Download Advanced Video Coding: Principles and Techniques: The by K.N. Ngan, T. Meier, D. Chai PDF

By K.N. Ngan, T. Meier, D. Chai

In recent times, the paradigm of video coding has shifted from that of a frame-based method of a content-based procedure, fairly with the finalization of the ISO multimedia coding commonplace, MPEG-4. MPEG-4 is the rising ordinary for the coding of multimedia content material. It defines a syntax for a collection of content-based functionalities, specifically, content-based interactivity, compression and common entry. notwithstanding, it doesn't specify how the video content material is to be generated. To generate the video content material, video should be segmented into video gadgets and tracked as they transverse around the video frames. This e-book addresses the tough challenge of video segmentation, and the extraction and monitoring of video item planes as outlined in MPEG-4. It then specializes in the categorical factor of face segmentation and coding as utilized to videoconferencing in an effort to increase the standard of videoconferencing photographs specially within the facial sector. Modal-based coding is a content-based coding process used to code man made items that experience develop into an incredible a part of video content material. It leads to super low bit charges simply because basically the parameters had to characterize the modal are transmitted. Model-based coding is incorporated to supply heritage details for the unreal item coding in MPEG-4. finally, MPEG-4, the 1st coding regular for multimedia content material is defined intimately. the themes coated contain the coding of audio gadgets, the coding of typical and artificial video items, and blunder resilience. complicated Video Coding is among the first books on content-based coding and MPEG-4 coding regular. It serves as an exceptional info resource and reference for either researchers and working towards engineers.

Show description

Read or Download Advanced Video Coding: Principles and Techniques: The Content-based Approach (Advances in Image Communication, Volume 7) PDF

Best signal processing books

Principles of digital communication

The well known communications theorist Robert Gallager brings his lucid writing sort to the examine of the basic method features of electronic conversation for a one-semester path for graduate scholars. With the readability and perception that experience characterised his instructing and previous textbooks, he develops an easy framework after which combines this with cautious proofs to aid the reader comprehend smooth platforms and simplified versions in an intuitive but particular means.

Applied Digital Signal Processing: Theory and Practice

Grasp the elemental innovations and methodologies of electronic sign processing with this systematic creation, with no the necessity for an in depth mathematical heritage. The authors lead the reader during the basic mathematical ideas underlying the operation of key sign processing thoughts, supplying uncomplicated arguments and instances instead of specific basic proofs.

Short-range wireless communication : fundamentals of RF system design and application

The total “Tool equipment” for the most popular sector in RF/Wireless layout! Short-range wireless—communications over distances of below a hundred meters—is the main quickly growing to be section of RF/wireless engineering. Alan Bensky is an the world over well-known professional in short-range instant, and this re-creation of his bestselling e-book is totally revised to hide the newest advancements during this fast-paced box.

Robust automatic speech recognition : a bridge to practical applications

Powerful computerized Speech popularity: A Bridge to functional purposes establishes a superior starting place for automated speech acceptance that's strong opposed to acoustic environmental distortion. It presents an intensive assessment of classical and smooth noise-and reverberation powerful suggestions which have been constructed during the last thirty years, with an emphasis on useful tools which were confirmed to achieve success and that are more likely to be additional constructed for destiny functions.

Extra resources for Advanced Video Coding: Principles and Techniques: The Content-based Approach (Advances in Image Communication, Volume 7)

Example text

Adjacent regions of a segmentation should have significantly different values with respect to the characteristic on which they are uniform. " Notice that the characteristic or similarity measure is a low-level feature such as color, intensity, or optical flow. Therefore, apart from very simple cases where the features directly correspond to objects, the resulting partitions do not have any semantical meaning attached to them. An interpretation of the scene must be obtained by a higher-level process, after the segmentation into primitive regions has been carried out.

The variations of these brightness patterns are perceived as apparent motion. Apparent motion can be characterized by a correspondence vector field or by an optical flow field. 44) For a sufficiently small At, the velocity can be approximated as being constant during that time interval. It follows that d(x) = u ( x ) . At, which means that the correspondence vector is proportional to the optical flow. If At is set to unity, optical flow and correspondence vectors can even be used interchangeably.

However, binary images can be viewed as a special case of images with two gray-levels. Therefore, we will here only consider gray-level operators. 3. 2, let L - {(x,y)ll _< x < M, 1 < y < N} denote a finite rectangular lattice of M • N pixels so that the gray-level image I(x, y) is defined on L. A partition A - {A1,... , Am} of L is then the set of disjoint connected components Ai such that the union of these components is equal to L; that is, tsm_lAi- L. Furthermore, a partition A - {A1,... ,Am} is finer than another partition B - {B1,...

Download PDF sample

Rated 4.27 of 5 – based on 17 votes

About the Author

admin