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115 results on '"Inspektor, Tomáš"'

1. Sparse Big Data Problem. A Case Study of Czech Graffiti Crimes

Author

Horák, Jiří, Ivan, Igor, Inspektor, Tomáš, Tesla, Jan, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Singleton, Alex, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2017
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2. Google Trends for Data Mining. Study of Czech Towns

Author

Horák, Jiří, Ivan, Igor, Kukuliač, Pavel, Inspektor, Tomáš, Devečka, Branislav, Návratová, Markéta, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Bǎdicǎ, Costin, editor, Nguyen, Ngoc Thanh, editor, and Brezovan, Marius, editor

Published
2013
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5. Open Source First Person View 3D Point Cloud Visualizer for Large Data Sets

Author

Palha, Arnaud, Murtiyoso, Arnadi, Michelin, Jean-Christophe, Alby, Emmanuel, Grussenmeyer, Pierre, Ivan, Igor, Singleton, Alex, Horák, Jiří, Inspektor, Tomáš, Laboratoire des sciences de l'ingénieur, de l'informatique et de l'imagerie (ICube), Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)-École Nationale du Génie de l'Eau et de l'Environnement de Strasbourg (ENGEES)-Réseau nanophotonique et optique, Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Matériaux et nanosciences d'Alsace (FMNGE), Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), École Nationale du Génie de l'Eau et de l'Environnement de Strasbourg (ENGEES)-Université de Strasbourg (UNISTRA)-Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National de Recherche en Informatique et en Automatique (Inria)-Les Hôpitaux Universitaires de Strasbourg (HUS)-Centre National de la Recherche Scientifique (CNRS)-Matériaux et Nanosciences Grand-Est (MNGE), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Réseau nanophotonique et optique, and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.OTHER]Engineering Sciences [physics]/Other, Source code, Laser scanning, Computer science, media_common.quotation_subject, OpenGL, Immersive, Point cloud, 02 engineering and technology, 010502 geochemistry & geophysics, computer.software_genre, 01 natural sciences, Rendering (computer graphics), Software, Computer graphics (images), 0202 electrical engineering, electronic engineering, information engineering, Quadtree, Random tree sampling, 0105 earth and related environmental sciences, media_common, Visualization, Database, business.industry, 020207 software engineering, Large point cloud, business, computer
Abstract

International audience; The use of laser scanning techniques has become a common way to measure the real world. Millions of points could be generated by this system, which brings forth the problem of visualizing and eventually performing analyses on them. In the open source domain, various software packages exist to visualize 3D point clouds. However, most of these software packages do not allow the real-time rendering of large point clouds. Few of them also allow visualization in an immersive manner. The research aims to create an open source viewer for large 3D point clouds, which enables a dynamic and immersive visualization. In order to do so, rendering and point cloud management strategies must be implemented to avoid overloading the computer’s memory. The rendering is done using OpenGL engine by utilizing the graphic card’s memory in order to perform faster visualization. The program consists of a pre-processing stage in which the point cloud files are divided into quadtrees and then subsampled using the random tree sampling method. The visualization itself will calculate the distance between the point of view and the center of nodes generated by the pre-processing stage. The amount of points rendered within each node will depend on this distance; the farther away the node is from the point of view, the fewer points are rendered. A loading and unloading function enables the point cloud to be rendered dynamically. With the point cloud management algorithm implemented, the resulting program is able to load large point clouds generated by a mobile laser scanner using an ordinary computer. The resulting program as well as the source code will be available for the public due to its open source nature.

Published
2016
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6. Surface Models for Geosciences / edited by Kateřina Růžičková, Tomáš Inspektor.

Author

Růžičková, Kateřina. editor., Inspektor, Tomáš. editor., SpringerLink (Online service), Růžičková, Kateřina. editor., Inspektor, Tomáš. editor., and SpringerLink (Online service)

Abstract

The aim of the conference is to present and discuss new methods, issues and challenges encountered in all parts of the complex process of gradual development and application of digital surface models. This process covers data capture, data generation, storage, model creation, validation, manipulation, utilization and visualization. Each stage requires suitable methods and involves issues that may substantially decrease the value of the model. Furthermore, the conference provides a platform to discuss the requirements, features and research approaches for 3D modeling, continuous field modeling and other geoscience applications. The conference covers the following topics: - LIDAR for elevation data - Radar interferometry for elevation data - Surface model creation - Surface model statistics - Surface model storage (including data formats, standardization, database) - Feature extraction - Analysis of surface models - Surface models for hydrology, meteorology, climatology - Surface models for signal spreading - Surface models for geology (structural, mining) - Surface models for environmental science - Surface models for visibility studies - Surface models for urban geography - Surface models for human geography - Uncertainty of surface models and digital terrain analysis - Surface model visual enhancement and rendering .

Published
2015

7. Geoinformatics for Intelligent Transportation / edited by Igor Ivan, Itzhak Benenson, Bin Jiang, Jiří Horák, James Haworth, Tomáš Inspektor.

