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Wireless robot control using mobile platform
Matuška, Jakub ; Kiac, Martin (referee) ; Přinosil, Jiří (advisor)
This bachelor’s thesis deals with design and implementation of an application for robot’s omnidirectional movement control using mobile platform. Implementation includes an Android application, used as user interface, as well as robot–side Python program for controlling movement and sending RTP stream to Android application. User can control robot’s movement using two virtual joysticks. Raspberry Pi was used as the control unit. The application has security module. Pipeline-based multimedia framework named GStreamer was used to implement RTP steaming. This paper describes necessary theory first and then introduces basic building blocks used in creation process of the application.
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Gesture-Based Human-Computer Interface
Chaloupka, Jan ; Beran, Vítězslav (referee) ; Španěl, Michal (advisor)
This bachelor's thesis is about design and implementation of simple interface for hand gesture recognition. The interface is used as an extension of actual GUI elements. Skin color model is used for gesture segmentation, significant hand points (palm, fingers, fingertips) for gesture recognition. Designed interface is used for simple picture explorer controlling. Final application is capable of using simple gestures for scaling, rotation, pointing and click.
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Use of Augumented Reality to Teach Guitar/Bass Playing
Kajan, Miroslav ; Zachariáš, Michal (referee) ; Šolony, Marek (advisor)
This final work deals with a design and implementation of a system suitable for teaching guitar playing by using the technology of augmented reality. A webcam and the musical instrument itself are necessary for a guitar player to achieve the main aim. The system is based on a principal of homography and other techniques to work with the image. The system also renders the tones of a chosen trained element (an accord or a scale) right into the image captured by a webcam.
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Snow cover detection from webcam images
Fišer, Jan ; Brodský, Lukáš (advisor) ; Jeníček, Michal (referee)
This thesis deals with the possibility of using webcams as a source of spatial data for snow occurrence. The aim of this study is to propose a suitable method of snow cover detection from web camera images. From a sample of 6 webcams of the Czech Hydrometeorological Institute (CHMI) the snow cover is detected by pixel classification methods. The effect of training file size on the accuracy of classification is examined and the overall accuracy achieved by the SVM method was shown to be 97.46%. This study also aims to propose a system for determining the proportion of snow-covered areas. The algorithm consists of several sub-steps: filtering and registration of images, detection of snow, introduction of a coordinate system, calculation of the size of the surveyed area and the proportion of snow-covered area. The designed model can be used for automatic processing of images for various webcams. The melting curves of the snow cover are generated from the obtained daily values of the snow covered area. The results are validated using data from selected CHMI stations. The proposed and parameterized model confirms the possibility of successful use of webcams as a complement to ground measurement of meteorological stations and for the validation of remote sensing products.
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3D scanner
Vrbičanová, Antónia ; Matějásko, Michal (referee) ; Spáčil, Tomáš (advisor)
The Bachelor Thesis deals with the creation of the 3D-scanner using webcam, laser, stepper motor, and Python programming language. The main goal of this work is to determine the accuracy and repeatability of the planar measurement using piece of the aluminum block by using specific methods of the image processing. By enhancement of measurement algorithm and stepper motor the coordinates of individual points a sample object are gained. It is possible to create a model in STL format from points coordinates using MashLab software.
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AudioCam
Hrinčár, Peter ; Horáček, Jan (advisor) ; Libič, Peter (referee)
The thesis deals with the problem of creating music through movement. Our aim is to implement software that allows the user to control a virtual musical instrument using a webcam. We focus primarily on universal interface controlled by movement. Using the differential motion analysis method and optical flow we obtain the information about a movement. Based on this information the virtual instrument creates tones using MIDI technology. Specifically, we simulate a virtual keyboard on which the user can play. We designed the virtual instrument in such a way that it could be easily extended in the future with other approaches to the process of creating music.
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Controlling computer using a detection of single colored objects from webcam
Jedlička, Richard ; Horáček, Jan (advisor) ; Libič, Peter (referee)
Computer mouse and keyboard are inseparable part of today's compu- ters. We asked a question whether we could manage without them. We proposed the concept of computer control based on gestures. Gestures are performed by user using a single colored objects captured by a camera. According to the per- formed gestures are then triggered actions. In this work we described in detail how the concept works, how to define objects, gestures and actions and how they are interconnected into a functional unit. We designed algorithms to detecting objects in the image and to gesture recognition from objects' states. Finally we created working application to use concept in practise.
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Modular CCD cameras surveillance system
Řezníček, Radek ; Kaczmarczyk, Václav (referee) ; Bradáč, Zdeněk (advisor)
This thesis deals with realization of modular camera system. Introductory part is focused on market research and concept of the system. Next part is dedicated to the choice of components for realization of the system. Practical part deals firstly with design of printed circuit board for supporting control unit which will be controlling peripherals like motion sensor, IR illuminator, eventually magnetic door contact and also focuses on software creation for main and supporting control unit.
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Sudoku - algorithmization of solution
Buchta, Martin ; Sekora, Jiří (referee) ; Mézl, Martin (advisor)
In this paper, we present an overview of techniques that can be used by people to solve a Sudoku Puzzle. The individual algorithms were theoretically described using real tasks and were implemented on this basis to appropriate graphical user interface in Matlab with the possibility of webcam task loading.
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