The popularity of multimedia content has led to the widespread distribution and consumption of digital multimedia data. As a result of the relative ease with which individuals may now alter and repackage digital content, ensuring that media content is employed by authorized users for its intended purpose is becoming an issue of eminent importance to both governmental security and commercial applications. Digital fingerprinting is a class of multimedia forensic technologies to track and identify entities involved in the illegal manipulation and unauthorized usage of multimedia content, thereby protecting the sensitive nature of multimedia data as well as its commercial value after the content has been delivered to a recipient.

"Multimedia Fingerprinting Forensics for Traitor Tracing" covers the essential aspects of research in this emerging technology, and explains the latest development in this field. It describes the framework of multimedia fingerprinting, discusses the challenges that may be faced when enforcing usage polices, and investigates the design of fingerprints that cope with new families of multiuser attacks that may be mounted against media fingerprints. The discussion provided in the book highlights challenging problems as well as future trends in this research field, providing readers with a broader view of the evolution of the young field of multimedia forensics.

About the Author

K. J. Ray Liu is an associate professor in the Electrical Engineering Department and Institute for Systems Research at the University of Maryland in College Park. Dr. Liu's research interests span all aspects of signal processing with application to image/video, wireless communications, networking, and medical biomedical technology. He has published more than one hundred papers, many of which are in archival journals, books, and book chapters. He has won many awards, including the IEEE Signal Processing Society's Senior Award for Best Paper in VLSI in 1993 and the National Science Foundation Young Investigator Award in 1994. Wade Trappe received his B.A. degree in Mathematics from The University of Texas at Austin in 1994, and the Ph.D. in Applied Mathematics and Scientific Computing from the University of Maryland in 2002. He is currently an assistant professor at the Wireless Information Network Laboratory (WINLAB) and the Electrical and Computer Engineering Department at Rutgers University. His research interests include multimedia security, cryptography, wireless network security, and computer networking.

Dr. Trappe is a co-author of the textbook "Introduction to Cryptography with Coding Theory", Prentice Hall, 2001. He is a member of the IEEE Signal Processing, Communication, and Computer societies.

Z. Jane Wang is an Assistant Professor in the Electrical and Computer Engineering Department, University of British Columbia, Canada. She received the B.Sc. degree from Tsinghua University, China, in 1996 (with the highest honor), and the M.Sc. and Ph.D. degrees from the University of Connecticut in 2000 and 2002 (with the Outstanding Engineering Doctoral Student Award), respectively, all in electrical engineering. Since Aug. 2004, she has been an Assistant Professor in the Department of Electrical and Computer Engineering at University of British Columbia. Dr. Wang's research interests are in the broad areas of statistical signal processing, information sec

Practical REST on Rails 2 Projects is a guide to joining the burgeoning world of open web applications. It argues that opening up your application can provide significant benefits and involves you in the entire process—from setting up your application, to creating clients for it, to handling success and all its attendant problems.

• This book is the essential resource for anyone who wants to make their web application a full participant in the new Internet.
• This book is intended for intermediate–to–advanced Rails developers—people who use Rails regularly for sites and applications more complicated than the prototypical roll–your–own blog.
• In particular, it’s targeted at Rails developers who want to be good Web 2.0 citizens—sharing the functionality of their app with other sites to the betterment of everyone.
• Application projects include iPhone, Facebook, and REST for the enterprise.

What you’ll learn

• Develop REST web services in Rails 2 Framework.
• Build from the server–side perspective and integrate with PHP.
• Build from the client side using a JavaScript widget.
• Develop RESTful application on Rails for the Apple iPhone.
• Create a Facebook application using REST on Rails.
• Examine REST on Rails for the Enterprise.

Who is this book for?

This book is intended for intermediate–to–advanced Rails developers—people who use Rails regularly for sites and applications more complicated than the prototypical roll–your–own blog.

Related Titles

• Beginning Rails: From Novice to Professional

About the Author

Ben Scofield develops web applications for the DC area–based Viget Labs. He has been designing and building for the Web since 1998, and has been happily obsessed with Ruby and Rails for several years. He’s worked on a variety of sites, and has spoken at RailsConf and RubyConf. He lives in Durham, North Carolina with his wife, dog, and (soon) child.

