H.264 SVC简介
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2012-07-29
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H.264 / MPEG-4 SVC
Scalable Video Coding
for Heterogeneous
Media Delivery
What is H.264 / MPEG-4 SVC
Scalable Video Coding (SVC) will be an extension of the
H.264 / MPEG-4 Advanced Video Coding (AVC) standard
Starting point of SVC extension was designed and
proposed by Fraunhofer Institute HHI
Standardization of SVC extension is still under way
Why Scalability
To serve different needs of different users with different displays
connected through different network links by using a single bit stream,
i.e., a single coded version of the video content:
Spatial scalability: Choose appropriate resolution
Temporal scalability: Choose convenient frame rate
Quality scalability: Choose suitable data rate
by removing parts of the bit stream
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