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- W1979033766 abstract "In this paper, we analyze a rate control formula, which is Laplacian based model, then propose a content based equation for an enhanced JVT-G012 algorithm. Based on the simple and fast characteristics of the JVT-G012 algorithm, which is very suitable for real time embedded systems, we integrate the equation into the JVT-G012 algorithm to create an efficient quantizer. However, active local motion will produce error distortion and influence the determination of the quantization parameter. To solve this problem, a modified histogram based detector is proposed. Combining this detector with the equation refines the predicted quantization parameter more precisely. It is shown both theoretically and experimentally that a well-designed quantizer not only improves video quality, but also maintains the designed bit rate budget. In addition, our algorithm can achieve superior results to existing algorithms-up to 0.72 dB without large computation loading." @default.
- W1979033766 created "2016-06-24" @default.
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- W1979033766 date "2011-06-01" @default.
- W1979033766 modified "2023-10-14" @default.
- W1979033766 title "An adaptive content based H.264/AVC rate control in low bit rate video" @default.
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- W1979033766 doi "https://doi.org/10.1016/j.aeue.2010.07.010" @default.
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