Technique for simulating film grain on encoded video

Details Technique for simulating film grain on encoded video Technique for simulating film grain on encoded video

2011-03-01

2011-03-01

Ishrat, Sherali (Department: 2624)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C382S284000

Reexamination Certificate

active

07899113

ABSTRACT:
Simulating film grain in an encoded image occurs by extracting the film grain and then characterizing the film grain for encoding in a video stream to enable the film grain restoration upon decoding. Typically, the film grain is characterized based either on the type of film, or by using a particular model. In practice, the film grain particulars are transmitted as parallel information to the video coded stream, typically as a film grain Supplemental Enhancement Information (SEI) message when using the ITU T H.264 video coding standard.

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