Local dimming boost up using depth map

Accélération d'atténuation locale utilisant une carte de profondeurs

Lokale Dimmerverstärkung unter Verwendung von Tiefenkarten

Abstract

Present invention discloses a local dimming boost up method and system for liquid crystal displays comprising extracting a depth map of an image which is displayed on the display; calculating a histogram of said depth map for each locally controllable backlight regions of said display and adjusting backlight driving values of said backlight regions in accordance with said calculated histogram. Using the method and system of the present invention, a true image perception is obtained in displays with local dimming capability.

Claims

Description

Topics

Download Full PDF Version (Non-Commercial Use)

Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    US-2010066752-A1March 18, 2010Victor Company Of Japan, LimitedLiquid crystal display device and image display method thereof
    WO-2010039419-A1April 08, 2010Dolby Laboratories Licensing CorporationImproved power management for modulated backlights

NO-Patent Citations (1)

    Title
    ROSIN ET AL: "A simple method for detecting salient regions", PATTERN RECOGNITION, ELSEVIER, GB, vol. 42, no. 11, 1 November 2009 (2009-11-01), pages 2363 - 2371, XP026250835, ISSN: 0031-3203, [retrieved on 20090509], DOI: 10.1016/J.PATCOG.2009.04.021

Cited By (0)

    Publication numberPublication dateAssigneeTitle