Results 271 to 280 of about 112,618 (306)
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LOSSLESS COMPRESSION FOR TEXT AND IMAGES
International Journal of High Speed Electronics and Systems, 1997Most data that is inherently discrete needs to be compressed in such a way that it can be recovered exactly, without any loss. Examples include text of all kinds, experimental results, and statistical databases. Other forms of data may need to be stored exactly, such as images—particularly bilevel ones, or ones arising in medical and remote-sensing ...
Alistair Moffat +2 more
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Search and Retrieval of Compressed Text
2005In recent times, we have witnessed an unprecedented growth of textual information via the Internet, digital libraries and archival text in many applications. To be able to store, manage, organize and transport the data efficiently, text compression is necessary.
Amar Mukherjee +4 more
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Morphology based text compression
2010 IEEE 18th Signal Processing and Communications Applications Conference, 2010With the rapid growth of online information, the number of documents in electronic media is very common increased. Easy and quick access to this information gets more important for the purpose of text compression. In recent years, a portion of the work in the field of text compression covers study aimed to the morphological structure of the language ...
GÖKSU, Hayriye, DİRİ, Banu
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Modelling Chinese For Text Compression
Data Compression Conference, 2005Summary form only given. We have adapted the PPM model especially for Chinese text and achieve good compression results. We highlighted the importance of pre-processing work for Chinese, as unlike naturally segmented languages such as English, it is not clear what are the most appropriate symbols to use for encoding.
Peiliang Wu, William John Teahan
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Sequential neural text compression
IEEE Transactions on Neural Networks, 1996The purpose of this paper is to show that neural networks may be promising tools for data compression without loss of information. We combine predictive neural nets and statistical coding techniques to compress text files. We apply our methods to certain short newspaper articles and obtain compression ratios exceeding those of the widely used Lempel ...
Jürgen Schmidhuber, Stefan Heil
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Software: Practice and Experience, 1989
AbstractThe development of efficient algorithms to support arithmetic coding has meant that powerful models of text can now be used for data compression. Here the implementation of models based on recognizing and recording words is considered. Move‐to‐the‐front and several variable‐order Markov models have been tested with a number of different data ...
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AbstractThe development of efficient algorithms to support arithmetic coding has meant that powerful models of text can now be used for data compression. Here the implementation of models based on recognizing and recording words is considered. Move‐to‐the‐front and several variable‐order Markov models have been tested with a number of different data ...
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Predictive encoding in text compression
Information Processing & Management, 1989Abstract In predictive text compression the characters are encoded one by one on the basis of a few preceding characters. The usage of contextual knowledge makes the compression more effective than the plain coding of characters independently of their neighbors.
Timo Raita, Jukka Teuhola
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Compressing Semistructured Text Databases
2003We describe a compression model for semistructured documents, called Structural Contexts Model, which takes advantage of the context information usually implicit in the structure of the text. The idea is to use a separate semiadaptive model to compress the text that lies inside each different structure type (e.g., different XML tag).
Joaquín Adiego +2 more
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Search and Modification in Compressed Texts
2011 Data Compression Conference, 2011Text compression techniques like bzip2 lack the possibility to search or to update substrings at given positions of texts that have been compressed without prior de-compression of the compressed text. We have developed Indexed Reversible Transformation (IRT), a modified version of the Burrows-Wheeler-Transformation (BWT) that in combination with run ...
Stefan Böttcher +2 more
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Compression of Multilingual Aligned Texts
Data Compression Conference (DCC'06), 2006Summary form only given. Multilingual text compression depends primarily on the ability to match the corresponding parts of related texts by identifying semantic correspondences across the various sub-texts, a task generally referred to as text alignment.
Ehud S. Conley, Shmuel Tomi Klein
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