DDEX Data Dictionary , 2010-06-18

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ImageCodec

A supporting term for echo:ExtensionsMessage, erns:NewReleaseMessage, ernm:NewReleaseMessage, echo:ReleaseAvailabilityMessage, and echo:ReleaseStatusInformationMessage.

An algorithm to compress and uncompress an Image Resource for storage and/or transmission.

Relationships
Parents	Codec	An algorithm to compress and uncompress a Resource for storage and/or transmission.
Children	GIF	Grafics Interchange Format as specified by W3C.
	JPEG	An ImageCodec defined by the Joint Photographic Expert Group and specified in ISO/IEC 10918.
	JPEG2000	An ImageCodec defined by the Joint Photographic Expert Group and specified in ISO/IEC 15444.
	PNG	Portable Network Graphics, a bitmapped image format that employs lossless data compression, as specified in ISO/IEC 15948:2003.
	TextCodec	An algorithm to compress and uncompress a textual Resource for storage and/or transmission.
	TIFF	Tagged Image File Format as specified by Adobe.

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