ISO/IEC 15948:2004
Current
The latest, up-to-date edition.
Information technology Computer graphics and image processing Portable Network Graphics (PNG): Functional specification
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English
03-03-2004
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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Standard
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International Organization for Standardization
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Current
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Standards | Relationship |
INCITS/ISO/IEC 15948 : 2009(R2014) | Identical |
AS ISO/IEC 15948:2015 | Identical |
NEN ISO/IEC 15948 : 2004 | Identical |
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IEC 61996-2:2007 | Maritime navigation and radiocommunication equipment and systems - Shipborne voyage data recorder (VDR) - Part 2: Simplified voyage data recorder (S-VDR) - Performance requirements, methods of testing and required test results |
CEN ISO/TS 18234-3:2013 | INTELLIGENT TRANSPORT SYSTEMS - TRAFFIC AND TRAVEL INFORMATION VIA TRANSPORT PROTOCOL EXPERTS GROUP, GENERATION 1 (TPEG1) BINARY DATA FORMAT - PART 3: SERVICE AND NETWORK INFORMATION (TPEG1-SNI) (ISO/TS 18234-3:2013) |
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ISO 639:1988 | Code for the representation of names of languages |
IEC 61966-2-1:1999 | Multimedia systems and equipment - Colour measurement and management - Part 2-1: Colour management - Default RGB colour space - sRGB |
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