Dissertations / Theses on the topic 'Realitní databáze'

This Master's thesis deals with the creation of a geographic information system with a focus on real estate business. It shows the possibilities of future real estate business and also the overall intersection of geographic information systems to the real estate market. The area of interest is a town in Eastern Bohemia Holice and its surroundings. GIS is created in ArcGIS 9.3 The all work contains fifteen chapters. The beginning is theoretical, then we get to specific ways of use and their subsequent visualization through the creation of specific procedures. The whole geographic information system is exported to a format that supports freely available browser. The annexes are located mainly with the DVD system and eleven graphic outputs from GIS.

This work deals with the requirements analysis of the online content management system of real estate agency. The aim of the work is to suggest and implement this system. The emphasis is mainly on the possibility of data synchronization with Czech real estate servers. On the basis of the appreciation of several different methods used for the data exchange there are illustrated their benefits and disadvantages. Ascertained matter will be used for the proposal of the method of synchronization among real estate systems. System is built by using PHP 5 and MySQL, XML, XSLT, XHTML, CSS, JavaScript, XML-RPC technologies.

This diploma thesis is about real estate market comparative appraisement, statistical approach and how to use software for data gathering and processing in its practical part. Practical part also includes draft of appraising algorithm. In the end of practical part, there are check of application's output and comparison of computed prices to both real traded prices and advertisement prices.

This diploma thesis deals with an analysis of localities in Uherske Hradiste and their influence on the usual price of housing units in years 2015-2017. A part of thesis is formation and evaluation of questionnaire and also detection of the prices of housing units according to preferences of respondents. This thesis includes databases of flats in given localities and the comparison of their price as well as the comparison of prices according to database with price entries from the land register and prices according to database of own record keeping and in the same time from advertized offers from real estates.

This thesis compares the selected type of property valuation methods in the garage area of the Prostějov. Due to instructions of the work, the methods of valuation were chosen: cost method, comparison according to law and comparison based on databases. The thesis consists of a theoretical part, where is the introduction of basic concepts, market analysis and valuation of real estate. This is followed by a practical part, where is the description of the site and the actual value of selected garages with their descriptions and photographs. Differences of ways of valuation and their causes, which are based on obtained data, are discussed at the end of work.

The aim of this dissertation is to find out the effect of alterations on market value of he property, specifically apartments in concrete-block buildings. Evaluation is made chiefly on factors influencing layout. First of all brief information about the subject is given. Secondly market influences are determined for the purpose of eliminating them by differential index and unifying input data. Afterwards, market values of apartments with alternations are compared with ones without alternations from database. At the end of the thesis alternations are calculated and recovery of the costs are detected.

The submitted thesis focuses on establishing the extent of influence of material composition of selected segment of real estates (units) on their market price and price of the existing properties in the locality, including reasoning and experimental validation of market value (or market price) assessment methodology of the given property. It is indisputable that there are many subjective opinions and views of each individual assessor (of expert opinion) entering into the process of property assessment. Therefore it is necessary to “standardise” or rather unify, if possible, at least some input data in a way most likely preventing disproportions that are still a part of expert practise nowadays. The influence of material composition on the value (price) of the property, as for the relation to unit size, its locality and also its age and technical condition, is within this thesis verified first of all in computational phase of the assessment of the specific unit, when it in principle shows possible inaccuracy in assessing the final price of property, which should be avoided by a proper expert assessment. Practical impact and use of the influence of material composition is applied within the comparative method as one of several assessment methods that can be employed in establishing (assessment) of market value of the property.

Thesis (M.M.A.S.)--School of Advanced Airpower Studies, 1995.
Subject: The near-term military utility of virtual reality (VR) and its component technologies to the battle management of an air campaign. Cover page date: June 1995. Vita. Includes bibliographical references.

