research concentrates on the accuracy of a trajectory estimation using purely visual information. During the tests,...
The article presents the analysis devoted to human face data obtained by means of precise photographic scanners. Collected point clouds were used to make high precision meshes of human face. The essence of these studies is the comparison of relative features as well as the comparison of absolute models which require as precisely as possible matching of face models. The article focuses on the analysis...
Detection of river network based on DEM analysis is fairly well described in the literature. However the aspect of the quality of input data is often overlooked. The publication presents a solution involving the use of high resolution DTM in order to verify the effectiveness of the flow direction algorithm. In the first step, based on the data ALS, rasters in the form of a regular grid of different...
The article presents the results of tacheometric measurements of a station throat, as well as the method of data preparation and analysis. The calculations covered the verification of the geometry and the location of railway turnouts and crossings. The analyses were performed for the selected parameters of the turnout geometry, including their lengths and track gauge in main sections. In addition,...
In this paper we analyze geofencing technology in inland mobile navigation systems. We describe implementation issues related to proximity analysis used for safety and informational purposes with the usage of geofences. This includes generation of warnings and alarm messages when approaching to navigational hazards. Characteristics of spatial data management in mobile on-water navigation systems are...
Modern measurement techniques like scanning technology or sonar measurements, provide large datasets, which are a reliable source of information about measured object, however such datasets are sometimes difficult to develop. Therefore, the algorithms for reducing the number of such sets are incorporated into their processing. In the reduction algorithms based on the cartographic generalization method,...
Traditional satellite positioning systems based on the GNSS observations satisfies the need for localization in the outdoors environment. Nowadays, people want to know their position also inside buildings. The traditional satellite positioning systems cannot be used in such places. But there are some new technologies that allows for indoor positioning. The alternative in those places can be for example...
Radiometric calibration of satellite imagery requires coupling of atmospheric and topographic parameters, which constitutes serious computational problems in particular in complex geographical terrain. Successful application of topographic normalization algorithms for calibration purposes requires integration of several types of high-resolution geographic datasets and their processing in a common...
This paper presents a method of cartographic analysis named morphology of parcel mosaic as a tool in GIScience. The method uses the ArcMap program, spatial modelling, spatial statistical analysis, computationally intensive tools and visualisation that enable extracting and mapping information from large data sets about large-scale spatial processes. It was shown that morphology of parcel mosaic was...
Coastal cliffs are very sensitive to degradation caused by erosion and abrasion. Thus, it is very important to monitor susceptibility of the cliffs in terms of slope angles and ground fall resulting from vertical morphology of the cliffs. The results could be used for example to establish the boundaries of the safe investments zone or retreat infrastructure buildings in case of real threat such as...
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