Patent · US Active

Film grain simulation method

US8447127B2 · kind B2 · utility

3Cited by

75References

15Claims

0Family size

Assignee

Thomson Licensing · FR

Inventors

Cristina Gomila · Princeton, US
Joan Llach · Princeton, US
Jeffrey Allen Cooper · Tooele, US

Key dates

Filing date	Oct 20, 2009
Grant date	May 21, 2013
Priority date	—
Expiry date	Oct 20, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06T2207/20204
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Briefly, in accordance with a preferred embodiment of the present principles, simulation of a block of film grain for addition to a block of an image occurs by first establishing at least one image parameter in accordance with at least one attribute of the block. Thereafter, a block of film grain is established in accordance with the image parameter. Deblocking filtering can be applied to the film grain block.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.