The main campus of Virginia Polytechnic Institute and State University (Virginia Tech) has more than 120 buildings. The campus visitors face problems recognizing a building, finding a building, obtaining directions from one building to another, and getting information about a building. The exploratory development research described herein resulted in an iPhone / iPad software application (app) named VTQuestAR that provides assistance to the campus visitors by using the Augmented Reality (AR) technology. The Machine Learning (ML) technology is used to recognize a sample of 31 campus buildings in real-time. The VTQuestAR app enables the user to have a visual interactive experience with those 31 campus buildings by superimposing building information on top of the building picture shown through the camera. The app also enables the user to get directions from the current location or a building to another building displayed on a 2D map as well as an AR map. The user can perform complex searches on 122 campus buildings by building name, description, abbreviation, category, address, and year built. The app enables the user to take multimedia notes during a campus visit. Our exploratory development research illustrates the feasibility of using AR and ML in providing much more effective assistance to visitors of any organization.
Master of Science
The main campus of Virginia Polytechnic Institute and State University (Virginia Tech) has more than 120 buildings. The campus visitors face problems recognizing a building, finding a building, obtaining directions from one building to another, and getting information about a building. The exploratory development research described herein resulted in an iPhone / iPad software application named VTQuestAR that provides assistance to the campus visitors by using the Augmented Reality (AR) and Machine Learning (ML) technologies. Our research illustrates the feasibility of using AR and ML in providing much more effective assistance to visitors of any organization.

Three dimensional visualisation achieves tremendous savings in time and costs during the design process. Due to these circumstances this methods are gaining in importance. For example improvement in performance and the product security or enabling the operative optimization of a production sequence. By the virtual testing it is possible to validate a product in the whole developing process and product lifecycle. The flight simulator ATILa at Airbus Defence and Space in Friedrichshafen uses these advantages for own products. ATILa is used to test intelligent assistance systems for helicopter pilots. Here the graphic implementation of the virtual earth plays a key role when practicing realistical scenarios. This approach is implemented with the Common Database (CDB) which is enabled by the definition of specifications and standards. Different commercial software packages by Presagis are used to implement the aforementioned database. The software Terra Vista is used for the database generation, including the compilation. For the CDB implementation the software Vega Prime is used to prepare the data with the help of the RTP. The software Vega Prime is not able to display 3D models with LODs, due to a software error. Therefore a third software named Creator is used to modify them. The 3D models are available in the OpenFlight Format. This OpenFlight format consists of different kind of nodes with a complex hierarchical structure. Other software solutions, such as Autodesk or Blender, are not able to provide access to the specific structure. The edited models can be integrated in the virtual environment and have to defined by unambiguous indices. Various settings are used to