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Inventor:

郑明魁 (郑明魁.) [1] (Scholars:郑明魁) | 苏凯雄 (苏凯雄.) [2] (Scholars:苏凯雄) | 杨秀芝 (杨秀芝.) [3] (Scholars:杨秀芝) | 兰诚栋 (兰诚栋.) [4] (Scholars:兰诚栋)

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incoPat

Abstract:

本发明涉及一种基于HEVC视频编码标准的码率控制模型更新方法,针对不同视频序列特征,按如下方法自适应调整码率控制模型的α参数和β参数:码率控制模型α参数的更新方法:;码率控制模型β参数的更新方法:;其中αnew为更新后的α参数,βnew为更新后的β参数,λold为基于目标码率R获得的原λ值,Rreal为编码后的实际码率,D(Rreal)表示基于实际码率编码后的视频失真。该方法能够精确更新模型参数,从而获得更精确的码率控制效果。

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Patent Info :

Type: 发明授权

Patent No.: CN201410158562.9

Filing Date: 2014/4/21

Publication Date: 2017/1/25

Pub. No.: CN103945222B

公开国别: CN

Applicants: 福州大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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