Bitrate reduction using FMO for video streaming over packet networks

Le Thanh Ha; Hye Soo Kim; Chun Su Park; Seung Won Jung; Sung Jea Ko

Bitrate reduction using FMO for video streaming over packet networks

Le Thanh Ha, Hye Soo Kim, Chun Su Park, Seung Won Jung, Sung Jea Ko

Research output: Contribution to journal › Article › peer-review

Abstract

Flexible macroblock ordering (FMO), adopted in the H.264 standard, allows to partition all macroblocks (MBs) in a frame into separate groups of MBs called Slice Groups (SGs). FMO can not only support error-resilience, but also control the size of video packets for different network types. However, it is well-known that the number of bits required for encoding the frame is increased by adopting FMO. In this paper, we propose a novel algorithm that can reduce the bitrate overhead caused by utilizing FMO. In the proposed algorithm, all MBs are grouped in SGs based on the similarity of the transform coefficients. Experimental results show that our algorithm can reduce the bitrate as compared with conventional FMO.

Original language	English
Pages (from-to)	316-318
Number of pages	3
Journal	World Academy of Science, Engineering and Technology
Volume	37
Publication status	Published - 2009 Jan

Keywords

Data Partition
Entropy Coding
Greedy Algorithm
H.264/AVC
Slice Group

ASJC Scopus subject areas

General Engineering

Cite this

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keywords = "Data Partition, Entropy Coding, Greedy Algorithm, H.264/AVC, Slice Group",

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AU - Kim, Hye Soo

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AU - Jung, Seung Won

AU - Ko, Sung Jea

PY - 2009/1

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N2 - Flexible macroblock ordering (FMO), adopted in the H.264 standard, allows to partition all macroblocks (MBs) in a frame into separate groups of MBs called Slice Groups (SGs). FMO can not only support error-resilience, but also control the size of video packets for different network types. However, it is well-known that the number of bits required for encoding the frame is increased by adopting FMO. In this paper, we propose a novel algorithm that can reduce the bitrate overhead caused by utilizing FMO. In the proposed algorithm, all MBs are grouped in SGs based on the similarity of the transform coefficients. Experimental results show that our algorithm can reduce the bitrate as compared with conventional FMO.

AB - Flexible macroblock ordering (FMO), adopted in the H.264 standard, allows to partition all macroblocks (MBs) in a frame into separate groups of MBs called Slice Groups (SGs). FMO can not only support error-resilience, but also control the size of video packets for different network types. However, it is well-known that the number of bits required for encoding the frame is increased by adopting FMO. In this paper, we propose a novel algorithm that can reduce the bitrate overhead caused by utilizing FMO. In the proposed algorithm, all MBs are grouped in SGs based on the similarity of the transform coefficients. Experimental results show that our algorithm can reduce the bitrate as compared with conventional FMO.

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Bitrate reduction using FMO for video streaming over packet networks

Abstract

Keywords

ASJC Scopus subject areas

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