implement the objects automatically. The compilation of the area of interest takes place by the definition of a geotile with a specific size depending on the latitude. The CDB ouput will be transferred by Vega Prime and with the help of the RTP into the simulator. In addition, there is the possibility to render various CDB databases in the simulator to enable a visualisation of the complete earth. Finally, any errors occurring will be described and methods of resolution explained. The complexity of the generation process of a CDB database could be represented with this thesis. However, the whole workflow of the visualisation of the earth is still in its initial stages, since among other things there are errors in the software. To sum up; the potential of the CDB can be evaluated as above average
Die 3D Visualisierung vereinfacht den Planungsprozess und geht somit mit einer Zeit- und Kosten- einsparung einher. Aufgrund dieser Sachverhalte gewinnt sie immer weiter an Bedeutung, um zum Beispiel eine verbesserte und sichere Benutzung eines Produktes oder einen optimierten Betrieb einer Produktionskette zu ermöglichen. Durch vorherige virtuelle Erprobung und Vali- dierung eines Produktes können Kosten für den gesamten Entwicklungsprozess und den Pro- duktlebenszyklus gering gehalten werden. Im Flugsimulator für Helikopter namens ATILa in Friedrichshafen (Airbus Defence and Space) versucht man die genannten Vorteile für die eigenen Produkte zu nutzen. Im ATILa werden Assistenzsysteme geprüft, welche die Helikopterpiloten während ihres Fluges unterstützen sollen. Hierbei spielt die grafische Umsetzung der virtuellen Erde in dem Simulator eine entscheidende Rolle, um die Szenarien realitätsnah durchführen zu können. Dies kann mit Hilfe einer sogenannten Common Database (CDB), die durch Spezi- fikationen und Standards definiert ist, umgesetzt werden. Mittels verschiedener kommerzieller Softwarepakete der Firma Presagis lässt sich die oben genannte Datenbank erstellen. Die Gener- ierung und Kompilierung wird mit dem Softwareprogramm Terra Vista vorgenommen. Die Imple- mentierung der CDB in den Flugsimulator erfolgt mit der Software Vega Prime, welche die Daten über einen RTP zur Verfügung stellt. Da dieses Programm durch einen Softwarefehler nicht in der Lage ist, 3D Modelle mit verschiedenen Detaillierungsgraden darzustellen, muss eine dritte Soft- ware namens Creator genutzt werden. Die 3D Modelle liegen im OpenFlight Format vor. Dieses OpenFlight Format weist eine komplexe hierarchische Struktur aus verschiedenen Knoten auf. Andere Softwarelösungen, wie Autodesk oder Blender, sind nicht in der Lage einen Einblick in die spezielle Struktur zu geben. Die bearbeiteten Modelle können dann in der virtuellen Umgebung eingebunden und müssen durch eindeutige Indizes definiert werden. Verschiedene Einstellun- gen werden genutzt, um Objekte automatisch einzubinden. Die Kompilierung des Interessenge- bietes erfolgt über die Definition einer Geokachel mit einer bestimmten Größe, die abhängig vom Breitengrad ist. Die ausgegebene CDB wird mit Vega Prime und mit Hilfe des RTPs in den Simu- lator übertragen. Des Weiteren gibt es die Möglichkeit verschiedene CDB Datenbanken im Sim- ulator simultan zu rendern, was eine vollständige Visualisierung der kompletten Erde ermöglicht. Abschließend werden aufgetretene Fehler näher beschrieben und Lösungsansätze erläutert. Mit der vorliegenden Arbeit konnte die Komplexität der Entstehung einer CDB Datenbank dargestellt werden. Dennoch befindet sich der gesamte Arbeitsablauf der Visualisierung der Erde noch am Anfang, da u.a. Softwarefehler zu bemängeln sind. Zusammenfassend kann das Potenzial einer CDB als überdurchschnittlich bewertet werden

