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Fast and Accurate Keyword Spotting System
Lenčéš, Marián ; Karafiát, Martin (referee) ; Schwarz, Petr (advisor)
This bachelor's thesis deals with fast and accurate detection of keywords from audio records. The aim of was to study possibilities of word detection and to create several types of language models. These were then to be compared to each other. We focus here on the detection of keywords from English spoken audio records.
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Automatic calculation of relative orientation of two cameras
Adámek, Daniel ; Nováček, Petr (referee) ; Klečka, Jan (advisor)
To determine a relative orientation of two cameras, it is necessary to understand wide range of fields. Therefore, this thesis showes principles of basic methods of detection and description of keypoints in an image as well as methods of matching these keypoints. The paper also provides brief summary of epipolar geometry and linear triangulation. C++ implementation of presented theory was proposed and its disadvantages were discussed.
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Region Detectors and Descriptors in Image
Žilka, Filip ; Petyovský, Petr (referee) ; Horák, Karel (advisor)
This master’s thesis deals with an important part of computer vision field. Main focus of this thesis is on feature detectors and descriptors in an image. Throughout the thesis the simplest feature detectors like Moravec detector will be presented, building up to more complex detectors like MSER or FAST. The purpose of feature descriptors is in a mathematical description of these points. We begin with the oldest ones like SIFT and move on to newest and best performing descriptors like FREAK or ORB. The major objective of the thesis is comparison of presented methods on licence plate localization task.
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Augmented Reality for Flight Simulator Based on Background Keying
Vahalík, Tomáš ; Maršík, Lukáš (referee) ; Beran, Vítězslav (advisor)
This thesis deals with a design of a method for determination of the view direction within a scene and an exact registration of a camera picture with a model of the scene for background keying. The methods for an image description by interest points are parts of this thesis, especially the methods SURF, FAST and Brief. A demo application, which tests are described here as well, presents a correspondence determination between an input image from a camera and a created model of the scene. The main use of this work rests in augmented reality together with determination of the user's view direction.
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3D Modeling in Photomodeler Scanner Environment
Ráczová, Gabriela ; Opatřilová, Irena (referee) ; Hanzl, Vlastimil (advisor)
Purpose of this thesis is to create a 3D model of the bridge between buildings of Faculty of Civil Enineering on the street Rybkova. The 3D model was created by method close range photogrammetry. Ground control points were determined intersection and the coordinates were calculated. Photos of building were taken by camera Nikon COOLPIX 810. For processing of the photos were use a program PhotoModeler Scanner.
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