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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 10, Iss. 7 — Jul. 1, 2014
  • pp: 568–573

Segmentation-Based Clipped Error Control Algorithm for Global Backlight Dimming

Suk-Ju Kang and Young Hwan Kim

Journal of Display Technology, Vol. 10, Issue 7, pp. 568-573 (2014)


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Abstract

This paper presents a new backlight dimming method that applies segmentation-based clipped error control to liquid crystal displays. Clipped error control is the most important algorithm for power saving during backlight dimming. The proposed segmentation-based clipped error control algorithm considers the exact local distribution of an image using image segmentation, which enhances the image quality compared with existing methods. In addition, a binary search algorithm is applied to the proposed method for reducing the computational complexity. The experimental results showed that the average peak signal-to-noise ratio with the proposed method was up to 11.734 dB higher than those of conventional methods whereas the power consumption increased only slightly.

© 2014 IEEE

Citation
Suk-Ju Kang and Young Hwan Kim, "Segmentation-Based Clipped Error Control Algorithm for Global Backlight Dimming," J. Display Technol. 10, 568-573 (2014)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-10-7-568

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