• 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 (7,556 words) - 22:09, 19 May 2025
  • Lossless compression is a class of data compression that allows the original data to be perfectly reconstructed from the compressed data with no loss...
    34 KB (4,155 words) - 04:20, 2 March 2025
  • Data compression ratio, also known as compression power, is a measurement of the relative reduction in size of data representation produced by a data...
    6 KB (854 words) - 23:54, 25 April 2024
  • Thumbnail for Lossy compression
    technology, lossy compression or irreversible compression is the class of data compression methods that uses inexact approximations and partial data discarding...
    26 KB (3,269 words) - 15:54, 15 June 2025
  • In data compression and psychoacoustics, transparency is the result of lossy data compression accurate enough that the compressed result is perceptually...
    7 KB (816 words) - 14:12, 1 June 2024
  • Thumbnail for Image compression
    Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage...
    19 KB (2,109 words) - 04:21, 30 May 2025
  • 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...
    18 KB (2,566 words) - 09:26, 9 January 2025
  • Thumbnail for Compression artifact
    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...
    22 KB (2,354 words) - 10:40, 24 May 2025
  • asymmetry, in the context of data compression, refer to the time relation between compression and decompression for a given compression algorithm. If an algorithm...
    3 KB (239 words) - 09:41, 3 January 2025
  • 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...
    30 KB (3,424 words) - 20:43, 24 May 2025
  • 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...
    29 KB (3,192 words) - 22:57, 24 May 2025
  • genomic re-sequencing data emphasizes the growing demand for efficient methods for genomic data compression. While standard data compression tools (e.g., zip...
    18 KB (1,423 words) - 19:55, 18 June 2025
  • Thumbnail for JPEG
    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...
    109 KB (13,569 words) - 02:41, 14 June 2025
  • image compression algorithms (e.g. JPEG), S3TC's fixed-rate data compression coupled with the single memory access (cf. Color Cell Compression and some...
    16 KB (2,003 words) - 08:22, 4 June 2025
  • lossless data compression algorithm that is focused on compression and decompression speed. It belongs to the LZ77 family of byte-oriented compression schemes...
    7 KB (641 words) - 03:34, 24 March 2025
  • Thumbnail for Texture compression
    runtime. Texture data is often the largest source of memory usage in a mobile application. In their seminal paper on texture compression, Beers, Agrawala...
    6 KB (719 words) - 06:00, 26 May 2025
  • Thumbnail for Fractal compression
    Fractal compression is a lossy compression method for digital images, based on fractals. The method is best suited for textures and natural images, relying...
    24 KB (2,701 words) - 16:32, 16 June 2025
  • Thumbnail for HTTP compression
    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...
    17 KB (1,841 words) - 05:55, 18 May 2025
  • Smart Data Compression is a compressed GIS dataset format developed by Esri. It stores all types of feature data and attribute information together as...
    3 KB (315 words) - 21:07, 28 May 2024
  • Thumbnail for MP3
    MP3 (redirect from Data compression/MP3)
    MPEG-1 Audio or MPEG-2 Audio encoded data, without other complexities of the MP3 standard. Concerning audio compression, which is its most apparent element...
    108 KB (11,633 words) - 06:42, 6 June 2025
  • solid compression is a method for data compression of multiple files, wherein all the uncompressed files are concatenated and treated as a single data block...
    6 KB (547 words) - 16:48, 27 January 2025
  • Thumbnail for Entropy (information theory)
    smallest amount of information required to convey a message, as in data compression. For example, consider the transmission of sequences comprising the...
    72 KB (10,220 words) - 13:03, 6 June 2025
  • encoding, also known as front compression, back compression, or front coding, is a type of delta encoding compression algorithm whereby common prefixes...
    2 KB (238 words) - 00:48, 6 December 2024
  • targeted at mobile phones. It is known for its small app size and data compression technology, making it popular in emerging markets where people tend...
    28 KB (2,611 words) - 20:28, 15 May 2025
  • disk compression software utility increases the amount of information that can be stored on a hard disk drive of given size. Unlike a file compression utility...
    26 KB (2,651 words) - 10:01, 27 May 2025
  • memory compression (also referred to as RAM compression and memory compression) is a memory management technique that utilizes data compression to reduce...
    24 KB (2,667 words) - 07:09, 26 May 2025
  • the term bandwidth compression has the following meanings: The reduction of the bandwidth needed to transmit a given amount of data in a given time. The...
    8 KB (893 words) - 23:16, 9 June 2025
  • 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...
    19 KB (2,430 words) - 17:08, 2 May 2025
  • different advantages and disadvantages, centered mainly around amount of data compression. These different algorithms for video frames are called picture types...
    9 KB (1,280 words) - 17:07, 27 January 2025
  • Thumbnail for 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...
    7 KB (988 words) - 21:49, 11 June 2025