The MPEG Representation of Digital Media by Leonardo Chiariglione (auth.), Leonardo Chiariglione (eds.)

By Leonardo Chiariglione (auth.), Leonardo Chiariglione (eds.)

More and additional info, audio and video but in addition a number of different info kind, is generated, processed and utilized by machines this present day, even if the tip person could be a human. the end result over the last 15 years has been a considerable elevate within the kind of details and alter within the approach people generate, classify, shop, seek, entry and devour info. Conversion of knowledge to electronic shape is a prerequisite for this superior computer position, yet needs to be performed having in brain requisites reminiscent of compactness, constancy, interpretability and so forth. This e-book offers new methods of facing electronic info and new forms of electronic info underpinning the evolution of society and business.

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The MPEG Representation of Digital Media

An increasing number of details, audio and video but additionally various different info kind, is generated, processed and utilized by machines this present day, even if the top consumer could be a human. the outcome during the last 15 years has been a considerable elevate within the form of details and alter within the approach people generate, classify, shop, seek, entry and eat details.

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Additional resources for The MPEG Representation of Digital Media

Sample text

263, Video Coding for Low Bit rate Communication. 8. 5Mbit/s,” ISO/IEC 11172-2: Video (November 1991). 9. “Generic Coding of Moving Pictures and Associated Audio Information,” ISO/IEC 13818-2: Video (November 1994). 10. “Coding of Audio-Visual Objects,” ISO/IEC 14496-2: Video (October 1998). 11. A. Puri, R. Aravind, and B. G. Haskell, “Adaptive Frame/Field Motion Compensated Video Coding”, Signal Processing Image Communication, Vol. 1–5, pp. 39–58, Feb. 1993. Chapter 3 MPEG Video Compression Advances Jens-Rainer Ohm and Gary J.

S Arithmetic coding in place of the variable length (Huffman) coding. s Advanced motion prediction mode including overlapped block motion compensation. s A mode that combines a bidirectionally predicted picture with a normal forward predicted picture. 263 supports a wider range of picture formats including 4CIF (704 × 576 pixels) and 16CIF (1,408 × 1,152 pixels) to provide a high resolution mode picture capability. 2 MPEG-4 Video Objects Coding While the MPEG-4 Visual coding includes coding of natural video as well as synthetic visual (graphics, animation) objects, here we discuss coding of natural video objects only.

13 An example of spatially scalable coding of vops reference coordinate frame is used to form the reference video objects. The resampling involves temporal interpolation, and spatial relocalization. This ensures the correct formation of the spatial prediction used to compute the spatial scalability layers. Before the object are resampled, the objects are padded to form objects that can be used in the spatial prediction process. 13 shows an example of two layer spatially scalable coding of arbitrary shaped vops.

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