Robust rate control mechanism against scene change for H.264/AVC

Rate control is critical to time sensitive video applications over networks. However, the H.264/AVC standard takes no particularly response to the scene change which causes transmission quality deterioration significantly. In this work, we propose a robust mechanism of the rate control that can quic...

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Bibliographic Details
Main Authors: Jiunn-Tsair Fang, Chen-Cheng Chan, Shin-Ru Hsu, Pao-Chi Chang
Format: Conference Proceeding
Language:English
Subjects:
Bit rate
Consumer electronics
Estimation
PSNR
Simulation
Streaming media
Video coding
Online Access:Request full text
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Description
Summary:Rate control is critical to time sensitive video applications over networks. However, the H.264/AVC standard takes no particularly response to the scene change which causes transmission quality deterioration significantly. In this work, we propose a robust mechanism of the rate control that can quickly respond to a scene change. In our proposed mechanism, it first allocates the remaining frames as a transition GOP. Then, according to the buffer fullness, it estimates the target bits so that a QP (quantization parameter) value can be determined. Simulation results show that our proposed method improves the average PSNR (peak signal noise ratio) about 1.1 dB with less buffer size, compared with the performance of JM in version 17.2.
ISSN:0747-668X
2159-1423
DOI:10.1109/ISCE.2013.6570206