Ultrawideband (UWB) communication systems offer an unprecedented opportunity to impact the future communication world. The enormous available bandwidth, the wide scope of the data rate / range trade-off, as well as the potential for very low-cost operation leading to pervasive usage, all present a unique opportunity for UWB systems to impact the way people and intelligent machines communicate and interact with their environment. The aim of this book is to provide an overview of the state of the art of UWB systems from theory to applications. Due to the rapid progress of multidisciplinary UWB research, such an overview can only be achieved by combining the areas of expertise of several scientists in the field. More than 30 leading UWB researchers and practitioners have contributed to this book covering the major topics relevant to UWB. These topics include UWB signal processing, UWB channel measurement and modeling, higher-layer protocol issues, spatial aspects of UWB signaling, UWB regulation and standardization, implementation issues, and UWB applications as well as positioning. The book is targeted at advanced academic researchers, wireless designers, and graduate students wishing to greatly enhance their knowledge of all aspects of UWB systems.

About the Author

Thomas Kaiser received a Diploma degree from the Ruhr-University Bochum in 1991, a Ph.D. degree in 1995 and a German habilitation degree in 2000, both from Gerhard-Mercator-University Duisburg and in Electrical Engineering. He has published more than 80 papers in International Journals and at Conferences. His current research interest focuses on Applied Signal Processing with emphasis on multi-antenna systems, especially its applicability to ultra-wideband systems and with implementation issues.

Ian Oppermann, from 1996 to 2002, was CTO of an Australian Software Development company developing network planning and optimisation tools. He also earned his PhD from the University of Sydney in 1997 where his thesis explored CDMA physical layer technologies. In 2005, he completed an MBA at the University of London. Ian Oppermann is currently the Director of OSP (Operations Solutions Performance) Products within Nokia Networks Finland. Within his product development portfolio are leading edge network planning and optimisation tools for 2G and 3G technologies.

Andreas F. Molisch received his M. Sc., Ph.D., and habilitation degrees from the TU Vienna, Austria, in 1990, 1994, and 1999, respectively. His current research interests are multiple-antenna systems, wireless channel measurement and modeling, ultra wideband systems, sensor networks, and OFDM.

Maria-Gabriella Di Benedetto obtained her Ph.D. in Telecommunications in 1987 from the University of Rome La Sapienza, Italy. In 1991, she joined the Faculty of Engineering of University of Rome La Sapienza, where currently she is a Full Professor of Telecommunications at the Infocom Department. Christian Politano, ST Microelectronics, F-01630 St Genis, France.

Domenico Porcino, a professor at Philips Research Laboratories, Cross Oak Lane, Redhill, Surrey RH1 5HA, UK.

If you think Knoppix is just a Linux demo disk, think again. Klaus Knopper created an entire Linux distribution on a bootable CD (and now a DVD) so he could use his favorite open source tools on any computer. This book includes a collection of tips and techniques for using the enormous amount of software Knoppix offers-not just to work and play, but also to troubleshoot, repair, upgrade, and disinfect your system without having to install a thing.

Knoppix Hacks is just like the distribution it covers: a veritable Swiss Army knife packed full of tools. Scores of industrial-strength hacks-many of them new to this second edition-cover both the standard Knoppix CD and the feature-rich DVD "Maxi" distribution, which is included with this book. Discover how to use Knoppix to its full potential as your desktop, rescue CD, or as a launching point for your own live CD.

With Knoppix Hacks, you can:

• Investigate features of the KDE desktop and its Internet applications
• Save your settings and data between reboots with persistent storage
• Employ Knoppix as a system administration multitool to replace failed servers and more
• Use the CD/DVD as a rescue disc to repair filesystems or a system that won't boot
• Rescue Windows systems with Knoppix to back up files and settings, hack the registry, and more
• Explore other live CDs based on Knoppix that could augment your system
• Easily install the popular Debian GNU/Linux distribution with all of your hardware detected and configured
• Remaster Knoppix to include your favorite software and custom branding

Whether you're a new Linux user, power user, or system administer, this book helps you take advantage of Knoppix and customize it to your needs. You may just find ways to use Knoppix that you never considered.

About the Author
Kyle Rankin is a system administrator for QuinStreet, Inc., the current president of the North Bay Linux Users Group, and the author of "Knoppix Hacks", "Knoppix Pocket Reference", and "Linux Multimedia Hacks" (all from O'Reilly). Kyle has been using Linux in one form or another since early 1998. In his free time, he either writes or does pretty much the same thing he does at work: works with Linux.

Smart Antennas—State of the Art brings together the broad expertise of 41 European experts in smart antennas. They provide a comprehensive review and an extensive analysis of the recent progress and new results generated during the last years in almost all fields of smart antennas and MIMO (multiple-input multiple-output) transmission. The following represents a summarized table of content.

