59.3: Temporal Filtering In LCD Backlight Modulation

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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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2008-05, Vol.39 (1), p.903-906
Main Authors: Kerofsky, Louis, Zhou, Jin
Format: Article
Language:English
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Description
Summary: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.
ISSN:0097-966X
2168-0159
DOI:10.1889/1.3069821