Measurement of contrast reduction and its application to LCD backlight control

Jae Woo Kim, Kyu Ho Lee, Jin Gon Bae, Jong-Ok Kim, Hyung Geun Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper we propose a novel method to measure the contrast reduction in a digital image, and its application on LCD backlight dimming. The contribution of this paper is twofold. First, we propose a new key concept, burstiness, in measuring the contrast reduction. Second, there has not been a backlight control method that quantifies the image quality degradation in terms of contrast reduction, and optimizes it with power consumption. By considering the spatial distribution characteristic of contrast reduced pixels, the proposed method effectively captures the contrast reduction. This leads to a gain in the power saving in the backlight dimming while visual perception quality is maintained.

Original languageEnglish
Title of host publication2015 IEEE 4th Global Conference on Consumer Electronics, GCCE 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages294-297
Number of pages4
ISBN (Print)9781479987511
DOIs
Publication statusPublished - 2016 Feb 3
Event4th IEEE Global Conference on Consumer Electronics, GCCE 2015 - Osaka, Japan
Duration: 2015 Oct 272015 Oct 30

Other

Other4th IEEE Global Conference on Consumer Electronics, GCCE 2015
CountryJapan
CityOsaka
Period15/10/2715/10/30

Keywords

  • burstiness
  • contrast reduction measurement
  • LCD backlight dimming
  • low power

ASJC Scopus subject areas

  • Instrumentation
  • Biotechnology
  • Computer Networks and Communications
  • Signal Processing
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Measurement of contrast reduction and its application to LCD backlight control'. Together they form a unique fingerprint.

  • Cite this

    Kim, J. W., Lee, K. H., Bae, J. G., Kim, J-O., & Kim, H. G. (2016). Measurement of contrast reduction and its application to LCD backlight control. In 2015 IEEE 4th Global Conference on Consumer Electronics, GCCE 2015 (pp. 294-297). [7398586] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/GCCE.2015.7398586