preprocessing compression

См. также в других словарях:

• 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

• PAQ — A sample session of PAQ8O PAQ is a series of lossless data compression archivers that have evolved through collaborative development to top rankings on several benchmarks measuring compression ratio (although at the expense of speed and memory… …   Wikipedia

• List of algorithms — The following is a list of the algorithms described in Wikipedia. See also the list of data structures, list of algorithm general topics and list of terms relating to algorithms and data structures.If you intend to describe a new algorithm,… …   Wikipedia

• RAR — Infobox file format name = RAR extension = .rar, .rev, formerly .r00, .r01, etc. mime = application/x rar compressedapplication/octet stream owner = Eugene Roshal creatorcode = genre = Archive format containerfor = containedby = extendedfrom =… …   Wikipedia

• Potentially visible set — Potentially Visible Sets are used to accelerate the rendering of 3D environments. This is a form of occlusion culling, whereby a candidate set of potentially visible polygons are pre computed, then indexed at run time in order to quickly obtain… …   Wikipedia

• Secure voice — (alternatively secure speech or ciphony) is a term in cryptography for the encryption of voice communication over a range of communication types such as radio, telephone or IP. Contents 1 History 2 Analog Secure Voice technologies 3 Di …   Wikipedia

• Mixed-excitation linear prediction — (MELP) is a United States Department of Defense speech coding standard used mainly in military applications and satellite communications, secure voice, and secure radio devices. Its standardization and later development was led and supported by… …   Wikipedia

• Nearest neighbor search — (NNS), also known as proximity search, similarity search or closest point search, is an optimization problem for finding closest points in metric spaces. The problem is: given a set S of points in a metric space M and a query point… …   Wikipedia

• PAQ — ist ein Kompressionsprogramm zur komprimierten Archivierung von Dateien, das im Vergleich zu anderen Formaten meist die höchste Datenkompressionsrate aufweist, auf Kosten sehr langer Laufzeiten und hohem Speicherverbrauch. PAQ ist ein… …   Deutsch Wikipedia

• SHA hash functions — The SHA hash functions are a set of cryptographic hash functions designed by the National Security Agency (NSA) and published by the NIST as a U.S. Federal Information Processing Standard. SHA stands for Secure Hash Algorithm. The five algorithms …   Wikipedia

• Secure Communications Interoperability Protocol — SCIP is the U.S. Government s standard for secure voice and data communication. The acronym stands for Secure Communications Interoperability Protocol and was adopted to replace the FNBDT (Future Narrowband Digital Terminal) title in 2004. SCIP… …   Wikipedia