Motion Picture Expert Group, established in 1990 to
create standards for delivering audio and video data
MPEG is a multimedia standard with specifications
for coding, compression and transmission of audio,
video and data streams.
Video: describes compression of frames.
Audio: describes compression of audio frames
MPEG-7 is called “Multimedia Content
MPEG-7 is a standardized description of various
types of multimedia information.
Allows fast and efficient searching
It includes MPEG-1, MPEG-2 and MPEG-4,MPEG -7 etc.
Basic components of MPEG are:
Transport streams s
MPEG7 PARTS AND FUNCTIONALITIES
The MPEG-7 Standard consists of the following parts:
Description Definition Language
Multimedia Description Schemes
Profiles and levels
NEED of MPEG 7
Large amount of audiovisual information is available
The value of information often depends on how easy it
can be found, retrieved, accessed, filtered and
MPEG-7 is used for quick and efficient searches and
filters various types of multimedia Data.
Future goals oriented towards increasing ease of access
to media information (similar to Google for text based
Address a wide variety of media types including
It will operate in both real-time and non real-time
“Real-time environment" -description is generated
at the same time as the content is being captured