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2020-10-30T06:24:45Z

Point "PPM" away from disambig page

Effect2: A very typical page.

2020-10-30T04:33:44Z

A very typical page.

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{{FormatInfo
|formattype=electronic
|subcat=Graphics
|released=2006<ref name="changelog">EPSLILON source (0.9.2) → ChangeLog</ref>
|extensions={{ext|psi}}
}}

'''EPSILON''' (in all capitals, though this does not appear to stand for anything) is an raster image compression format and program created by Alexander Simakov, and based on the Asad Islam and William Pearlman's SPECK algorithm.<ref name="manpage">EPSLILON source (0.9.2) → man → epsilon.1 (Unix man page in [[Troff]] format)</ref> It is composed of a number of independent blocks, each encoding a region of the original image, concatenated together, which means that images can be encoded in parallel.<ref name="manpage" /> The EPSILON program can only convert to and from [[PPM]] and [[PGM]].<ref name="manpage" />

EPSILON apparently did its own encryption before version 0.3.1.<ref name="changelog" />

As of 2020, the last release was in 2011.<ref>https://sourceforge.net/projects/epsilon-project/files/epsilon/</ref>

== Identification ==
EPSILON blocks, and therefore EPSILON files, will begin with {{magic|1=type=}}.

== Extensions ==
EPSILON uses the extension ".psi", for "ePSIlon".<ref name="manpage" />

== Links ==
* [https://sourceforge.net/projects/epsilon-project/ SourceForge page]
* [https://web.archive.org/web/20180910202252/http://entropyware.info/ Author's homepage] (Russian)
* [http://www.gaia-gis.it/raster_benchmark/ GIS Raster benchmark]

== References ==
<references />

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 }}
-'''EPSILON''' (in all capitals, though this does not appear to stand for anything) is an raster image compression format and program created by Alexander Simakov, and based on the Asad Islam and William Pearlman's SPECK algorithm.<ref name="manpage">EPSLILON source (0.9.2) → man → epsilon.1 (Unix man page in [[Troff]] format)</ref> It is composed of a number of independent blocks, each encoding a region of the original image, concatenated together, which means that images can be encoded in parallel.<ref name="manpage" /> The EPSILON program can only convert to and from [[PPM]] and [[PGM]].<ref name="manpage" />
+'''EPSILON''' (in all capitals, though this does not appear to stand for anything) is an raster image compression format and program created by Alexander Simakov, and based on the Asad Islam and William Pearlman's SPECK algorithm.<ref name="manpage">EPSLILON source (0.9.2) → man → epsilon.1 (Unix man page in [[Troff]] format)</ref> It is composed of a number of independent blocks, each encoding a region of the original image, concatenated together, which means that images can be encoded in parallel.<ref name="manpage" /> The EPSILON program can only convert to and from [[Netpbm formats|PPM]] and [[PGM]].<ref name="manpage" />
 EPSILON apparently did its own encryption before version 0.3.1.<ref name="changelog" />

EPSILON - Revision history

Effect2: Point "PPM" away from disambig page

Effect2: A very typical page.