Author

Ivan, Igor. editor., Benenson, Itzhak. editor., Jiang, Bin. editor., Horák, Jiří. editor., Haworth, James. editor., Inspektor, Tomáš. editor., SpringerLink (Online service), Ivan, Igor. editor., Benenson, Itzhak. editor., Jiang, Bin. editor., Horák, Jiří. editor., Haworth, James. editor., Inspektor, Tomáš. editor., and SpringerLink (Online service)

Abstract

The aim of the book is to present and discuss new methods, issues and challenges involved in geoinformatics’ contribution to making transportation more intelligent, efficient and human-friendly. It covers a wide range of topics related to transportation and geoinformatics. The themes are divided into four main sections: Transport modeling, Sensor data and services, Intelligent transport systems, and Transport planning and accessibility.

Published
2015

11. Mapping and monitoring unemployment hot spots towards identification of socially excluded localities: Case study of Ostrava.

Author

Inspektor, Tomáš, Ivan, Igor, and Horák, Jiří

Subjects
*UNEMPLOYMENT statistics, *SOCIAL marginality, *UNEMPLOYED people, *KERNEL functions, *BANDWIDTHS
Abstract

This paper is focused on mapping and monitoring of unemployment hot spots using registers of local authorities in the Ostrava City (Czech Republic) to identify socially excluded localities at the micro-scale. The register of unemployed persons and the population register provide data for quantification of specific indicators of a local labour situation. A share of the registered unemployed in reference to residents in productive age can substitute the rate of unemployment due to the high correlation of both indicators. The mapping of unemployment hot spots has been based on data from 2007, 2009, 2010 and 2011 using kernel density estimation. Various settings of bandwidths have been tested to identify socially excluded localities in the city in hopes of identifying the most accurate way to visualise the pattern. These localities have been identified in two expert studies and the most significant sign is considered to be increased unemployment. Appropriate settings of kernel density estimations of the unemployment indicator enable to identify the majority of experts' localised spots. The hot spots have been delimited by an isoline with a suitable boundary value obtained from an optimisation technique based on a coefficient of areal correspondence and an indicator of spatial extension. This method of isolines is recommended for mapping and monitoring of the development of localities in time. [ABSTRACT FROM AUTHOR]

Published
2014
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14. Configuration of Wireless Sensor Network in Olomouc

Author

Hejlová, Vendula, Pohanka, Tomáš, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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15. Dynamics of Legal Changes in Polish Cadastre

Author

Dawidowicz, Agnieszka, Klimach, Anna, Źróbek, Ryszard, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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20. Floreon+: A Web-Based Platform for Flood Prediction, Hydrologic Modelling and Dynamic Data Analysis

Author

Svatoň, Vaclav, Podhoranyi, Michal, Vavřík, Radim, Veteška, Patrik, Szturcová, Daniela, Vojtek, David, Martinovič, Jan, Vondrák, Vít, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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24. Dynamical Flash Flood Risk Forecast

Author

Rapant, Petr, Kolejka, Jaromír, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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27. Risk Management as a Stimulus for a Settlement and Landscape Transformation? Soil Erosion Threat Assessment in the Fields of Four Deserted Villages Based on LiDAR-Derived DEMs and ‘USLE’

Author

Holata, Lukáš, Kapička, Jiří, Světlík, Radek, Žížala, Daniel, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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31. Prediction Models for Landscape Development in GIS

Author

Nwaogu, Chukwudi, Benc, Antonín, Pechanec, Vilem, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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34. Applications of GIS in Analysis of Mars

Author

Kuźma, Marta, Gładysz, Łukasz, Gralewicz, Mateusz, Krawczyk, Paweł, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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36. Probabilistic Map-Matching for Low-Frequency GPS Trajectories

Author

Kempinska, Kira, Davies, Toby, Shawe-Taylor, John, Longley, Paul, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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38. Geo-Dynamic Decision Support System for Urban Traffic Management

Author

Kazak, Jan, Chalfen, Mieczysław, Kamińska, Joanna, Szewrański, Szymon, Świąder, Małgorzata, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2018
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42. Surveying of Open Pit Mine Using Low-Cost Aerial Photogrammetry

Author

Kovanič, Ľudovít, Blišťan, Peter, Zelizňaková, Vladislava, Palková, Jana, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Singleton, Alex, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2017
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43. Towards Better 3D Model Accuracy with Spherical Photogrammetry

Author

Pramulyo, Handoko, Harto, Agung Budi, Mertotaroeno, Saptomo Handoro, Murtiyoso, Arnadi, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Singleton, Alex, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2017
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46. Web-Based GIS Through a Big Data Open Source Computer Architecture for Real Time Monitoring Sensors of a Seaport

Author

Fernández, Pablo, Santana, Jose M., Ortega, Sebastián, Trujillo, Agustín, Suárez, Jose P., Santana, Jaisiel A., Sánchez, Alejandro, Domínguez, Conrado, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Singleton, Alex, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2017
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49. Open Source First Person View 3D Point Cloud Visualizer for Large Data Sets

Author

Palha, Arnaud, Murtiyoso, Arnadi, Michelin, Jean-Christophe, Alby, Emmanuel, Grussenmeyer, Pierre, Cartwright, William, Series editor, Gartner, Georg, Series editor, Meng, Liqiu, Series editor, Peterson, Michael P., Series editor, Ivan, Igor, editor, Singleton, Alex, editor, Horák, Jiří, editor, and Inspektor, Tomáš, editor

Published
2017
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