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- Data_compression abstract "In computer science and information theory, data compression, source coding,or bit-rate reduction involves encoding information using fewer bits than the original representation. Compression can be either lossy or lossless. Lossless compression reduces bits by identifying and eliminating statistical redundancy. No information is lost in lossless compression. Lossy compression reduces bits by identifying unnecessary information and removing it.The process of reducing the size of a data file is popularly referred to as data compression, although its formal name is source coding (coding done at the source of the data before it is stored or transmitted).Compression is useful because it helps reduce resource usage, such as data storage space or transmission capacity. Because compressed data must be decompressed to use, this extra processing imposes computational or other costs through decompression; this situation is far from being a free lunch. Data compression is subject to a space–time complexity trade-off. For instance, a compression scheme for video may require expensive hardware for the video to be decompressed fast enough to be viewed as it is being decompressed, and the option to decompress the video in full before watching it may be inconvenient or require additional storage. The design of data compression schemes involves trade-offs among various factors, including the degree of compression, the amount of distortion introduced (e.g., when using lossy data compression), and the computational resources required to compress and uncompress the data.New alternatives to traditional systems (which sample at full resolution, then compress) provide efficient resource usage based on principles of compressed sensing. Compressed sensing techniques circumvent the need for data compression by sampling off on a cleverly selected basis.".
- Data_compression wikiPageExternalLink data_compression_3.php.
- Data_compression wikiPageExternalLink download.php?file=1114.
- Data_compression wikiPageExternalLink download.php?file=1194.
- Data_compression wikiPageExternalLink download.php?file=1196.
- Data_compression wikiPageExternalLink 0470518499.pdf.
- Data_compression wikiPageExternalLink TSU12345USEN.PDF.
- Data_compression wikiPageExternalLink tech3296.pdf.
- Data_compression wikiPageExternalLink audio_archiving_guide_part_1_-_music_formats.
- Data_compression wikiPageExternalLink chapter7.pdf.
- Data_compression wikiPageExternalLink index.php?title=Lossless_comparison.
- Data_compression wikiPageExternalLink compression.pdf.
- Data_compression wikiPageExternalLink video-1080p.aspx.
- Data_compression wikiPageExternalLink theory.html.
- Data_compression wikiPageExternalLink www.soundexpert.info.
- Data_compression wikiPageExternalLink index.html.
- Data_compression wikiPageExternalLink showArticle.jhtml?articleID=185301351.
- Data_compression wikiPageID "8013".
- Data_compression wikiPageRevisionID "605652514".
- Data_compression hasPhotoCollection Data_compression.
- Data_compression subject Category:Audio_engineering.
- Data_compression subject Category:Computer_storage.
- Data_compression subject Category:Data_compression.
- Data_compression subject Category:Digital_audio.
- Data_compression subject Category:Digital_television.
- Data_compression subject Category:Film_and_video_technology.
- Data_compression subject Category:Utility_software_types.
- Data_compression subject Category:Video_compression.
- Data_compression subject Category:Videotelephony.
- Data_compression type Genre.
- Data_compression type MusicGenre.
- Data_compression type TopicalConcept.
- Data_compression type Concept.
- Data_compression comment "In computer science and information theory, data compression, source coding,or bit-rate reduction involves encoding information using fewer bits than the original representation. Compression can be either lossy or lossless. Lossless compression reduces bits by identifying and eliminating statistical redundancy. No information is lost in lossless compression.".
- Data_compression label "Compresión de datos".
- Data_compression label "Compression de données".
- Data_compression label "Compressione dei dati".
- Data_compression label "Compressão de dados".
- Data_compression label "Data compression".
- Data_compression label "Datacompressie".
- Data_compression label "Datenkompression".
- Data_compression label "Kompresja (informatyka)".
- Data_compression label "Сжатие данных".
- Data_compression label "ضغط بيانات".
- Data_compression label "データ圧縮".
- Data_compression label "数据压缩".
- Data_compression sameAs Komprese_dat.
- Data_compression sameAs Datenkompression.
- Data_compression sameAs Συμπίεση_δεδομένων.
- Data_compression sameAs Compresión_de_datos.
- Data_compression sameAs Datu-konpresio.
- Data_compression sameAs Compression_de_données.
- Data_compression sameAs Kompresi_data.
- Data_compression sameAs Compressione_dei_dati.
- Data_compression sameAs データ圧縮.
- Data_compression sameAs 데이터_압축.
- Data_compression sameAs Datacompressie.
- Data_compression sameAs Kompresja_(informatyka).
- Data_compression sameAs Compressão_de_dados.
- Data_compression sameAs m.0279m.
- Data_compression sameAs Q2493.
- Data_compression sameAs Q2493.
- Data_compression wasDerivedFrom Data_compression?oldid=605652514.
- Data_compression isPrimaryTopicOf Data_compression.