In an ever-changing and demanding world where short assembly and innovation times are indispensable, it is of paramount importance to ensure that the machinery used throughout the whole process of a product are in their best possible condition. This guarantees that the performance of each machine will be optimal, and hence, the process times will be the shortest possible, while the best quality products are obtained. Moreover, having a machine in an impeccable status permits making the necessary changes to it, in order to fulfil the requirements that a more advanced or complex product may have. Maintenance operations and their corresponding trainings have historically been time-consuming, and a vast amount of information has been transmitted from an expert to a newer operator. This means that there has been the need of working with experienced operators to secure that a good service is provided. However, different technologies like augmented reality (AR) have been shown to have a positive impact in the support and monitoring of operators in industrial maintenance operations.The present project gathers information in regard to the framework of AR, with the aim of supporting and monitoring operators in industrial environments. The proposed method consists on the development of an artefact, which would lead to a possible improvement of the already existing solutions. It is believed that the development of an AR application could grant the necessary aid to any operator in maintenance operations. The result of this suggestion is an AR application which superimposes visual information on the physical equipment.

Este trabalho tem por objetivo propor uma metodologia de desenvolvimento virtual de produtos por meio da criação de um aplicativo de banco de dados com componentes individuais e utilizando a tecnologia da realidade virtual (VRML) para a visualização do produto final. Para o desenvolvimento do trabalho foram investigados: a influência da difusão das tecnologias de informação e comunicação (TICs) no setor industrial; o processo de desenvolvimento de produtos e suas etapas; o design virtual e os recursos computacionais utilizados atualmente tanto na concepção quanto na prototipagem de produtos; a tecnologia da realidade virtual e sua aplicação nas diversas áreas, em especial, na indústria; e a utilização de padrões de metadados para a modelagem de banco de dados. O processo de intervenção ocorre por meio das seguintes etapas: análise e seleção de produtos para a montagem; projeto dos componentes individuais dos produtos; estruturação dos metadados; desenvolvimento do banco de dados e da metodologia de montagem. A metodologia de montagem é constituída de duas fases: na primeira, são definidos os pontos de inserção dos componentes (onde ocorre a conexão) e obtidas as suas coordenadas em um software CAD, a partir do seu modelo tridimensional, e também os demais metadados que caracterizam cada componente a ser cadastrado no banco de dados; criam-se arquivos em realidade virtual VRML de cada componente. Na segunda fase, modela-se o banco de dados, registrando todas as informações necessárias dos componentes e realizando a montagem dos produtos, através da conexão de dois componentes individuais em cada etapa de montagem. A metodologia de montagem de produtos virtuais está implementada no aplicativo de banco de dados chamado "dvPro", desenvolvido na plataforma do banco de dados Microsoft Access. O aplicativo possui interface amigável, possibilitando o cadastro de componentes, a montagem de produtos e a reutilização de componentes e produtos para a montagem de novos produtos, não exigindo do usuário grande conhecimento em banco de dados e realidade virtual. Apresentam-se dois exemplos de montagem de produtos, nos quais é possível verificar a viabilidade e a eficiência da metodologia proposta.
The objective of this work is to propose a methodology for virtual product development through the creation of a database with individual components and the use of virtual reality technology (VRML) to visualize the final product. For work development, the following subjects were investigated: the influence of information dissemination and communication technologies (ICTs) in the industrial sector; the process of product development, its stages; the virtual design and the computing resources currently used in design and product prototyping; the virtual reality technology and its application in various areas, especially in industry; and the use of metadata standards for database modeling. The intervention process occurs through the following phases: analysis and selection of products for assembly; design of individual product components; metadata structuring; development of database and assembly methodology. The assembly methodology has two steps: in the first, insertion points of components (where connections take place) are defined and its coordinates are obtained using a CAD software, based on the 3D model. Also, other metadata that characterize each component to be registered in the database are obtained and virtual reality VRML file for each component is created. In the second step, the database is modeled, recording all the information from the components and performing the product assembly, through the connection of two individual components in each assembly. The methodology for virtual assembly of products is implemented in a database application named "dvPro", developed on Microsoft Access database system. The application has a friendly interface, allowing component registration, product assembly and reusability of components and products to assembly new products. Only basic knowledge of database systems and virtual reality is needed to use the application. Two examples of assembly methodology are presented, where the feasibility and efficiency of the proposed methodology can be verified.

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Virtual Reality Systems have been used in diverse areas in recent years, providing many benefits. A class of these systems is for visualization and manipulation of virtual urban models, that can be used for urban planning, architectural, visualization and games. This work presents the conception and development of an optimized algorithm for urban virtual models visualization with cache, based in Geographical Database. The proposed cache strategy provides a good performance for urban virtual models walktrough. To test the proposed algorithm it was built an urban virtual model based on São Luis historical town.
Sistemas de Realidade Virtual têm sido utilizados em diversas áreas nos últimos anos, apresentando vários benefícios. Uma classe desses sistemas é a de manipulação e visualização de modelos virtuais urbanos, que podem ser usados para planejamento urbano, planejamento arquitetônico, visualização e jogos. Apresenta-se a concepção e o desenvolvimento de um algoritmo otimizado de visualização de modelos virtuais urbanos com cache baseado em Banco de Dados Geográficos. A estratégia de cache proposta possibilita um bom desempenho no caminhar (walktrough) em modelos virtuais urbanos. Para testar o algoritmo proposto foi construido um modelo virtual urbano baseado no centro histórico da cidade de São Luís.

