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Rendering Volumetric Data in Web Browser
Fisla, Jakub ; Zemčík, Pavel (referee) ; Španěl, Michal (advisor)
This thesis discusses rendering capabilities of web browsers of accelerated 3D scene rendering. It specifically deals with direct volumetric medical data visualization. It focuses on the usage of ray casting algorithm, its quality and its realistic rendering options. One of the goals was to create an application that demonstrates the ability to render three-dimensional volume data in a web browser using WebGL. The application is written in JavaSript and its 3D rendering core uses the Three.js library.
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Probability-based model for network traffic
Bednár, Peter ; Jelínek, Mojmír (referee) ; Molnár, Karol (advisor)
This work identifies several basic types of traffic in IP networks and describes main features. The basic network services such as HTTP, VoIP and electronic mail are discussed focusing mainly on HTTP and VoIP probability-based models for network traffic which are applied to the software simulation of real network.
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Video Format Support in Browsers and Possibility of Security Against Piracy
Bujok, Boris ; Kratochvíl, Martin (referee) ; Luhan, Jan (advisor)
The work deals with distribution primarily video content on the web and the possibilities of its security. The goal of thesis is to explore and summarize this comprehensive subject. The first part covers the basics of distribution, delivery methods, protocols, video formats. The second part deals with technologies that are commonly used on the Web and their comparison in different browsers or on mobile platforms. Including a look into the future, where these technologies would might take in relation to the development of a planned support, either in the browser or on mobile platforms.
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Interactive Visualization of Large 3D Graphics in Web Browser
Ludvík, Martin ; Vlnas, Michal (referee) ; Španěl, Michal (advisor)
This bachelor thesis deals with rendering data-intensive scenes in a web browser. The resulting application interactively displays point clouds in a web browser using javascript API WebGPU. WebGPU makes the application more powerful than WebGL-based applications. The user interface is created using basic CSS and Javascript. It is possible to work with point clouds containing hundreds of billions of points. At the same time, the user is allowed to change the source of the appearance of individual points.
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Reduction of CentOS operating system
Kluka, Peter Milan ; Jablončík, Lukáš (referee) ; Komosný, Dan (advisor)
Táto práca slúži ako podporný materiál pre predmet Sieťové operačné systémy a ako pomocný materiál pre realizáciu projektu v rámci tohto predmetu. Účelom tejto práce bolo vykonať redukciu operačného systému z hľadiska jeho veľkosti na disku. Zadaným operačným systémom bola Linuxová distribúcia CentOS Stream 8. Redukovaný operačný systém obsahuje grafický web prehliadač, PDF prehliadač dokumentov a je dostupný pomocou vzdialeného pripojenia SSH. Práca porovnáva veľkosti odporúčaných grafických rozhraní a aplikácií. Na základe analýzy bola vytvorená sada skriptov, ktorá zautomatizovala proces minimalizácie. Výsledná veľkosť redukovaného systému bola 678 MB.
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Annotation Editor for CMS
Macháček, Jakub ; Škoda, Petr (referee) ; Dytrych, Jaroslav (advisor)
This bachelor's thesis analyzes possible ways to create extensions of WYSIWYG editors and the issue of annotating electronic material. It also includes design and implementation of an annotation editor basis which will be, due to its wide possibilities, usable to create advanced annotations of documents. Part of the work is also to design a protocol to communicate with a server.
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Web Browser Control Using Gestures
Němeček, Jiří ; Zahrádka, Jiří (referee) ; Najman, Pavel (advisor)
This thesis describes web browser control possibilities using touchless gestures captured over Microsoft Kinect sensor. It presents gesture reading and analyzing procedures for further processing. Particular aspects of design and implementation of the sample application are also shown here. Final part consits of application usability testing summary and describes possibilities of its further deployment.
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Large Graph Data Visualisation on the Web
Jarůšek, Tomáš ; Bartík, Vladimír (referee) ; Burget, Radek (advisor)
Graph databases provide a form of data storage that is fundamentally different from a relational model. The goal of this thesis is to visualize the data and determine the maximum volume that current web browsers are able to process at once. For this purpose, an interactive web application was implemented. Data are stored using the RDF (Resource Description Framework) model, which represents them as triples with a form of subject - predicate - object. Communication between this database, which runs on server and client is realized via REST API. The client itself is then implemented in JavaScript. Visualization is performed by using the HTML element canvas and can be done in different ways by applying three specially designed methods: greedy, greedy-swap and force-directed. The resulting boundaries were determined primarily by measuring time complexities of different parts and were heavily influenced by user's goals. If it is necessary to visualize as much data as possible, then 150000 triples were set to be the limiting volume. On the other hand, if the goal is maximum quality and application smoothness, then the limit doesn't exceed a few thousand.
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