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Image Completion Using Depth Maps
Valeš, Ondřej ; Brejcha, Jan (referee) ; Čadík, Martin (advisor)
The aim of this thesis is to design and implement aplication for dataset driven scene completion utilizing data from similar dataset images and test the posibility of generating data used in reconstruction directly from depth map. For scene matching in dataset novel modification of GIST descriptor including depth data is used. Furthermore, depth maps can be used to split reconstructed image into parts with similar depth, simplifying reconstruction process. Part of this thesis is also computing GIST descriptors for datset images and implementation of tools for searching datset for similar images using depth maps.
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A Set of Web Tools for Visualization Geo-Location System Performance
Hodoval, Pavel ; Pavelková, Alena (referee) ; Brejcha, Jan (advisor)
Aim of this thesis is to create a set of web tools and web user interface to present the results of geo-location system. Thesis contains introduction to theory of data visualization in cartography and basic image processing algorithms. Also there is a research of existingsolutions and tools as well as available web technologies. As a result, a library for geographic data processing and visualization was implemented and its results are shown as web map presenting geographical and statistical data. Quality of the implementation was verified and tested by user test and automated machine test with mostly positive results.
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Algorithms for Automatic Spherical Image and Video Cropping
Ivančo, Martin ; Brejcha, Jan (referee) ; Čadík, Martin (advisor)
Cieľom tejto práce je priniesť detailný pohľad na doterajší prieskum v oblasti sférických videí. Konkrétne sa táto práca zameriava na problém tvorby videa s normálnym zorným poľom zo sférického videa pre potreby zobrazovania. Prináša tiež implementáciu niektorých dostupných metód. Doteraz boli predstavené tri metódy v štyroch článkoch, ktoré riešia tento problém. Všetky priniesli zaujímavé výsledky a táto práca sa dvomi z nich zaoberá hlbšie. Táto práca tiež prináša základnú metódu využívajúcu overené metódy automat- ického orezu obrazu. Táto metóda je využitá na porovnanie so skúmanými metódami, u ktorých zvýrazní ich vylepšenia ale aj nedostatky. Na základe porovnania metód pomocou užívateľského experimentu táto práca usudzuje, že najlepšou zo skúmaných metód pre túto úlohu je upravená varianta metódy od Pavel et al. [14], predstavená v tejto práci.
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Color-to-Grayscale Conversions
Pospíšil, Petr ; Brejcha, Jan (referee) ; Čadík, Martin (advisor)
Grayscale pictures were never replaced by color ones and will probably never be, because they are indispensable in many areas. In this thesis was chosen three methods for color-to-gray conversion. These methods was implemented afterwards. Within this thesis was also made test set of 24 HDR pictures, which was together with existing set of 24 LDR pictures used to test and evaluate features of implemented methods. These methods were also compared from the point of accurancy and preference using questionnaire.
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Virtual Waiting Room Data Base Storage
Sadloň, Matej ; Brejcha, Jan (referee) ; Kolář, Martin (advisor)
This thesis is part of project called Virtual Waiting Room. It is a cross-platform application which allows users to book a term with a provider without the need to personally wait in a waiting room. The thesis describes the design and implementation of database, library for work with this database, and a client for the administration of providers and waiting rooms. For this purpose, was used technologies such as MySQL, PHP and HTML.
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Library for OSM Rendering on Smartphones
Vaďura, David ; Brejcha, Jan (referee) ; Herout, Adam (advisor)
The aim of my work was to design and implement a vector map rendering library for mobile phones. The source of the data for the library is the project OpenStreetMap. The library must include these functions: loading and caching of tiles, support for online and offline maps, rendering of all geometry types and possibility to define custom map style. The proposed architecture uses a hybrid approach to presenting the map. Base features are rendered into texture upon loading them. Layers containing text or icons are rendered in real-time above the base map. This enables them to rotate and it ensures that the text stays readable even when zoomed in. The resulting library was implemented in C++ using OpenGL ES for hardware accelerated rendering. It works on both iOS and Android, and it is designed in such a way, that it can be easily used by individuals and companies.
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Vistual Waiting Room Client for Service Provider
Křek, Radim ; Brejcha, Jan (referee) ; Kolář, Martin (advisor)
Very often we get into situation where we have to wait a long time in queue wher nobody knows who's next. Therfore we have more systems based on Virtual queues. This bachelor's thesis deals with a description of the creation of Android application which will work as client for Virtual queue based system. It also describes the server and communication protocol as an essential components for the correct functioning of the application.
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Mobile Robot Localization in Indoor Scenarios
Sýkora, Tomáš ; Brejcha, Jan (referee) ; Beran, Vítězslav (advisor)
The goal of this project was to create a software for an autonomous mobile robot capable of navigation in indoor scenarios and of detection and recognition of the objects on its way. An important condition that the final software had to meet was to find the cheapest solution possible. I achieved the given goal and its conditions using an open source software framework Robotic Operating System (ROS) and its tools. The final system is a set of ROS modules communicating with each other, using a single sensor as an input data stream and a small motor which is able to send information about its velocity and rotations to the control part of the system. This mobile robot can, without any significant problems, navigate through a mapped area while trying to find trained objects. Such a robot could be easily used (after adding specific mechanical parts) to help retired or disabled people, to cooperate with industry workers or in many other fields.
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Object Instance Search in Image Dataset
Medvec, Juraj ; Brejcha, Jan (referee) ; Beran, Vítězslav (advisor)
This project is focused on the selected techniques for image searching. In the introduction are presented all existing solutions, which are used in daily use. The other chapters are focused on creating resulting framework. On the end is introduced the demo application, which is using the framework for searching books by front page image.
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Algorithms for Automatic Image Cropping
Ambrož, Vít ; Brejcha, Jan (referee) ; Čadík, Martin (advisor)
The main goal of this bachelor thesis is study and implementation of methods that can automatically crop images, so the result has good usability from a photographic view. In this thesis are made experiments with three methods and possible optimalizations are discussed. The properties of cropping algorithms are also described here and the evaluation of implemented algoritmhs is made according to user testing.
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