博士
國立臺灣科技大學
資訊管理系
107
In recent years, there are abundant researches in artificial intelligence and deep learning. At the same time, Google Street View images are often used by us. We can use Google Street View to look up the scene views of destination where we want to go to. However, there is not much work that can automatically transform Google Street View images directly to a navigation video with the functionalities of object detection and image inpainting, and there is also not much work that can make the generated navigation video used together with a HTC Vive for displaying the 3DVR360 effect. In my works, this study tries to combine currently the two most popular computer science researches of deep learning (or artificial intelligence) and virtual reality. Totally, this study has developed the three versions of my system for the navigation video generation. First, in this GSVPlayer-HH&I (i.e. Google Street View Player with HOG+Haar and Inpainting), the system mainly adopts the CPU-based methods for object detection and image inpainting. Second, in this GSVPlayer-FRRCNN&I (i.e. Google Street View Player with Faster R-CNN and Inpainting), based on the foundation of GSVPlayer-HH&I, the system instead uses the GPU-based methods (Faster R-CNN) for object detection. Third, in this GSVPlayer-3DVR360 (i.e. Google Street View Player with Stereoscopic Virtual Reality 360 Display), the system implements a series of image processing, monocular depth map estimation, DIBR and 3DVR360 display. One of the results gained is that, even though there is a problem of longer computation time in this system, all users are still satisfied with this GSVPlayer-3DVR360. In my dissertation, for the three versions of my system, the results and evaluations regarding both quantities and qualities are presented respectively, and the discussion and limitation are explicitly explained. In conclusion, briefly speaking, the system I proposed is a complete integrated framework. In future works, there are several potential directions can be explored and researched, including the use of multiple computing servers, a new CNN of monocular depth estimation with the temporal sequence, synthesizing novel frames, the YOLO object detection method, and object detection and image inpainting on high-resolution images.

ABSTRACT A REAL TIME INDOOR NAVIGATION AND MONITORING SYSTEM FOR FIREFIGHTERS AND VISUALLY IMPAIRED MAY 2011 SIDDHESH RAJAN GANDHI M.S. E.C.E, UNIVERSITY OF MASSACHUSETTS AMHERST Directed by: Professor Aura Ganz There has been a widespread growth of technology in almost every facet of day to day life. But there are still important application areas in which technology advancements have not been implemented in a cost effective and user friendly manner. Such applications which we will address in this proposal include: 1) indoor localization and navigation of firefighters during rescue operations and 2) indoor localization and navigation for the blind and visually impaired population. Firefighting is a dangerous job to perform as there can be several unexpected hazards while rescuing victims. Since the firefighters do not have any knowledge about the internal structure of the fire ridden building, they will not be able to find the location of the EXIT door, a fact that can prove to be fatal. We introduce an indoor location tracking and navigation system (FIREGUIDE) using RFID technology integrated with augmented reality. FIREGUIDE assists the firefighters to find the nearest exit location by providing the navigation instructions to the exits as well as an Augmented Reality view of the location and direction of the exits. The system also presents the Incident Commander the current firefighter’s location superimposed on a map of the building floor. We envision that the FIREGUIDE system will save a significant number of firefighters and victims’ lives. Blind or visually impaired people find it difficult to navigate independently in both outdoor and indoor environments. The outdoor navigation problem can be solved by using systems that have GPS support. But indoor navigation systems for the blind or visually impaired are still a challenge to conquer, given the requirements of low cost and user friendly operation. In order to enhance the perception of indoor and unfamiliar environments for the blind and visually-impaired, as well as to aid in their navigation through such environments, we propose a novel approach that provides context–aware navigation services. INSIGHT uses RFID (Radio Frequency Identification), and tagged spaces (audio landmarks), enabling a ubiquitous computing system with contextual awareness of its users while providing them persistent and context-aware information. We present INSIGHT system that supports a number of unique features such as: a) Low deployment and maintenance cost; b) Scalability, i.e. we can deploy the system in very large buildings; c) An on-demand system that does not overwhelm the user, as it offers small amounts of information on demand; and d) Portability and ease-of-use, i.e., the custom handheld device carried by the user is compact and instructions are received audibly.