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"Consacré aux Signaux, aux liaisons et à la compression vidéo, à l'informatique, aux réseaux ainsi qu'aux microphones, ce manuel constitue le premier des deux volumes de technologies destinés principalement aux étudiants du BTS Audiovisuel. Le second volume aborde les différents aspects des caméras vidéo, la restitution vidéo, l'éclairage et la sécurité électrique. Intégralement réalisés en couleurs, ils sont conçus pour acquérir les connaissances techniques propres aux technologies utilisées en audiovisuel. On trouvera dans chaque chapitre : un cours complet, des QCM et des exercices de difficulté croissante. Des problèmes de synthèse viennent compléter l'ensemble. QCM, exercices et problèmes de synthèse sont intégralement corrigés." [Source : 4e de couverture].

Signal processing --- Audio-visual materials --- Video recording --- Video compression --- Digital video --- Traitement du signal. --- Audiovisuel. --- Vidéo --- Compression vidéo --- Vidéo numérique

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55% new material in the latest edition of this "must-have? for students and practitioners of image & video processing!This Handbook is intended to serve as the basic reference point on image and video processing, in the field, in the research laboratory, and in the classroom. Each chapter has been written by carefully selected, distinguished experts specializing in that topic and carefully reviewed by the Editor, Al Bovik, ensuring that the greatest depth of understanding be communicated to the reader. Coverage includes introductory, intermediate and advanced topics and as such,

Image processing --- Video compression --- Traitement d'images --- Compression vidéo --- Digital techniques --- Handbooks, manuals, etc. --- Techniques numériques --- Guides, manuels, etc. --- beeldverwerking (image processing) --- videoprocessor --- beeldcompressie --- videocompressie --- beeldacquisitie --- Video data compression --- Image compression

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Artificial intelligence. Robotics. Simulation. Graphics --- Digital video --- Video compression --- Multimedia systems --- Vidéo numérique --- Compression vidéo --- Multimédia --- Video data compression --- Image compression --- Computer-based multimedia information systems --- Multimedia computing --- Multimedia information systems --- Multimedia knowledge systems --- Information storage and retrieval systems --- Digital motion video --- PC video --- Video, Digital --- Computer graphics --- Digital media --- Image processing --- Digital techniques --- Vidéo numérique --- Compression vidéo --- Multimédia

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Multimedia systems --- Video compression --- Image processing --- Multimédia --- Compression vidéo --- Traitement d'images --- Digital techniques --- Techniques numériques --- 681.3*H51 --- -Multimedia systems --- #TELE:MI2 --- Video data compression --- Image compression --- Computer-based multimedia information systems --- Multimedia computing --- Multimedia information systems --- Multimedia knowledge systems --- Information storage and retrieval systems --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Multimedia information systems: audio input/output, video, hypertext navigation --- 681.3*H51 Multimedia information systems: audio input/output, video, hypertext navigation --- Multimédia --- Compression vidéo --- Techniques numériques --- Digital image processing --- Digital electronics --- Image processing - Digital techniques

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Real-Time Video Compression: Techniques and Algorithms introduces the XYZ video compression technique, which operates in three dimensions, eliminating the overhead of motion estimation. First, video compression standards, MPEG and H.261/H.263, are described. They both use asymmetric compression algorithms, based on motion estimation. Their encoders are much more complex than decoders. The XYZ technique uses a symmetric algorithm, based on the Three-Dimensional Discrete Cosine Transform (3D-DCT). 3D-DCT was originally suggested for compression about twenty years ago; however, at that time the computational complexity of the algorithm was too high, it required large buffer memory, and was not as effective as motion estimation. We have resurrected the 3D-DCT-based video compression algorithm by developing several enhancements to the original algorithm. These enhancements make the algorithm feasible for real-time video compression in applications such as video-on-demand, interactive multimedia, and videoconferencing. The demonstrated results, presented in this book, suggest that the XYZ video compression technique is not only a fast algorithm, but also provides superior compression ratios and high quality of the video compared to existing standard techniques, such as MPEG and H.261/H.263. The elegance of the XYZ technique is in its simplicity, which leads to inexpensive VLSI implementation of any XYZ codec. Real-Time Video Compression: Techniques and Algorithms can be used as a text for graduate students and researchers working in the area of real-time video compression. In addition, the book serves as an essential reference for professionals in the field.

Multimedia systems --- Real-time data processing --- Video compression --- Multimédia --- Temps réel --- Compression vidéo --- 681.3*I42 --- Video data compression --- Image compression --- Fast-response data processing --- High-speed data processing --- Electronic data processing --- Computer-based multimedia information systems --- Multimedia computing --- Multimedia information systems --- Multimedia knowledge systems --- Information storage and retrieval systems --- Compression (coding): approximate methods; exact coding (Image processing)--See also {681.3*E4} --- Multimedia systems. --- Real-time data processing. --- Video compression. --- Computer Science --- Engineering & Applied Sciences --- 681.3*I42 Compression (coding): approximate methods; exact coding (Image processing)--See also {681.3*E4} --- Multimédia --- Temps réel --- Compression vidéo --- Engineering. --- Computer science. --- Computer communication systems. --- Special purpose computers. --- Electrical engineering. --- Electrical Engineering. --- Special Purpose and Application-Based Systems. --- Computer Communication Networks. --- Computer Science, general. --- Computer engineering. --- Software engineering. --- Informatics --- Science --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Network computers --- Special purpose computers --- Computers --- Electric engineering --- Engineering --- Distributed processing