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Video mixer/translator for web-based videoconference system
Hutar, Jan ; Balík, Miroslav (referee) ; Číka, Petr (advisor)
Bachelor s thesis specialises in a basic description, comparing and processing of video standards H.264 and VP8 in real time. Particularly it concerns a support of videoconfe- rence systems working with those mutually incompatible standards. The work enquires and tests two most considerable software devices convenient with basic requirements for working with video in real time and available with LGLP licence respectively FFmpeg and GStreamer. The thesis suggests practice video mix implementation of data input and the way of code translation into required outgoing stream. FFmpeg tool has been used for realization and message of mixer/translator and simple interface has been established available from web browser with assistance of HTML, PHP and Javascript.
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Interactive Document Sharing
Jóba, Viktor ; Jurzykowski, Michal (referee) ; Mlích, Jozef (advisor)
The thesis deals with the real-time sharing and editing of text documents in the network. The synchronization of the document content for all users in the shared session is ensured by the algorithm of operational transformations. This method is described in the thesis in detail. The outcome of the thesis is a simple text editor that communicates over the network using the extended version of the XMPP protocol. One of the users creates a document sharing session in the editor and invites other users to cooperate on the rich text document that can be saved in HTML or exported into PDF.
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Real-Time Object Localization
Rydlo, Štěpán ; Chudý, Peter (referee) ; Kolář, Dušan (advisor)
This bachelor thesis purposes solution of a radio signal processing to determine actual receiver position on computers using software defined radio. The purpose of this thesis is to create and parallelize program to achieve real-time processing . To achieve real-time processing we will use GPU . This work contains a description of two independent possibilities of data transfer and processing .
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Detection and Recognition of Matrix Code in Real Time
Dobrovolný, Martin ; Juránková, Markéta (referee) ; Herout, Adam (advisor)
This work is dealing with detecting and recongnizing matrix codes. It is experimenting use of PCLines algorithm. PCLines is using Hough transform and parallel coordinates for fast detection of lines. Suggested algorithm with double use PCLines detects sets of parallels and problem with image distorted by with parallel projection is solved by cross-ratio equation. We did some optimizations for realtime running and created experimental implementation. Test results shows, that use PCLines one way to detect matrix codes.
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The Turbocharger Model for Real-Time Computation
Hána, Michal ; Beran, Martin (referee) ; Svída, David (advisor)
The thesis deals with the creation of a mathematical model of a turbocharger, which is intended for integration into an electronic control unit and therefore for real-time operation. The model can be used to determine parameters that may or may not be measured. These are mainly air and exhaust gas temperatures and pressures at the compressor and turbine outlet. The model can be used in the electronic control unit as a feedforward or feedback control system. The beginning of the thesis contains a research on turbocharging and the emphasis is placed on exhaust turbochargers. Turbocharger characteristics, which are crucial for the model itself, are described in detail. The possibilities of testing turbochargers, in which their characteristics are measured, are briefly described. Due to the importance of turbocharger characteristics for the mathematical model, two options for their incorporation into the model are proposed. One way is in the form of lookup tables and the other way is in the form of interpolation and extrapolation relations or so-called curve fitting. The developed model is largely based on the thermodynamic relations that describe the turbocharger behaviour. Therefore, the individual T-s diagrams for both compressor and turbine and the thermodynamic relations based on these diagrams are given. The graphical programming environment Matlab Simulink is used to build the model. The developed model is then tested and validated on data obtained from WLTC cycle measurement. In the end the real-time operation of the model is verified.
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Automatic Rail Traffic Controller
Štětina, Jan ; Babilon, Robert (advisor) ; Foniok, Jan (referee)
Organizing traffic on the railroad is quite a difficult task even if there is an elaborate train timetable present. In practice it is allways neccessary to adaptively react to current situation - whether there is a delay, a traffic closure or a special train. Aim of this project is to design and implement an application for use on average personal computer, that would for given railroad area, timetable and the current time design a plan of train journeys so that the disruption of traffic continuity is minimal. The application should base on the plan not only on the timetable, but mostly on current situation in the area.
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Presentations Making Blender add-on
Telmanik, Ronald ; Milet, Tomáš (referee) ; Chlubna, Tomáš (advisor)
Cieľom tejto práce je vytvoriť nástroj, ktorý umožní používateľom programu Blender vytvoriť prezentáciu vo forme snímkov. Tento proces je zvyčajne časovo náročný spôsobené najme komplexnosťou program Blender. Preto na uľahčenie tohto problém je vytvorené rozšírenie pre program Blender. Toto rozšírenie implementuje sadu nástrojov, ktoré uľahčia tvorbu a neskôr aj samotnú prezentáciu v reálnom čase. Finálny zdrojový kód rozšírenia je voľne dostupný na platforme GitHub.
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Depth-Based Determination of a 3D Hand Position
Ondris, Ladislav ; Tinka, Jan (referee) ; Drahanský, Martin (advisor)
Cílem této práce je určení kostry ruky z hloubkového obrazu a jeho následné využití k rozpoznání statického gesta. Na vstupu je hloubkový obrázek, ve kterém je nejprve detekována ruka pomocí neuronové sítě Tiny YOLOv3. Následně je obrázek zbaven pozadí a z takto předzpracovaného obrázku je určena kostra ruky v podobě 21 klíčových bodů neuronovou sítí JGR-P2O. K rozpoznání gesta z klíčových bodů ruky byla navržena technika, která porovná kostru na vstupu s uživatelem definovanými gesty. Funkcionalita systému byla otestována na vytvořeném datasetu s více než čtyřmi tisíci obrázky.
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System for People Detection and Localization Using Thermal Imaging Cameras
Charvát, Michal ; Kempter, Guido (referee) ; Drahanský, Martin (advisor)
V dnešním světě je neustále se zvyšující poptávka po spolehlivých automatizovaných mechanismech pro detekci a lokalizaci osob pro různé účely -- od analýzy pohybu návštěvníků v muzeích přes ovládání chytrých domovů až po hlídání nebezpečných oblastí, jimiž jsou například nástupiště vlakových stanic. Představujeme metodu detekce a lokalizace osob s pomocí nízkonákladových termálních kamer FLIR Lepton 3.5 a malých počítačů Raspberry Pi 3B+. Tento projekt, navazující na předchozí bakalářský projekt "Detekce lidí v místnosti za použití nízkonákladové termální kamery", nově podporuje modelování komplexních scén s polygonálními okraji a více termálními kamerami. V této práci představujeme vylepšenou knihovnu řízení a snímání pro kameru Lepton 3.5, novou techniku detekce lidí používající nejmodernější YOLO (You Only Look Once) detektor objektů v reálném čase, založený na hlubokých neuronových sítích, dále novou automaticky konfigurovatelnou termální jednotku, chráněnou schránkou z 3D tiskárny pro bezpečnou manipulaci, a v neposlední řadě také podrobný návod instalace detekčního systému do nového prostředí a další podpůrné nástroje a vylepšení. Výsledky nového systému demonstrujeme příkladem analýzy pohybu osob v Národním muzeu v Praze.
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Optimization of data transit in network
Řezáč, Michal ; Škorpil, Vladislav (referee) ; Kubánková, Anna (advisor)
This bachelor thesis is divided into two parts. The first part deals with and describes necessary teorethical units, together with analyse of ISP network and other input informations. These findings are further used in second part of bachelor thesis. The practical part dealt with testing of optimization mechanisms in the laboratory network. Thereafter has been done a wider tests of optimization mechanisms based on different ways of marking data streams and deploying these rules. The advantages and comparision of these methods were further evaluated.
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