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59.3: Temporal Filtering In LCD Backlight Modulation
Author(s) -
Kerofsky Louis,
Zhou Jin
Publication year - 2008
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.3069821
Subject(s) - backlight , liquid crystal display , signal (programming language) , computer science , detector , modulation (music) , computer vision , artificial intelligence , physics , acoustics , telecommunications , programming language , operating system
Temporal drift in black level can result from LCD backlight modulation. Temporal filtering the backlight signal is used to remove visible black level drift. A scene cut detector is used to disable temporal filtering of the backlight signal across scene cuts to preserve backlight responsiveness.

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