Klara Nahrstedt's Books

Multimedia Systems

By: Ralf Steinmetz,Klara Nahrstedt

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Multimedia Systems discusses the basic characteristics of multimedia operating systems, networking and communication, and multimedia middleware systems. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner: a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices. Fundamental characteristics of multimedia operating and distributed communication systems are presented, especially scheduling algorithms and other OS supporting approaches for multimedia applications with soft-real-time deadlines, multimedia file systems and servers with their decision algorithms for data placement, scheduling and buffer management, multimedia communication, transport, and streaming protocols, services with their error control, congestion control and other Quality of Service aware and adaptive algorithms, synchronization services with their skew control methods, and group communication with their group coordinating algorithms and other distributed services.

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Page Count

478

Publisher

Springer Science & Business Media

Published Date

ISBN 10

3662088789

ISBN 13

9783662088784

Quality of Service in Wireless Networks Over Unlicensed Spectrum

By: Klara Nahrstedt

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Quality of Service in Wireless Networks Over Unlicensed Spectrum

By: Klara Nahrstedt

This Synthesis Lecture presents a discussion of Quality of Service (QoS) in wireless networks over unlicensed spectrum. The topic is presented from the point of view of protocols for wireless networks (e.g., 802.11) rather than the physical layer point of view usually discussed for cellular networks in the licensed wireless spectrum. A large number of mobile multimedia wireless applications are being deployed over WiFi (IEEE 802.11) and Bluetooth wireless networks and the number will increase in the future as more phones, tablets, and laptops are equipped with these unlicensed spectrum wireless interfaces. Achieving QoS objectives in wireless networks is challenging due to limited wireless resources, wireless nodes interference, wireless shared media, node mobility, and diverse topologies. The author presents the QoS problem as (1) an optimization problem with different constraints coming from the interference, mobility, and wireless resource constraints and (2) an algorithmic problem with fundamental algorithmic functions within wireless resource management and protocols. Table of Contents: Preface / Basics of Quality of Service in Wireless Networks / QoS-Aware Resource Allocation / Bandwidth Management / Delay Management / Routing / Acknowledgment / References / Author Biography

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Page Count

179

Publisher

Morgan & Claypool Publishers

Published Date

ISBN 10

1608457311

ISBN 13

9781608457311

Multimedia Fundamentals, Volume 1

Media Coding and Content Processing

By: Ralf Steinmetz,Klara Nahrstedt

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Multimedia Fundamentals, Volume 1

Media Coding and Content Processing

By: Ralf Steinmetz,Klara Nahrstedt

The state-of-the-art in multimedia content analysis, media foundations, and compression Covers digital audio, images, video, graphics, and animation Includes real-world project sets that help you build and test your expertise By two of the world's leading experts in advanced multimedia systems development The practical, example-rich guide to media coding and content processing for every multimedia developer. From DVDs to the Internet, media coding and content processing are central to the effective delivery of high-quality multimedia. In this book, two of the field's leading experts introduce today's state-of-the-art, presenting realistic examples and projects designed to help implementers create multimedia systems with unprecedented performance. Ralf Steinmetz and Klara Nahrstedt introduce the fundamental characteristics of digital audio, images, video, graphics, and animation; demonstrate powerful new approaches to content analysis and compression; and share expert insights into system and end-user issues every advanced multimedia professional must understand. Coverage includes: Generic characteristics of multimedia and data streams, and their impact on multimedia system design Essential audio concepts and representation techniques: sound perception, psychoacoustics, music, MIDI, Speech signals, and related I/O and transmission issues Graphics and image characteristics: image formats, analysis, synthesis, reconstruction, and output Video signals, television formats, digitization, and computer-based animation issues Fundamental compression methods: run-length, Huffman, and subband coding Multimedia compression standards: JPEG, H.232, and various MPEG techniques Optical storage technologies and techniques: CD-DA, CD-ROM, DVD, and beyond Content processing techniques: Image analysis, video processing, cut detection, and audio analysis First in an authoritative 3-volume set on tomorrow's robust multimedia desktop: real-time audio, video, and streaming media. Multimedia Fundamentals offers a single, authoritative source for the knowledge and techniques you need to succeed with any advanced multimedia development project. Look for Volume 2 focusing on networking and operating system-related issues, and Volume 3 focusing on service and application issues.

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Page Count

369

Publisher

Pearson Education

Published Date

ISBN 10

0132441772

ISBN 13

9780132441773

Multimedia Applications

By: Ralf Steinmetz,Klara Nahrstedt

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Multimedia Applications

By: Ralf Steinmetz,Klara Nahrstedt

Multimedia Applications discusses the basic characteristics of multimedia document handling, programming, security, human computer interfaces, and multimedia application services. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner. A user enjoys a multimedia application only if all pieces of the end-to-end solution fit together. This means that a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices. In this book we will present fundamental information and properties of hypermedia document handling, multimedia security and various aspects of multimedia applications. Especially of interest to the readers will be information about document handling and their standards, programming of multimedia applications, design of multimedia information at human computer interfaces, multimedia security challenges such as encryption and watermarking, multimedia in education, as well as multimedia applications to assist preparation, processing and application of multimedia content. Ralf Steinmetz is Professor of Multimedia Communications at the Technische Universität Darmstadt, Germany, and he is chairman of the Board of the Telemedia Center httc.. Together with more than 20 researchers, he is working towards his vision of "truly seamless multimedia communications". He has co-authored over 200 refereed publications, serves as a member of the board of numerous professional committees, is an ICCC Governor, and is a Fellow of both the IEEE and the ACM. Klara Nahrstedt is the Ralph and Catherine Fisher Professor at the department of Computer Science, University of Illinois at Urban-Champagne, USA. She is an expert in the area of multimedia systems and networks and focuses on quality of service management problems. Currently, she serves as the editor-in-chief of the ACM/Springer Multimedia Systems Journal.

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