Abstract

This paper presents a viewing distance-aware method for backlight dimming of liquid crystal displays. Based on a fast selection of the area of critical image distortion, the proposed algorithm determines a clipping point at which the resulting distortion remains acceptable for a given viewing distance, even as backlighting-and hence, power consumption-is minimized. Experiments using a variety of HD images demonstrate the effectiveness of proposed method, as provides higher image quality at shorter viewing distances and higher power savings at longer viewing distances, regardless of the nature of the image.

© 2014 IEEE

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