Results 61 to 70 of about 30,630 (205)
A Review of Classical Lossless Data Compression Algorithmsand Their Contemporary Relevance [PDF]
Biuletyn Wojskowej Akademii TechnicznejCompression is data processing aimed at reducing the amount of information (e.g., for archiving and transfer). There is lossyand lossless compression. Compression algorithms can be either general-purpose or designed for specific types of data (e.g., for ...
Dominik Maciej Matusiak
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Huffman coding with unequal letter costs [PDF]
Proceedings of the thiry-fourth annual ACM symposium on Theory of computing - STOC '02, 2002 (MATH) In the standard Huffman coding problem, one is given a set of words and for each word a positive frequency. The goal is to encode each word w as a codeword c(w) over a given alphabet. The encoding must be prefix free (no codeword is a prefix of any other) and should minimize the weighted average codeword size Σw freq w, |c(w)|. The problem has a
Mordecai J. Golin +2 more
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Meteoritics &Planetary Science, EarlyView.Abstract The Tvären structure in southeastern Sweden has been listed as a confirmed marine‐target impact structure for decades. However, to date, no measurements and/or indexed data of planar deformation features in quartz grains from the structure have been published or any other unequivocal evidence of impact.
Katarzyna J. Gajewska +6 more
wiley +1 more source
Medical Education, EarlyView.Abstract Background This scoping review explores the impact of coaching on the professional identity formation (PIF) of postgraduate medical trainees. Although coaching is well‐documented in undergraduate medical education, its role in postgraduate medical education (PME) remains underexplored.
Roshanee Seth +3 more
wiley +1 more source
Enhancing Cost and Security of Arabic SMS Messages over Mobile Phone Network [PDF]
Al-Rafidain Journal of Computer Sciences and Mathematics, 2009 This paper investigates a novel algorithm for compressing and encrypting Arabic short text messages (SMS messages). Short text messages are used in cellular networks.
Abdullah Abdullah
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Efficient coding of information: Huffman coding [PDF]
, 2018 In his classic paper of 1948, Claude Shannon considered the problem of efficiently describing a source that outputs a sequence of symbols, each associated with a probability of occurrence, and provided the theoretical limits of achievable performance. In
Sridhara, Deepak
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Equal Time, Unequal Labor Division: Adolescents' Domestic Labor Time During the COVID‐19 Pandemic
Sociological Inquiry, EarlyView.While existing research offers mixed evidence on how the COVID‐19 pandemic affected adults' division of housework, adolescents have remained largely overlooked in this regard. Using nationally representative data from the 2019–2021 American Time Use Survey and Current Population Survey, this study examines changes in adolescents' unpaid labor before ...
Suyeon Park Jang
wiley +1 more source
An improved Huffman coding method for archiving text, images, and music characters in DNA
BioTechniques, 2009 An improved Huffman coding method for information storage in DNA is described. The method entails the utilization of modified unambiguous base assignment that enables efficient coding of characters.
Menachem Ailenberg, Ori D. Rotstein
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Real-time transmission of digital video using variable-length coding [PDF]
Huffman coding is a variable-length lossless compression technique where data with a high probability of occurrence is represented with short codewords, while 'not-so-likely' data is assigned longer codewords.
Bizon, Thomas P. +2 more
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A new lossless method of Huffman coding for text data compression and decompression process with FPGA implementation [PDF]
, 2016 Digital compression for reducing data size is important because of bandwidth restriction. Compression technique is also named source coding. It defines the process of compressed data using less number of bits than uncompressed form.
Hameed, Maan +3 more
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