data compression technique

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• Data compression — Source coding redirects here. For the term in computer programming, see Source code. In computer science and information theory, data compression, source coding or bit rate reduction is the process of encoding information using fewer bits than… …   Wikipedia

• data compression — Process of reducing the amount of data needed for storage or transmission of a given piece of information (text, graphics, video, sound, etc.), typically by use of encoding techniques. Data compression is characterized as either lossy or lossless …   Universalium

• Data compression — A&V A technique that provides for the transmission or storage, without noticeable information loss, of few data bits than were originally used when the data was created …   Audio and video glossary

• data compression —    A technique that saves storage space by eliminating gaps, empty fields, redundancy, or unnecessary data, thus shortening the length of records or blocks …   IT glossary of terms, acronyms and abbreviations

• Lossless data compression — is a class of data compression algorithms that allows the exact original data to be reconstructed from the compressed data. The term lossless is in contrast to lossy data compression, which only allows an approximation of the original data to be… …   Wikipedia

• Universal code (data compression) — In data compression, a universal code for integers is a prefix code that maps the positive integers onto binary codewords, with the additional property that whatever the true probability distribution on integers, as long as the distribution is… …   Wikipedia

• Smart Data Compression — is a technique to compress GIS dataset, store all types of feature data and attribute information togetheras a core data structure, SDC format is used in ArcGIS streetmap, routeServer, routeMap IMS, business analyst, businessMap, ArcMobile SDK… …   Wikipedia

• Lossless Data Compression — VP A compression technique that allows the original data to be reconstructed when uncompressed. This is in contrast to lossy data compression, where only an approximation of the original data is available …   Audio and video glossary

• Data deduplication — In computing, data deduplication is a specialized data compression technique for eliminating coarse grained redundant data. The technique is used to improve storage utilization and can also be applied to network data transfers to reduce the… …   Wikipedia

• Compression artifact — Original image, with good color grade Loss of edge clarity and tone fuzziness in heavy JPEG compression A compression ar …   Wikipedia

• Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia