By Wu-Chi Feng
Many rising applied sciences corresponding to video conferencing, video-on-demand, and electronic libraries require the effective supply of compressed video streams. For purposes that require the supply of compressed saved multimedia streams, the a priori wisdom to be had approximately those compressed streams can relief within the allocation of server and community assets. through the use of a client-side buffer, the source necessities from the server and community could be minimized.
Buffering options for supply of Compressed Video in Video-on-Demand Systems offers a complete description of buffering recommendations for the supply of compressed, prerecorded multimedia facts. whereas those strategies may be utilized to any compressed facts streams, this booklet focusses totally on the supply of video streams as a result of the huge source necessities that they could eat. The ebook first describes buffering suggestions for the continual playback of kept video assets. particularly, numerous bandwidth smoothing (or buffering) algorithms which are provably optimum less than yes stipulations are provided. to supply a well-rounded dialogue, the e-book then describes extensions that reduction within the skill to supply interactive supply of video throughout networks. particularly, reservation thoughts that take into consideration interactive features akin to fast-forward and rewind are defined. furthermore, extensions to the bandwidth smoothing algorithms offered within the first few chapters are defined. those algorithms are designed with interactive, non-stop playback of kept video in brain and also are provably optimum less than definite constraints.
Buffering recommendations for supply of Compressed Video in Video-on-Demand Systems serves as a good source for multimedia structures, networking and video-on-demand designers, and will be used as a textual content for complicated classes at the subject.
Read Online or Download Buffering Techniques for Delivery of Compressed Video in Video-on-Demand Systems (The Springer International Series in Engineering and Computer Science) PDF
Similar computers books
Specialists with the Fraunhofer Institute for special effects in Darmstadt, Germany not just introduce electronic watermarking and similar media-specific protection strategies, but additionally the highbrow estate safeguard context within which such equipment are utilized. additionally they talk about the restrictions of present applied sciences and destiny study instructions, and supply examples of electronic rights administration platforms.
This quantity offers the 36 complete refereed papers chosen from the shows on the First eu Workshop on Case-Based Reasoning, held at Kaiserslautern, Germany in November 1993. Case-based reasoning (CBR) has lately attracted a lot curiosity between AI researchers: it helps wisdom acquisition and challenge fixing, and it's on the topic of desktop studying, analogical reasoning, cognitive modeling, similarity, and knowledge retrieval.
Name it a keep an eye on factor, yet till recently--or, extra particularly, till the provision of electronic uncooked digital camera formats--you easily were not able to make the flow to electronic images. uncooked codecs, even though, replaced all of that by way of permitting you to retrieve photographs prior to any in-camera processing has been played.
Google Apps are Web-based, inexpensive (or loose! ) place of work productiveness instruments that do every little thing these pricey functions do — and you may entry them from any machine with an online connection. Google Apps For Dummies boosts your "app-titude" via supplying you with the low-down on picking, constructing, and utilizing those nifty and robust instruments for paintings or play.
- The Definitive Guide to the Microsoft Enterprise Library
- Cloud Computing: First International Conference, CloudComp 2009 Munich, Germany, October 19–21, 2009 Revised Selected Papers
- SUSE Linux Enterprise Server 10. Advanced Administration
- Chart Pattern Recognition For MetaStock and MetaStock
- The Mandarin-Capitalists from Nanyang: Overseas Chinese Enterprise in the Modernisation of China 1893-1911
- Data Complexity in Pattern Recognition
Extra info for Buffering Techniques for Delivery of Compressed Video in Video-on-Demand Systems (The Springer International Series in Engineering and Computer Science)
Note that any constant bandwidth allocation plan for the entire movie must have this minimum buffer size but is typically much larger in size. " To prove this theorem, we start by proving that the critical bandwidth following the first critical point CP 0 must have a bandwidth CB less than the first critical bandwidth CB 0. To see that the run following CP 0 must have a critical bandwidth less than CP 0, assume that this run has a critical bandwidth CB determined by a critical point CP. By the definition of critical bandwidth, CB o must be greater than the average frame size from frame 1 to frame CP.
Quality 100) video even though both the variance in frame sizes and the average frame sizes were smaller in the Speed video. Thus, the buffer size is primarily due to the long term burstiness, and to a lesser degree, the average frame sizes within the videos. One final note on the video data; using MPEG video data rather than MJPEG data can typically result in buffer requirements that are approximately 4-7 times smaller, assuming that the MPEG movie contains P and B frames.
In the event that this minimum buffer size exceeds the buffer space available, then the client must increase the bandwidth in the middle of the video clip, substituting increased network bandwidth for missing buffer bandwidth. The critical bandwidth allocation with a maximum buffer constraint has the same properties as the CBA algorithm but increases bandwidth only when necessary. As a result, the CBA algorithm with a maximum buffer constraint (referred to from now on as the CBA algorithm) results in a plan that: • requires no prefetching of data before playback begins • has the minimum number of bandwidth increase changes • has the smallest peak bandwidth requirement • has the largest minimum bandwidth requirement In our discussion, we modify the definition of critical points and critical bandwidths to work with a maximum buffer constraint.
Buffering Techniques for Delivery of Compressed Video in Video-on-Demand Systems (The Springer International Series in Engineering and Computer Science) by Wu-Chi Feng