Results 11 to 20 of about 131,990 (294)
Entropy Vectors and Network Codes [PDF]
2007 IEEE International Symposium on Information Theory, 2007 We consider a network multicast example that relates the solvability of the multicast problem with the existence of an entropy function. As a result, we provide an alternative approach to the proving of the insufficiency of linear (and abelian) network codes and demonstrate the utility of non-Shannon inequalities to tighten outer bounds on network ...
Chan, Terence, Grant, Alex
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Quantum Coding Theorem for Mixed States [PDF]
, 1995 We prove a theorem for coding mixed-state quantum signals. For a class of coding schemes, the von Neumann entropy $S$ of the density operator describing an ensemble of mixed quantum signal states is shown to be equal to the number of spin-$1/2$ systems ...
Anandan +11 more
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Increased Compression Efficiency of AVC and HEVC CABAC by Precise Statistics Estimation [PDF]
International Journal of Electronics and Telecommunications, 2018 The paper presents Improved Adaptive Arithmetic Coding algorithm for application in future video compression technology. The proposed solution is based on the Context-based Adaptive Binary Arithmetic Coding (CABAC) technique and uses the authors ...
Damian Karwowski, Marek Domański
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Information entropy of coding metasurface [PDF]
Light: Science & Applications, 2016 Because of their exceptional capability to tailor the effective medium parameters, metamaterials have been widely used to control electromagnetic waves, which has led to the observation of many interesting phenomena, for example, negative refraction, invisibility cloaking, and anomalous reflections and transmissions.
Cui, Tie-Jun, Liu, Shuo, Li, Lian-Lin
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Lightweight Compression with Encryption Based on Asymmetric Numeral Systems
International Journal of Applied Mathematics and Computer Science, 2023 Data compression combined with effective encryption is a common requirement of data storage and transmission. Low cost of these operations is often a high priority in order to increase transmission speed and reduce power usage.
Duda Jarosław, Niemiec Marcin
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Multiple Description Coding of Discrete Ergodic Sources [PDF]
, 2009 We investigate the problem of Multiple Description (MD) coding of discrete ergodic processes. We introduce the notion of MD stationary coding, and characterize its relationship to the conventional block MD coding. In stationary coding, in addition to the
Jalali, Shirin, Weissman, Tsachy
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Lossy Joint Source-Channel Coding Using Raptor Codes
International Journal of Digital Multimedia Broadcasting, 2008 The straightforward application of Shannon's separation principle may entail a significant suboptimality in practical systems with limited coding delay and complexity.
O. Y. Bursalioglu +3 more
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IEEE Access, 2020 As speed of communication data path is drastically improved in this decade due to the high data rate, evolutional technology is demanded to address the fast communication implementation.
Shinichi Yamagiwa, Suzukaze Kuwabara
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Network correlated data gathering with explicit communication: NP-completeness and algorithms [PDF]
, 2005 We consider the problem of correlated data gathering by a network with a sink node and a tree-based communication structure, where the goal is to minimize the total transmission cost of transporting the information collected by the nodes, to the sink ...
Baltasar Beferull-lozano +6 more
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On Transmitted Complexity Based on Modified Compound States
Entropy, 2023 Based on the classical dynamical entropy, the channel coding theorem is investigated. Attempts to extend the dynamical entropy to quantum systems have been made by several researchers In 1999, Kossakowski, Ohya and I introduced the quantum dynamical ...
Noboru Watanabe
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