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Title: A constrained error diffusion method to shape quantization noise in backlight dimming
Authors: Xu, ZX
Chan, YH 
Issue Date: 2014
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: 2014 19th International Conference on Digital Signal Processing : Hong Kong, 20-23 August 2014, 6900800, p. 909-913 How to cite?
Abstract: Backlight dimming is a powerful method to reduce power consumption of LED-LC displays. However, there remains a problem to preserve perceived quality while reducing backlight luminance. Distortion of backlight dimming can be classified to three types: clipping, leakage and quantization. The former two distortions have been widely discussed in the literature, but the quantization noise is generally ignored. This paper presents a LC compensation framework which exploits error diffusion to shape the quantization noise. Simulation results show that the proposed approach is efficient to achieve the goal.
ISBN: 9781479946129
DOI: 10.1109/ICDSP.2014.6900800
Appears in Collections:Conference Paper

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