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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
151

Ljudklassificering med Tensorflow och IOT-enheter : En teknisk studie

Karlsson, David January 2020 (has links)
Artificial Inteligens and machine learning has started to get established as reco- gnizable terms to the general masses in their daily lives. Applications such as voice recognicion and image recognicion are used widely in mobile phones and autonomous systems such as self-drivning cars. This study examines how one can utilize this technique to classify sound as a complement to videosurveillan- ce in different settings, for example a busstation or other areas that might need monitoring. To be able to do this a technique called Convolution Neural Ne- twork has been used since this is a popular architecture to use when it comes to image classification. In this model every sound has a visual representation in form of a spectogram that showes frequencies over time. One of the main goals of this study has been to be able to apply this technique on so called IOT units to be able to classify sounds in real time, this because of the fact that these units are relativly affordable and requires little resources. A Rasberry Pi was used to run a prototype version using tensorflow & keras as base api ́s. The studys re- sults show which parts that are important to consider to be able to get a good and reliable system, for example which hardware and software that is needed to get started. The results also shows what factors is important to be able to stream live sound and get reliable results, a classification models architecture is very important where different layers and parameters can have a large impact on the end result. / Termer som Artificiell Intelligens och maskininlärning har under de senaste åren börjat etablera sig hos den breda massan och är numera någonting som på- verkar nästan alla människors vardagliga liv i någon form. Vanliga använd- ningsområden är röststyrning och bildigenkänning som bland annat används i mobiltelefoner och autonoma system som självkörande bilar med mera. Den här studien utforskar hur man kan använda sig av denna teknik för att kunna klassi- ficera ljud som ett komplement till videoövervakning i olika miljöer, till exem- pel på en busstation eller andra övervakningsobjekt. För att göra detta har en teknik kallad Convolution Neural Network använts, vilket är en mycket populär arkitektur att använda vid klassificering av bilder. I denna modell har varje ljud fått en visuell representation i form av ett spektogram som visar frekvenser över tid. Ett av huvudmålen med denna studie har varit att kunna applicera denna teknik på så kallade IOT-enheter för att klassificera ljud i realtid. Dessa är rela- tivt billiga och resurssnåla enheter vilket gör dem till ett attraktivt alternativ för detta ändamål. I denna studie används en Raspberry Pi för att köra en prototyp- version med Tensorflow & Keras som grund APIer. Studien visar bland annat på vilka moment och delar som är viktiga att tänka på för att få igång ett smidigt och pålitligt system, till exempel vilken hårdvara och mjukvara som krävs för att starta. Den visar också på vilka faktorer som spelar in för att kunna streama ljud med bra resultat, detta då en klassifikationsmodells arkitektur och upp- byggnad kan ha stor påverkan på slutresultatet.
152

TELEMETRY PROCESSING SYSTEMS DESIGN TRENDS

Yates, James William 10 1900 (has links)
International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, California / Current changes in the way that large flight test systems are utilized have affected the industry’s methodology in both the early design phases and in the implementation of nextgeneration hardware and software. The reduction of available RF spectrum, the implementation of packet telemetry methods and systems, and a desire to implement commercial-off-the-shelf (COTS) hardware are only some of the considerations that telemetry systems integrators and product houses have to face. This paper describes how test methodology changes affect current large systems design at both government test ranges and at airframe/missile manufacturer test facilities. In addition, consideration is given to the area of increased processing power as it affects hardware and software design, the leveraging of such current and future telecommunications technology as network switch technology and compression, cross utilization, standardized technology, and the movement toward platform-independent software.
153

Framework pro statickou analýzu skriptů pro shell / A Framework for Static Analysis of Shell Scripts

Svoboda, František January 2012 (has links)
The aim of this work is to create framework for static analysis of Unix shell scripts.  Bourne-again shell is chosen as the primary subject of interest. The first part of the project discusses a principles of static analysis and current static analysis tools. The diploma thesis presents a framework based on modular system,   which enables plug-ins to perform different kinds of analysis on scripts. Framework includes plug-in management, means of interaction, handling outputs and input setting. This thesis also contains the description of a few plug-ins, designed to perform basic analysis of scripts.
154

Systém souborů s velkými bloky / Big Block File System

Rajman, Jakub January 2010 (has links)
Master's thesis treats of implementation of big block file system for FreeBSD operating system. The introduction of this document is dedicated to theoretically analysis, which is oriented on history, sense and usage of file systems. Next chapter describes the architecture of UFS/FFS file system. Implementation part starts with introducing design of new file system, which was isnpired by MSDOSFS file system. Last part of this thesis presents implementation of file system with great emphasis on problems, which can happen during programming.
155

Mitteilungen des URZ 4/1997

Gehring, Lang, Mueller, Richter, Schier, Sontag, Ziegler 22 December 1997 (has links)
HBFG-ProjektMONARCH Version 1.2 Unerwuenschte Botschaften: E-Mail-Spams Cross-Zertifizierung DFN -- IN e.V. Campusnetzzugang in Hoersaelen StarOffice fuer Linux Freeware, Shareware und Public Domain (Softwarerecht) Weihnachtswuensche Coverage{10}: 22.12.2017
156

Mitteilungen des URZ 2000

Becher, Clauß, Heik, Hübsch, Müller, Richter, Riedel, Schier, Wolf, Ziegler 23 November 2000 (has links)
Inhalt: Das CLIC-Projekt; X2X - ein Werkzeug zur Darstellung von XML-Dokumenten; Software-Bereitstellung; Der Backupdienst des URZ; Betreuung von Ausbildungspools durch das URZ; Aktueller Netzausbauzustand; Komfortablere E-Mail-Bearbeitung mit IMAP; MagicPoint - Präsentationen unter Linux; 10 Jahre ¨UNIX-Stammtisch in Sachsen¨
157

WORKSHOP "MOBILITÄT"

Anders, Jörg 12 June 2001 (has links)
Gemeinsamer Workshop von Universitaetsrechenzentrum und Professur "Rechnernetze und verteilte Systeme" der Fakultaet fuer Informatik der TU Chemnitz. Workshop-Thema: Mobilitaet
158

WORKSHOP "MOBILITÄT"

Anders, Jörg 12 June 2001 (has links)
Gemeinsamer Workshop von Universitaetsrechenzentrum und Professur "Rechnernetze und verteilte Systeme" der Fakultaet fuer Informatik der TU Chemnitz. Workshop-Thema: Mobilitaet

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