In information theory, data compression, source coding, or bit-rate reduction is the process of encoding information using fewer bits than the original...
68 KB (7,554 words) - 02:24, 11 July 2024
Data compression ratio, also known as compression power, is a measurement of the relative reduction in size of data representation produced by a data...
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Lossless compression is a class of data compression that allows the original data to be perfectly reconstructed from the compressed data with no loss...
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technology, lossy compression or irreversible compression is the class of data compression methods that uses inexact approximations and partial data discarding...
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In data compression and psychoacoustics, transparency is the result of lossy data compression accurate enough that the compressed result is perceptually...
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caused by the application of lossy compression. Lossy data compression involves discarding some of the media's data so that it becomes small enough to...
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asymmetry, in the context of data compression, refer to the time relation between compression and decompression for a given compression algorithm. If an algorithm...
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Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage...
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lossless data compression algorithm that is focused on compression and decompression speed. It belongs to the LZ77 family of byte-oriented compression schemes...
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Deflate (redirect from Deflation (data compression))
Deflate (stylized as DEFLATE, and also called Flate) is a lossless data compression file format that uses a combination of LZ77 and Huffman coding. It...
28 KB (3,113 words) - 09:39, 16 May 2024
Lempel–Ziv–Welch (redirect from Lempel-Ziv-Welch data compression)
Lempel–Ziv–Welch (LZW) is a universal lossless data compression algorithm created by Abraham Lempel, Jacob Ziv, and Terry Welch. It was published by Welch...
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Smart Data Compression is a compressed GIS dataset format developed by Esri. It stores all types of feature data and attribute information together as...
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engine Compression (geology) Compression or compressive strength Data compression, reducing the data required for information Audio compression (data), reducing...
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compression a video frame is compressed using different algorithms with different advantages and disadvantages, centered mainly around amount of data...
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Electric power quality (redirect from Power quality compression algorithm)
year. The compression is performed in real time, as the signals are acquired; it calculates a compression decision before all the compressed data is received...
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In data compression, a universal code for integers is a prefix code that maps the positive integers onto binary codewords, with the additional property...
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image compression algorithms (e.g. JPEG), S3TC's fixed-rate data compression coupled with the single memory access (cf. Color Cell Compression and some...
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drives with compression, the compressibility of the data will affect the capacity.[how?] Tape is characterized by sequential access to data. While tape...
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JPEG (redirect from Data compression/JPEG)
method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted...
106 KB (13,321 words) - 13:49, 7 July 2024
genomic re-sequencing data emphasizes the growing demand for efficient methods for genomic data compression. While standard data compression tools (e.g., zip...
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LZ77 and LZ78 (redirect from Data compression/LZ77 78)
LZ77 and LZ78 are the two lossless data compression algorithms published in papers by Abraham Lempel and Jacob Ziv in 1977 and 1978. They are also known...
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HTTP compression is a capability that can be built into web servers and web clients to improve transfer speed and bandwidth utilization. HTTP data is compressed...
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List of archive formats (redirect from Compression formats)
IANA. Compression-only formats should often be denoted by the media type of the decompressed data, with a content coding indicating the compression format...
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Arithmetic coding (redirect from Data compression/Arithmetic coding)
Arithmetic coding (AC) is a form of entropy encoding used in lossless data compression. Normally, a string of characters is represented using a fixed number...
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Machine learning (section Data compression)
and compression. A system that predicts the posterior probabilities of a sequence given its entire history can be used for optimal data compression (by...
134 KB (14,772 words) - 03:33, 8 July 2024
Entropy (information theory) (redirect from Data compression/entropy)
smallest amount of information required to convey a message, as in data compression. For example, consider the transmission of sequences comprising the...
69 KB (9,894 words) - 18:15, 10 July 2024
runtime. Texture data is often the largest source of memory usage in a mobile application. In their seminal paper on texture compression, Beers, Agrawala...
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to combine this with other forms of data compression and deduplication, it is distinct from newer approaches to data deduplication (which can operate at...
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Huffman coding (redirect from Data compression/Huffman coding)
particular type of optimal prefix code that is commonly used for lossless data compression. The process of finding or using such a code is Huffman coding, an...
35 KB (4,434 words) - 11:59, 13 June 2024
Gzip (redirect from Gzip compression)
was intended as a replacement for LZW and other patent-encumbered data compression algorithms which, at the time, limited the usability of the compress...
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