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Computer science --- Machine theory --- Formal languages --- Computational complexity --- Automates mathématiques, Théorie des --- Langages formels --- Complexité de calcul (Informatique) --- Computational Complexity --- 510.5 --- #TELE:SISTA --- Abstract automata --- Abstract machines --- Automata --- Mathematical machine theory --- Algorithms --- Logic, Symbolic and mathematical --- Recursive functions --- Robotics --- Formalization (Linguistics) --- Language and languages --- Complexity, Computational --- Electronic data processing --- Algorithms. Computable functions --- Computational complexity. --- Formal languages. --- Machine theory. --- 510.5 Algorithms. Computable functions --- Automates mathématiques, Théorie des --- Complexité de calcul (Informatique) --- Informatique --- Computer science. --- Language --- Automates abstraits

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Computers --- Cryptography --- Access control --- -Cryptography --- -005.82 --- Cryptanalysis --- Cryptology --- Secret writing --- Steganography --- Signs and symbols --- Symbolism --- Writing --- Ciphers --- Data encryption (Computer science) --- Automatic computers --- Automatic data processors --- Computer hardware --- Computing machines (Computers) --- Electronic brains --- Electronic calculating-machines --- Electronic computers --- Hardware, Computer --- Computer systems --- Cybernetics --- Machine theory --- Calculators --- Cyberspace --- -Computers --- -519.76 --- 621.391.7 --- -681.3*D46 --- Semiotics. Mathematical theory of systems of symbols. Mathematical linguistics --- Secret systems of electrical communication --- Security and protection: access controls; authentication; cryptographic controls; information flow controls; security kernels; verification (Operating systems) --- 681.3*D46 Security and protection: access controls; authentication; cryptographic controls; information flow controls; security kernels; verification (Operating systems) --- 621.391.7 Secret systems of electrical communication --- 519.76 Semiotics. Mathematical theory of systems of symbols. Mathematical linguistics --- Cryptography. --- 519.76 --- 681.3*D46 --- Access control&delete& --- Handbooks, manuals, etc --- Mathematical control systems --- Programming --- cryptografie --- Handbooks, manuals, etc. --- Ordinateurs --- Cryptographie --- Accès --- Contrôle --- Guides, manuels, etc. --- Guides, manuels, etc --- Computers - Access control - Handbooks, manuals, etc. --- Cryptography - Handbooks, manuals, etc.

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Excellent textbook of multimedia signal processing also dealing with the optimization of multimedia communication systems. It covers the theoretical background of one- and multidimensional signal processing, statistical analysis and modeling, coding and information theory as well as estimation and classification theory. Numerous practical examples are given for algorithms and design of multimedia signal compression and transmission systems, for systems performing content analysis and indexing of multimedia signals. Principles behind multimedia coding and indexing standards, e.g. MPEG-1/-2/-4/-7 are explained in detail, including the most recent developments like the new Advanced Video Coding standard and Motion-Compensated Interframe Wavelet Coding. Numerous figures and examples illustrate the concepts. As the book is based on a graduate-level university course, most chapters are supplemented by exercises. The book is also a self-contained introduction both for researchers and developers of multimedia communication systems in industries.

Multimedia communications. --- Telecommunication technology --- Computer architecture. Operating systems --- Artificial intelligence. Robotics. Simulation. Graphics --- FT (Fourier transformatie) --- multimedia --- communicatietechnologie --- Multimedia communications --- #BAVD --- Multimedia networks --- Multimedia telecommunications --- Multimedia systems --- Telecommunication systems --- Application software. --- Electrical engineering. --- Computational complexity. --- Coding theory. --- Information theory. --- Signal processing. --- Image processing. --- Speech processing systems. --- Computer Applications. --- Communications Engineering, Networks. --- Complexity. --- Coding and Information Theory. --- Signal, Image and Speech Processing. --- Computational linguistics --- Electronic systems --- Information theory --- Modulation theory --- Oral communication --- Speech --- Telecommunication --- Singing voice synthesizers --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- Communication theory --- Communication --- Cybernetics --- Data compression (Telecommunication) --- Digital electronics --- Machine theory --- Computer programming --- Complexity, Computational --- Electronic data processing --- Electric engineering --- Engineering --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software

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Wireless Local Area Networks (WLANs) experience a growing popularity recently. Where WLANs were primarily used for niche applications in the past, they are now deployed as wireless extensions to computer networks. The increase of the datarates from 2 Mbps up to 11 Mbps for roughly a constant price has played a major role in this breakthrough. As a consequence, an even greater success can be envisioned for the more recent OFDM-based WLAN standards in the 5 GHz band, which offer up to 54 Mbps. At IMEC we have realised this potential already several years ago and have established a successful research programme on OF- based WLAN. In 1995, we started our research on wireless OFDM in the frame of a - operation project with SAIT, a Belgian telecom company. The goal of the project was to establish a robust network for industrial environments. This resulted in a first OFDM chip, supporting QPSK, for wireless networking at the end of the project (1999). 1999 was also the start of an intense co-operation with National Semiconductor Inc., which resulted in a second generation ASIC in 2000. This OFDM processor supports up to QAM-64 and has a more optimal channel estimation algorithm.

Orthogonalization methods. --- Wavelength division multiplexing. --- Wireless communication systems. --- Wireless LANs. --- Wireless LANs --- Wireless communication systems --- Orthogonal frequency division multiplexing --- Orthogonalization methods --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Telecommunications --- Engineering. --- Electrical engineering. --- Electronics. --- Microelectronics. --- Electronic circuits. --- Communications Engineering, Networks. --- Circuits and Systems. --- Signal, Image and Speech Processing. --- Electronics and Microelectronics, Instrumentation. --- Electrical Engineering. --- Wi-Fi LANs --- WiFi LANs --- Wireless local area networks --- WLANs (Wireless LANs) --- Local area networks (Computer networks) --- Communication systems, Wireless --- Wireless data communication systems --- Wireless information networks --- Wireless telecommunication systems --- Telecommunication systems --- Functions, Orthogonal family of --- Functions, Orthogonal set of --- Orthogonal family of functions --- Orthogonal set of functions --- Orthogonal sets --- Orthogonal systems --- Orthogonalization (Numerical analysis) --- Sets, Orthogonal --- Systems, Orthogonal --- Algebras, Linear --- Numerical analysis --- OFDM (Telecommunication) --- Broadband communication systems --- Multiplexing --- Spread spectrum communications --- Telecommunication. --- Systems engineering. --- Computer engineering. --- Signal processing. --- Image processing. --- Speech processing systems. --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Electronics --- Microtechnology --- Semiconductors --- Miniature electronic equipment --- Electrical engineering --- Physical sciences --- Computational linguistics --- Electronic systems --- Information theory --- Modulation theory --- Oral communication --- Speech --- Telecommunication --- Singing voice synthesizers --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electric engineering --- Engineering --- WDM (Telecommunication) --- Optical communications