2016 Baltic Geodetic Congress (BGC Geomatics)

2-4 June 2016

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  • [Title page i]

    Publication Year: 2016, Page(s): i
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  • [Title page iii]

    Publication Year: 2016, Page(s): iii
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  • [Copyright notice]

    Publication Year: 2016, Page(s): iv
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  • Table of contents

    Publication Year: 2016, Page(s):v - viii
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  • Message from Scientific Committee Chair

    Publication Year: 2016, Page(s): ix
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  • Message from University Deans

    Publication Year: 2016, Page(s): x
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  • Conference Organization

    Publication Year: 2016, Page(s): xi
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  • International Scientific Committee

    Publication Year: 2016, Page(s): xii
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  • Acknowledgments - BGC Geomatics 2016

    Publication Year: 2016, Page(s): xiii
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  • A New Approach to Geodata Storage and Processing Based on Neural Model of the Bathymetric Surface

    Publication Year: 2016, Page(s):1 - 7
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (317 KB) | HTML iconHTML

    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... View full abstract»

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  • Accuracy of visual ego-motion estimation: A bike mapping system case study

    Publication Year: 2016, Page(s):8 - 14
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1825 KB) | HTML iconHTML

    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 t... View full abstract»

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  • Analysis of High Resolution Clouds of Points as a Source of Biometric Data

    Publication Year: 2016, Page(s):15 - 21
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (437 KB) | HTML iconHTML

    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 analy... View full abstract»

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  • Analysis of the Usefulness of LiDAR DEM to Update the River Network in the Topographic Database

    Publication Year: 2016, Page(s):22 - 27
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB) | HTML iconHTML

    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 differen... View full abstract»

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  • Analyzing the Geometry of the Turnouts and Their Adjustment Basing on the Tacheometer Measurements

    Publication Year: 2016, Page(s):28 - 33
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (210 KB) | HTML iconHTML

    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,... View full abstract»

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  • Application of Geofencing Technology for the Purpose of Spatial Analyses in Inland Mobile Navigation

    Publication Year: 2016, Page(s):34 - 39
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (279 KB) | HTML iconHTML

    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 a... View full abstract»

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  • Application of Regression Line to Obtain Specified Number of Points in Reduced Large Datasets

    Publication Year: 2016, Page(s):40 - 44
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (255 KB) | HTML iconHTML

    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 me... View full abstract»

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  • Application of RSSI Based Navigation in Indoor Positioning

    Publication Year: 2016, Page(s):45 - 50
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1037 KB) | HTML iconHTML

    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 ex... View full abstract»

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  • Application of Web-GIS and Cloud Computing to Automatic Satellite Image Correction

    Publication Year: 2016, Page(s):51 - 55
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    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 ... View full abstract»

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  • Cartographic Analyzes in GIScience

    Publication Year: 2016, Page(s):56 - 60
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    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 wa... View full abstract»

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  • Coastal Cliffs Monitoring and Prediction of Displacements Using Terrestial Laser Scanning

    Publication Year: 2016, Page(s):61 - 66
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (926 KB) | HTML iconHTML

    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... View full abstract»

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  • Comparison of Selected Machine Learning Algorithms for Sub-Pixel Imperviousness Change Assessment

    Publication Year: 2016, Page(s):67 - 72
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (277 KB) | HTML iconHTML

    The paper presents the comparison of nine machine learning algorithms for sub-pixel impervious surface area change assessment. Predictive models were tuned and trained using the caret package in R environment. Their performance was analyzed based on both cross-validation results and results obtained for validation dataset. A paired t-test was used to determine if the differences between model accu... View full abstract»

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  • Comparison of Selected Reduction Methods of Bathymetric Data Obtained by Multibeam Echosounder

    Publication Year: 2016, Page(s):73 - 77
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (902 KB) | HTML iconHTML

    The publication presents a comparison of various methods to reduce datasets obtained by multibeam echo sounder. Data reduction is the process of minimizing the amount of data that needs to be stored in a data storage environment. Data reduction makes data easier and more effective for the purposes of the analysis. The authors decided to compare selected reduction method used in hydrography: GeoSwa... View full abstract»

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  • Considerations on Indoor Navigation Based on Cheap Mobile Devices

    Publication Year: 2016, Page(s):78 - 84
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB) | HTML iconHTML

    Nowadays, almost everyone has their own portable computer in the form of a smartphone. It usually gives the ability of positioning and navigation using GPS signal. This method is not usually effective indoors. For navigation in buildings, other technologies based on completely different solutions should be used. There are many indoor navigation solutions available, based on the additional devices ... View full abstract»

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  • Cultural Heritage in Spatial Planning

    Publication Year: 2016, Page(s):85 - 89
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    The cultural heritage objects of each country should have a major impact on the development of space. Unfortunately, most often the investment needs prevail and only the most precious historical objects are protected. Thus often a monument is preserved, but its surroundings (which put it in context) are lost forever. This article addressed the issues of cultural heritage in relation to the spatial... View full abstract»

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  • Detecting Fog and Stratus in MODIS Data

    Publication Year: 2016, Page(s):90 - 94
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    The paper presents the results of MODIS images analyses focused on detection of fog and Stratus. The areas of the phenomena were distinguished in high resolution images by means of visual analyses of single spectral channels, differential products and color compositions. Brightness temperature data and reflectance diagrams were used to assess the internal structure of the observed objects and thei... View full abstract»

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