Receiver: space-time processing, antenna combining, reduced rank processing, robust beamforming, subspace methods, synchronization, equalization, multi-user detection, iterative methods.

Channel: propagation, measurements and sounding, modeling, channel estimation, direction-of-arrival estimation, subscriber location estimation.

Transmitter: space-time block coding, channel side information, unified design of linear transceivers, ill-conditioned channels, MIMO-MAC strategies.

Network Theory: channel capacity, network capacity, multihop networks.

Technology: antenna design, transceivers, demonstrators and testbeds, future air interfaces.

Applications and Systems: 3G system and link level aspects, MIMO HSDPA, MIMO-WLAN/UMTS implementation issues.

This book serves as a reference for scientists and engineers who need to be aware of the leading edge research in multiple-antenna communications, an essential technology for emerging broadband wireless systems.

About the Author

Thomas Kaiser is a Professor at the University of Duisburg-Essen- Germany. He is also a Co-Leader of the Smart Antenna Research Team at Gerhard-Mercator University, Duisburg, Germany. In Summer 2005, he was a visiting professor in the Smart Antenna Research Group, Stanford University, USA. He holds a PhD in Communications (with distinction), Gerhard-Mercator University Duisburg, Germany (1991-1995). Dr. Kaiser is also an Editor-in-Chief of IEEE Signal Processing Society, an e-letter student activity chair in IEEE German Signal Processing Chapter, student branch counselor in IEEE Student Branch Duisburg and IEEE Senior member.

André Bourdoux received the M.S. degree in Electrical Engineering (specialisation in micro-electronics) in 1982 from the Université Catholique de Louvain-la-Neuve, Belgium. His current interests span the areas of wireless communications theory, signal processing and transceiver architectures with a special emphasis on broadband and multi-antenna systems. He is the author and co-author of several conference and journal papers and of 2 patents applications in the field of SDMA and MIMO transmission. He is senior researcher at the Wireless Group of IMEC's division of Design Technology for Integrated Information and Communication Systems (DESICS).

Holger Boche is a Professor at the Heinrich-Hertz-Chair for Mobile Communications at Berlin University of Technology. He wrote about several issues in journal papers. Dr. Boche attended lots of conferences such as FIR Linear Relay Network with Frequency Selective Channels, and Optimal sequences for asynchronous CDMA channels with different SIR requirements.

Javier Rodriuez Fonollosa received the telecommunication engineering degree from the Universitat Politècnica de Catalunya, Barcelona, Spain, in 1988, and the Ph.D. degree in electrical and computer engineering at Northeastern University, Boston, MA, in 1992. He is the author of 15 journals and more than 70 conference papers in the area of Signal Processing and Communications. He was elected IEEE Senior Member and member of the Signal Processing for Communications (SPCOM) Technical Committee of the IEEE Signal Processing Society in February 1998 and January 1999 respectively. His research interests include many different aspects of statistical signal processing for communications.

Jorgen Bach Andersen is a Professor Emeritus, Doctor of Technology Department of Electronic Systems, Aalborg University. He was Professor at Aalborg University from 1974 to 2003. Professor Bach Andersen holds several prestigious assignments and memberships in national and international scientific societies and paved the way for the development of systems for wireless communications. Professor Andersen can be said to be one of the founding fathers of the mobile communications sector in Northern Jutland.

Wolfgang Utschick received the Dipl.-Ing. and Dr.-Ing. degrees (both with honors) in electrical engineering from the Munich University of Technology (TUM), in 1993 and 1998, respectively. From 1998 - 2002 he was head of the Signal Processing Group at the Institute of Circuit Theory and Signal Processing at the TUM. Since October 2002 Wolfgang Utschick is Professor for Signal Processing at the Munich University of Technology in the Department of Electrical Engineering and Information Technology. He authored and co-authored many papers on the field of neural networks and signal processing w.r.t. to communication applications and holds some patents on the field of wireless communications.

Information systems (IS) are the backbone of any organization today, supporting all major business processes.

This book deals with the question: how do these systems come into existence? It gives a comprehensive coverage of managerial, methodological and technological aspects including:

    * Management decisions before and during IS development, acquisition and implementation
    * Project management
    * Requirements engineering and design using UML
    * Implementation, testing and customization
    * Software architecture and platforms
    * Tool support (CASE tools, IDEs, collaboration tools)

The book takes into account that for most organizations today, inhouse development is only one of several options to obtain an IS. A good deal of IS development has moved to software vendors be it domestic, offshore or multinational software firms. Since an increasing share of this work is done in Asia, Eastern Europe, Latin America and Africa, the making of information systems is discussed within a global context.