Invention Application
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
- Patent Title: Bit-Accurate Film Grain Simulation Method Based On Pre-Computed Transformed Coefficients
- Patent Title (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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Application No.: US11667629Application Date: 2005-10-26
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Publication No.: US20070269125A1Publication Date: 2007-11-22
- Inventor: Joan Llach , Cristina Gomila , Jeffrey Cooper
- Applicant: Joan Llach , Cristina Gomila , Jeffrey Cooper
- International Application: PCT/US05/38802 WO 20051026
- Main IPC: G06K9/40
- IPC: G06K9/40 ; G06T9/00
Abstract:
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.
Public/Granted literature
- US09098916B2 Bit-accurate film grain simulation method based on pre-computed transformed coefficients Public/Granted day:2015-08-04
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