发明申请
US20070269125A1 Bit-Accurate Film Grain Simulation Method Based On Pre-Computed Transformed Coefficients
有权
基于预先计算的变换系数的位精确的电影粒度模拟方法
- 专利标题： Bit-Accurate Film Grain Simulation Method Based On Pre-Computed Transformed Coefficients
- 专利标题（中）： 基于预先计算的变换系数的位精确的电影粒度模拟方法
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申请号： US11667629申请日： 2005-10-26
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公开(公告)号： US20070269125A1公开(公告)日： 2007-11-22
- 发明人: Joan Llach , Cristina Gomila , Jeffrey Cooper
- 申请人： Joan Llach , Cristina Gomila , Jeffrey Cooper
- 国际申请： PCT/US05/38802 WO 20051026
- 主分类号： G06K9/40
- IPC分类号： G06K9/40 ; G06T9/00
摘要：
Bit-accurate creation of a film grain pattern occurs by first establishing a set of bit-accurate transformed coefficients. The set of bit-accurate transformed coefficients undergo frequency filtering and a subsequent bit-accurate inverse transformation to yield the film grain pattern.