Information Technology --- Computer Graphics and Image Processing --- Portable Network Graphics (PNG): Functional specification. International Organization for Standardization ISO/IEC 15948:2004, March, 2004.
abstract   bibtex   
ISO/IEC 15948:2004 specifies a datastream and an associated file format, Portable Network Graphics (PNG, pronounced "ping"), for a lossless, portable, compressed individual computer graphics image transmitted across the Internet. Indexed-colour, greyscale, and truecolour images are supported, with optional transparency. Sample depths range from 1 to 16 bits. PNG is fully streamable with a progressive display option. It is robust, providing both full file integrity checking and simple detection of common transmission errors. PNG can store gamma and chromaticity data as well as a full ICC colour profile for accurate colour matching on heterogenous platforms. ISO/IEC 15948:2004 defines the Internet Media type "image/png". The datastream and associated file format have value outside of the main design goal.
@misc{ iso15948,
  author = {{International Organization for Standardization}},
  title = {Information Technology --- Computer Graphics and Image Processing --- Portable Network Graphics (PNG): Functional specification},
  howpublished = {ISO/IEC 15948:2004},
  month = {March},
  year = {2004},
  topic = {png[1]},
  updates = {png},
  uri = {http://www.iso.org/iso/en/CatalogueDetailPage.CatalogueDetail?CSNUMBER=29581},
  abstract = {ISO/IEC 15948:2004 specifies a datastream and an associated file format, Portable Network Graphics (PNG, pronounced "ping"), for a lossless, portable, compressed individual computer graphics image transmitted across the Internet. Indexed-colour, greyscale, and truecolour images are supported, with optional transparency. Sample depths range from 1 to 16 bits. PNG is fully streamable with a progressive display option. It is robust, providing both full file integrity checking and simple detection of common transmission errors. PNG can store gamma and chromaticity data as well as a full ICC colour profile for accurate colour matching on heterogenous platforms. ISO/IEC 15948:2004 defines the Internet Media type "image/png". The datastream and associated file format have value outside of the main design goal.}
}

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