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发明名称
影像的传输中的高品质且省时间的错误隐藏技术
摘要
一种空间错误隐藏方法,系利用与该缺失图块相邻的复数个正确图块,经适当分类而选取适当的空间错误隐藏演算法,进行内插像素补偿或匹配图块复制,藉以获得该缺失图块的影像资料,进而隐藏该缺失图块对整个图框影像的影响。该空间错误隐藏演算法包括双线性内插法、方向性内插法、多方向内插法以及最佳邻近匹配法。该空间错误隐藏方法进一步包括一快速运算方法,利用原有图框的编码资料中与该缺失图块相关的影像方向性资料,直接进行适当的空间错误隐藏处理,以节省判断运算的时间,加快处理速度。
申请公布号
TWI359617
申请公布日期
2012.03.01
申请号
TW097125080
申请日期
2008.07.03
申请人
国立台湾大学 台北市大安区罗斯福路4段1号
发明人
郭斯彦;黄士嘉
分类号
H04N7/68
主分类号
H04N7/68
代理机构
代理人
洪尧顺 台北市内湖区行爱路176号3楼
主权项
地址
台北市大安区罗斯福路4段1号
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