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检索条件"主题词=coding and information theory"
41 条 记 录,以下是31-40 订阅
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Effects of Unequal Bit Costs on Classical Huffman Codes  17
Effects of Unequal Bit Costs on Classical Huffman Codes
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17th International Conference on Computer and information Technology (ICCIT)
作者: Kabir, Sohag Azad, Tanzima Alam, A. S. M. Ashraful Kaykobad, Mohammad Univ Hull Dept Comp Sci Kingston Upon Hull HU6 7RX N Humberside England Bangladesh Univ Engn & Technol Dept Comp Sci & Engn Dhaka Bangladesh Univ Otago Dept Comp Sci Dunedin New Zealand
Classical Huffman codes have a very good compression performance over traditional systems. Yet, more efficient encoding is possible by considering and applying techniques that treat the binary bits differently conside... 详细信息
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Generational analysis of tension and entropy in data structures: impact on automatic data integration and on the semantic web
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KNOWLEDGE AND information SYSTEMS 2011年 第1期28卷 175-196页
作者: Rohn, Eli CogniMax LLC Highland Pk NJ 08904 USA
The move toward automatic data integration from autonomous and heterogeneous sources is viewed as a transition from a closed to an open system, which is in essence an adaptive information processing system. Data defin... 详细信息
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Generational analysis of variety in data structures: impact on automatic data integration and on the semantic web
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KNOWLEDGE AND information SYSTEMS 2010年 第2期24卷 283-304页
作者: Rohn, Eli New Jersey Inst Technol Dept Informat Syst Newark NJ 07102 USA
We examine data definition languages (DDLs) from various computing era spanning almost 50 years to date. We prove that contemporary DDLs are indistinguishable from older ones using Zipf distribution of words, Zipf dis... 详细信息
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Implementing the LZ-index: theory versus Practice
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ACM Journal of Experimental Algorithmics 2009年 第PP1.2–1.49期13卷 1.2-1.49页
作者: Navarro, Gonzalo Department of Computer Science University of Chile Santiago Blanco Encalada 2120 Chile
The LZ-index is a theoretical proposal of a lightweight data structure for text indexing, based on the Ziv-Lempel trie. If a text of u characters over an alphabet of size σ is compressible to n symbols using the LZ78... 详细信息
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Compressed text indexes: From theory to practice
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ACM Journal of Experimental Algorithmics 2008年 第PP1.12–1.31期13卷 1.12–1.31页
作者: Ferragina, Paolo González, Rodrigo Navarro, Gonzalo Venturini, Rossano University of Pisa Italy University of Chile Chile
A compressed full-text self-index represents a text in a compressed form and still answers queries efficiently. This represents a significant advancement over the (full-)text indexing techniques of the previous decade... 详细信息
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Lightweight error correction coding for system-level interconnects
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IEEE TRANSACTIONS ON COMPUTERS 2007年 第3期56卷 289-304页
作者: Bakos, Jason D. Chiarulli, Donald M. Levitan, Steven P. Univ S Carolina Dept Comp Sci & Engn Columbia SC 29208 USA Univ Pittsburgh Dept Comp Sci Pittsburgh PA 15260 USA Univ Pittsburgh Dept Elect & Comp Engn Pittsburgh PA 15260 USA
"Lightweight Hierarchical Error Control coding ( LHECC)" is a new class of nonlinear block codes that is designed to increase noise immunity and decrease error rate for high-performance chip-to-chip and on-c... 详细信息
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Analysis of errors and erasures in parity sharing RS codecs
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IEEE TRANSACTIONS ON COMPUTERS 2007年 第12期56卷 1721-1726页
作者: Cardarilli, G. C. Pontarelli, S. Re, M. Salsano, A. Univ Rome Dept Elect Engn Rome Italy
Reed Solomon (RS) codes are widely used to protect information from errors in transmission and storage systems. Most of the RS codes are based on GFd(2(8)) Galois Fields and use a byte to encode a symbol providing cod... 详细信息
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The quest for error correction in biology
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IEEE ENGINEERING IN MEDICINE AND BIOLOGY MAGAZINE 2006年 第1期25卷 46-53页
作者: Gupta, MK Queens Univ Dept Math & Stat Kingston ON K7L 3N6 Canada
The goal of this article is to give a brief account of the recent developments in codes and biology. With the increasing understanding of biology and with the advancement of sequencing technology, the whole human geno... 详细信息
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Efficient m-ary balanced codes which are invariant under symbol permutation
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IEEE TRANSACTIONS ON COMPUTERS 2006年 第8期55卷 929-946页
作者: Mascella, Raffaele Tallini, Luca G. Univ Teramo Dipartimento Sci Comunicaz I-64100 Teramo Italy
A symbol permutation invariant balanced (SPI-balanced) code over the alphabet ZZ(m) = {0, 1,..., m - 1} is a block code over ZZm such that each alphabet symbol occurs as many times as any other symbol in every codewor... 详细信息
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Video coding with Superimposed Motion-Compensated Signals  1
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丛书名: The Springer International Series in Engineering and Computer Science
2004年
作者: Markus Flierl Bernd Girod
Appendices 133 A Mathematical Results 133 A.1 Singularities of the Displacement Error Covariance Matrix 133 A.2 A Class of Matrices and their Eigenvalues 134 A.3 Inverse of the Power Spectral Density Matrix 134 A.4 Po... 详细信息
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