Conversion of a video signal for driving a liquid crystal...

Details Conversion of a video signal for driving a liquid crystal... Conversion of a video signal for driving a liquid crystal...

G - Physics

09

G

G09G 3/36 (2006.01) G09G 3/20 (2006.01) H04N 5/205 (2006.01) H04N 5/66 (2006.01)

Patent

CA 2327429

Method and apparatus for the conversion or generation of a video signal intended to be displayed on an image display with different luminance response times for rise and decay. The conversion or generation of the video signal is so that motion artefacts which are caused by the difference in luminance response times for rise and decay such as large area luminance jumps, large-area flicker and faulty temporary large-area luminance are fundamentally cancelled in the displayed image.

L'invention concerne un procédé et un dispositif de conversion ou de production d'un signal vidéo conçu pour être affiché sur un affichage d'images présentant des temps de réponse de luminance différents, pour la montée et le déclin. La conversion ou production du signal vidéo est telle que les artéfacts de mouvement, provoqués par la différence dans les temps de réponse de luminance, pour la montée et le déclin, tels que des sauts de luminance grande surface, un scintillement grande surface ou une luminance grande surface défaillante temporairement, sont complètement annulés dans l'image affichée.

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