Compression
... susceptibility to compression Gas compression Compression ratio, of a combustion engine Compression (geology) Compression or ... defect in data due to compression Image compression, of digital images Video compression One-way compression function, a ... Compression may refer to: Compression (physics), size reduction due to forces Compression member, a structural element such as ... due to nonlinearity Compression (dance), several techniques Compression (functional analysis) Compression (phonetics), running ...
Cord compression
... may refer to: Spinal cord compression Umbilical cord compression This disambiguation page lists articles ... associated with the title Cord compression. If an internal link led you here, you may wish to change the link to point directly ...
Compression Networks
... is a digital content delivery system developed by TV/COM International that evolved into the current DVB-S ...
Compression belt
... and reduced spinal cord compression stress. Ki-Yeon, Chang; Seung Chul, Chon (April 2012). "The Effect of Abdominal-Compression ... A compression belt is a type of spinal brace worn around the waist and lower back that compresses the abdomen, centers the ... "Effects of the abdominal belt on muscle-generated spinal stability and L4/L5 joint compression force". Ergonomics. 45 (7): 501- ...
Proof compression
Algorithms for compression of sequent calculus proofs include Cut-introduction and Cut-elimination. Algorithms for compression ... A proof compression algorithm will try to create a new DAG with fewer nodes that represents a valid proof of κ {\displaystyle \ ... Compression of Propositional Resolution Proofs via Partial Regularization. 23rd International Conference on Automated Deduction ... In proof theory, an area of mathematical logic, proof compression is the problem of algorithmically compressing formal proofs. ...
Voice compression
... may mean different things: Speech encoding refers to compression for transmission or storage, possibly to an ... This disambiguation page lists articles associated with the title Voice compression. If an internal link led you here, you may ... Time-compressed speech refers to voice compression for immediate playback, without any decompression (so that the final speech ... sounds faster to the listener). Audio level compression refers to a sound recording effect which increases the perceived volume ...
Compression fitting
In small sizes, the compression fitting is composed of an outer compression nut and an inner compression ring or ferrule (in ... Compression of this ferrule also results in deformation of the copper tubing. If a compression type connection needs to be ... Compression fittings work best when tightened once and not disturbed.[contradictory] Some compression connectors may never be ... Larger sizes of compression fitting do not have a single nut to compress the ferrule but a flange with a ring of bolts that ...
Executable compression
Packer YUI compressor Shrinksafe JSMin Disk compression RAM compression Kolmogorov complexity Self-modifying code Self- ... they often achieve better compression ratio than standard data compression facilities such as gzip, zip or bzip2[citation ... by proprietary methods of compression and/or added encryption. Executable compression can be used to prevent direct disassembly ... Executable compression used to be more popular when computers were limited to the storage capacity of floppy disks, which were ...
Compression molding
... was first developed to manufacture composite parts for metal replacement applications, compression molding ... the less flow orientation occurs during the compression stage. Compression molding is also widely used to produce sandwich ... Compression molded water bottles are made from die-cut 3 inch by 6 inch sheets. One sheet is placed below a core and one sheet ... The advantage of compression molding is its ability to mold large, fairly intricate parts. Also, it is one of the lowest cost ...
Compression vest
... may refer to: Compression garments, tight clothes used in sports or for medical purposes Weighted vests for ... in treating children's developmental disorders This disambiguation page lists articles associated with the title Compression ...
Compression theorem
In computational complexity theory, the compression theorem is an important theorem about the complexity of computable ... Zimand, Marius (2004), "Theorem 2.4.3 (Compression theorem)", Computational Complexity: A Quantitative Perspective, North- ...
Wage compression
... (also known as salary compression and pay compression) refers to the empirical regularity that wages for low- ... Companies that experience salary compression are more likely to experience salary compression with less experienced new or ... Wage compression is viewed by some as a reform strategy which should be encouraged because it brings the pay of high level ... As wage compression increases, the gap between low and high income earners minimises, this also means that the pay gap between ...
Lossy compression
Data compression basics, including chapters on lossy compression of images, audio and video. Lossy PNG image compression at the ... In information technology, lossy compression or irreversible compression is the class of data compression methods that uses ... lossless or lossy compression) Cartesian Perceptual Compression, also known as CPC Fractal compression JBIG2 (lossless or lossy ... Data compression Lossless compression Compression artifact Rate-distortion theory List of codecs Lenna Image scaling Seam ...
Lip compression
... may refer to: Roundedness, lip rounding in vowels Labialization, lip rounding in consonants This disambiguation ... page lists articles associated with the title Lip compression. If an internal link led you here, you may wish to change the ...
Entropy compression
The name "entropy compression" was given to this method in a blog posting by Terence Tao and has since been used for it by ... The following algorithm can be shown using entropy compression to find such a solution when r is smaller by a constant factor ... Since the discovery of the entropy compression method, it has also been used to achieve stronger bounds for some problems than ... However, a more direct argument using entropy compression shows that there exists a coloring using only 4(Δ − 1) colors, and ...
Compression Systems
Reciprocating compression was sold to GE Oil and Gas in June 2014. Compression Systems began in 1833 when Charles and Elias ... Reciprocating compression equipment is used throughout the energy industry by gas transmission companies, compression leasing ... Compression Systems (formerly Cooper Compression / Cooper Energy Services / Cooper Turbocompressor / Cooper), one of five ... In 2001, Cooper Energy Services and Cooper Turbocompresor combined to form Cooper Compression, which was later named ...
