By H. Vicky Zhao
In large-scale media-sharing social networks, the place thousands of clients create, proportion, hyperlink and reuse media content material, there are transparent demanding situations in preserving content material safeguard and highbrow estate, and in designing scalable and trustworthy networks able to dealing with excessive degrees of site visitors. This complete source demonstrates how video game idea can be utilized to version person dynamics and optimize layout of media-sharing networks. It reports the basic methodologies used to version and examine human habit, utilizing examples from real-world multimedia social networks. With a radical research of the impression of human elements on multimedia method layout, this obtainable ebook indicates how an figuring out of human habit can be utilized to enhance method functionality. Bringing jointly mathematical instruments and engineering ideas with principles from sociology and human habit research, this one-stop advisor will let researchers to discover this rising box extra and finally layout media-sharing structures with extra effective, safe and custom-made providers
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The other strategy is to skip frames encoded in the late chunk and to play the next available chunk. 1. If the system adopts frame skipping for late chunks, users will experience sudden movement of the video. In terms of video quality, both freezing and frame skipping are undesired, but different services would have different preferences of these two strategies. For example, the frame-skipping strategy is more desirable in live-streaming systems because the freezing strategy will increase the playtime lag to wait for late chunks.
3(a), the three fingerprints corresponding to the three attackers have the same energy in the base layer; whereas the enhancement layers contain only Bob and Carl’s fingerprints, not the fingerprint identifying Alice. It is obvious that among the three, Carl has the largest probability of being caught and Alice takes the smallest risk. 3(a) does not achieve equal-risk fairness. 3(b), colluders generate an attacked copy consisting of the base layer only, and the colluded copy equals to V j1 ∈Fb = 13 X1j1 + X2j1 + X3j1 for each frame j1 ∈ Fb in the base layer.
In video-on-demand service, although a large number of users are watching the same video, they are asynchronous and different users may watch different parts of the same video. In P2P video-on-demand, if video chunks are downloaded in the order of their playback time, a new peer can make little contribution because it is very likely that it does not have the chunks that other existing peers are looking for. Meanwhile, many existing peers can help the new peer, as they have watched the beginning part of the video and those chunks may be still in their buffers if their buffers are long enough.