发明申请
US20070104380A1 Method and apparatus for representing image granularity by one or more parameters
有权
用于通过一个或多个参数表示图像粒度的方法和装置
- 专利标题： Method and apparatus for representing image granularity by one or more parameters
- 专利标题（中）： 用于通过一个或多个参数表示图像粒度的方法和装置
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申请号： US10556833申请日： 2004-03-30
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公开(公告)号： US20070104380A1公开(公告)日： 2007-05-10
- 发明人: Cristina Gomila , Alexander Kobilansky
- 申请人： Cristina Gomila , Alexander Kobilansky
- 国际申请： PCT/US04/09491 WO 20040330
- 主分类号： G06K9/36
- IPC分类号： G06K9/36 ; G06K9/40
摘要：
To characterize film grain, a Film Grain Characterizer (23) receives an incoming information stream (12) and a filtered information stream (24) from which the film grain has been removed. From these streams, the Film Grain Characterizer (23) outputs a message that contains an identity of a model for simulating grain, as well at least one of a set of several parameters, including correlation parameters, intensity-independent parameters and intensity-dependent parameters used by the identified model. An encoder (26, 13) encodes the film grain information for subsequent transmission.