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发明名称
高级视频编码帧内预测的系统和方法
摘要
本发明揭示了一种在视频信号编码协定中有效地为兴趣当前块确定预测块的方法和系统。在一个较佳实施例中,其通过确定帧内4×4预测和16×16预测模式之间是否有相关性而实现。如果对16×16预测模式的相关性低于预先确定的阈值,那麽利用16×16帧内亮度预测的附加预测块不被计算。如果对16×16预测模式的相关性高于该预先确定的阈值,那麽利用16×16帧内亮度预测计算该附加预测块。然后可使用价值函数确定每一个预测块的预测位成本,并选择具有最低成本的预测块作为兴趣当前块的预测块。
申请公布号
TW200611574
申请公布日期
2006.04.01
申请号
TW094118550
申请日期
2005.06.06
申请人
博通公司
发明人
戴维.德雷泽纳
分类号
H04N7/24
主分类号
H04N7/24
代理机构
代理人
潘海涛
主权项
地址
美国
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