Model-based early termination scheme for H.264/AVC inter prediction

Inter prediction is the most power-consumed component in H.264/AVC encoder. For the power-aware design, it is necessary to reduce the power consumption by using fast inter prediction techniques. In this paper, a system-level power-aware algorithm based on the early termination scheme of H.264/AVC in...

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Bibliographic Details
Main Authors: Lien-Fei Chen, Shin-Ping Yang, Yeong-Kang Lai
Format: Conference Proceeding
Language:English
Subjects:
Automatic voltage control
Computer architecture
Containers
Early Termination
Energy consumption
Engines
H.264/AVC
Motion estimation
Power system modeling
Predictive models
Skip Mode
Very large scale integration
Video sequences
VLSI
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Summary:Inter prediction is the most power-consumed component in H.264/AVC encoder. For the power-aware design, it is necessary to reduce the power consumption by using fast inter prediction techniques. In this paper, a system-level power-aware algorithm based on the early termination scheme of H.264/AVC inter prediction is proposed. The proposed early termination scheme for H.264 motion estimation is based on the statistical modeling of the motion compensated residual data. We develop a power-aware adaptive mechanism with multiple thresholds derived from the statistical model to early terminate the motion estimation (ME). According to the experimental results, our early termination scheme for H.264/AVC inter prediction not only preserves fine RD performance but also eliminates the unnecessary operation in both IME stage and FME stage to realize the power-aware H.264 encoder system.
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.2009.4959654