In information theory, data compression, source coding, or bit-rate reduction is the process of encoding information using fewer bits than the original...

Lossless compression is a class of data compression that allows the original data to be perfectly reconstructed from the compressed data with no loss...

technology, lossy compression or irreversible compression is the class of data compression methods that uses inexact approximations and partial data discarding...

Data compression ratio, also known as compression power, is a measurement of the relative reduction in size of data representation produced by a data...

In data compression and psychoacoustics, transparency is the result of lossy data compression accurate enough that the compressed result is perceptually...

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...

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...

genomic re-sequencing data emphasizes the growing demand for efficient methods for genomic data compression. While standard data compression tools (e.g., zip...

Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage...

In data compression, a universal code for integers is a prefix code that maps the positive integers onto binary codewords, with the additional property...

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...

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...

asymmetry, in the context of data compression, refer to the time relation between compression and decompression for a given compression algorithm. If an algorithm...

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...

Smart Data Compression is a compressed GIS dataset format developed by Esri. It stores all types of feature data and attribute information together as...

different advantages and disadvantages, centered mainly around amount of data compression. These different algorithms for video frames are called picture types...

runtime. Texture data is often the largest source of memory usage in a mobile application. In their seminal paper on texture compression, Beers, Agrawala...

lossless data compression algorithm that is focused on compression and decompression speed. It belongs to the LZ77 family of byte-oriented compression schemes...

information theory, data differencing or differential compression is producing a technical description of the difference between two sets of data – a source and...

drives with compression, the compressibility of the data will affect the capacity.[how?] Tape is characterized by sequential access to data. While tape...

image compression algorithms (e.g. JPEG), S3TC's fixed-rate data compression coupled with the single memory access (cf. Color Cell Compression and some...

method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted...

information theory, set redundancy compression are methods of data compression that exploits redundancy between individual data groups of a set, usually a set...

smallest amount of information required to convey a message, as in data compression. For example, consider the transmission of sequences comprising the...

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...

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...

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...

using pure text. In reality, the overall data rate rarely exceeds 3:1 compression (~150 kbit/s). The compression tends to get better and worse over time...

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...

Executable compression is any means of compressing an executable file and combining the compressed data with decompression code into a single executable...