ISO/IEC 15948:2004

Current Revision

Information technology - Computer graphics and image processing - Portable Network Graphics (PNG): Functional specification

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ISO/IEC 15948:2004

Name: ISO/IEC 15948:2004 – Information technology - Computer graphics and image processing - Portable Network Graphics (PNG): Functional specification
Brand: International Organization for Standardization
SKU: ISO/IEC 15948:2004
Price: 257.95 USD
Availability: InStock

Information technology - Computer graphics and image processing - Portable Network Graphics (PNG): Functional specification

PUBLISH DATE 2004

ISO/IEC 15948:2004

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 heterogeneous 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.