Adaptive compression
... is a type of data compression which changes compression algorithms based on the type of data being ... "Adaptive compression". PC Magazine Encyclopedia. Archived from the original on 20 October 2007. Retrieved 21 April 2011. v t e ... Data compression, All stub articles, Algorithms and data structures stubs). ...
Natural Compression
... was the first EP by the New Zealand rock band Weta, being released in 1999. The EP received radio attention ... "Weta - Natural Compression (EP)". Top 40 Singles. Retrieved 28 August 2022. v t e (Articles needing additional references from ...
Snappy (compression)
It does not aim for maximum compression, or compatibility with any other compression library; instead, it aims for very high ... Compression speed is 250 MB/s and decompression speed is 500 MB/s using a single core of a circa 2011 "Westmere" 2.26 GHz Core ... Unlike compression methods such as gzip and bzip2, there is no entropy encoding used to pack alphabet into the bit stream. ... The compression ratio is 20-100% lower than gzip. Snappy is widely used in Google projects like Bigtable, MapReduce and in ...
Image compression
... is a type of data compression applied to digital images, to reduce their cost for storage or transmission. ... Some high compression algorithms require high processing power. The quality of a compression method often is measured by the ... Image compression may be lossy or lossless. Lossless compression is preferred for archival purposes and often for medical ... Lossy compression methods, especially when used at low bit rates, introduce compression artifacts. Lossy methods are especially ...
Bandwidth compression
... is a core feature of WAN Optimization appliances to improve bandwidth efficiency. Federal Standard 1037C ... Bandwidth compression implies a reduction in normal bandwidth of an information-carrying signal without reducing the ... This can be accomplished with lossless data compression techniques. For more information read the Increasing speeds section in ... In telecommunication, the term bandwidth compression has the following meanings: The reduction of the bandwidth needed to ...
Compression virus
A compression virus is an example of a benevolent computer virus, invented by Fred Cohen. It searches for an uninfected ... The virus can be described in pseudo code program compression-virus:= {01234567; subroutine infect-executable:= {loop:file = ... Cruncher is an example of a compression virus, a strain of which - Cruncher.2092 - is described by McAfee as memory-resident ... get-random-executable-file; if first-line-of-file = 01234567 then goto loop; compress file; prepend compression-virus to file ...
Space compression
... may refer to: data compression space folding (disambiguation) time-space compression This disambiguation page ... lists articles associated with the title Space compression. If an internal link led you here, you may wish to change the link ...
Compression (physics)
... hydrostatic compression, or bulk compression. This is the only type of static compression that liquids and gases can bear. It ... Compression of solids has many implications in materials science, physics and structural engineering, for compression yields ... Buckling Container compression test Compression member Compressive strength Longitudinal wave P-wave Rarefaction Strength of ... the amount of compression generally depends on the direction x {\displaystyle x} , and the material may be under compression ...
Compression lift
The Boeing X-51 (Waverider) also uses compression lift. Index of aviation articles Compression Lift The Bird is on the Wing: ... In aerodynamics, compression lift refers to the increased pressure under an aircraft that uses shock waves generated by its own ... The basic concept of compression lift is well known; "planing" boats reduce drag by "surfing" on their own bow wave in exactly ... Higher speed designs using compression lift, waveriders, remain an interesting possibility for hypersonic vehicle designs, ...
Compression release
... the addition of a compression release brake on two-strokes essentially mimicked the four-stroke compression braking effect. ... A compression release mechanism works to ease the starting of internal combustion engines by allowing them to spin up to ... Small diesel engines may be fitted with compression release valves if they are to be started by hand cranking. US patent ... Since two-stroke engines normally lack the compression braking effect of four-stroke engines when the throttle is shut off, ...
Chest compression
... may refer to: The prevention of the expansion of the chest, see Compressive asphyxia A technique used during ... or for the treatment of choking This disambiguation page lists articles associated with the title Chest compression. If an ...
Solid compression
In computing, solid compression is a method for data compression of multiple files, wherein all the uncompressed files are ... The order matters (these operations do not commute), and the latter is solid compression. In Unix, compression and archiving ... Solid compression allows for much better compression rates when all the files are similar, which is often the case if they are ... By contrast, the ZIP format is not solid because it stores separately compressed files (though solid compression can be ...
Gain compression
This is a typical effect of gain compression. Power compression is a form of gain compression that takes place in loudspeaker ... With gain compression, the opposite is true, its output is constant. In this respect intentional compression serves less of an ... In intentional compression (sometimes called automatic gain control or audio level compression) as used in devices called ' ... Gain compression is relevant in any system with a wide dynamic range, such as audio or RF. It is more common in tube circuits ...
Gravitational compression
... is a phenomenon in which gravity, acting on the mass of an object, compresses it, reducing its size ... No further gravitational compression occurs until the hydrogen is nearly used up, reducing the thermal pressure of the fusion ... At the end of the Sun's life, gravitational compression will turn it into a white dwarf. At the other end of the scale are ... At the center of a planet or star, gravitational compression produces heat by the Kelvin-Helmholtz mechanism. This is the ...