MPEG 7: Multimedia Content Description Interface

MPEG 7 is formally known as Multimedia Content Description Interface. MPEG 7 is not aimed at a single application. The elements that MPEG 7 standardizes supports broad range of applications.It is a standard for describing the multimedia content data that supports some degree of interpretation of the information meaning, which can be passed onto, or accessed by, a device or a computer code.

The MPEG-7 Standard consists of the following parts:

1. Systems – the tools needed to prepare MPEG-7 descriptions for efficient transport and storage and the terminal architecture.

2. Description Definition Language - the language for defining the syntax of the MPEG-7 Description Tools and for defining new Description Schemes.

3. Visual – the Description Tools dealing with (only) Visual descriptions.

4. Audio – the Description Tools dealing with (only) Audio descriptions.

5. Multimedia Description Schemes - the Description Tools dealing with generic features and multimedia descriptions.

6. Reference Software - a software implementation of relevant parts of the MPEG-7 Standard with normative status.

7. Conformance Testing - guidelines and procedures for testing conformance of MPEG-7 implementations

8. Extraction and use of descriptions – informative material about the extraction and use of some of the Description Tools.

9. Profiles and levels - provides guidelines and standard profiles.

10. Schema Definition - specifies the schema using the Description Definition Language



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