Improvement of low gray-level linearity using perceived luminance of human visual system in PDP-TV

Sung Jin Kang, Hyun Chul Do, Byung Gwon Cho, Sung Il Chien, Heung Sik Tae

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

One of the factors deteriorating image quality of PDP-TV is the low gray-level contour occurring mainly due to inverse gamma correction. From the viewpoint of human visual perception, the low gray-level contour becomes more serious because of the nonlinear output luminance of PDP at low gray-levels. In this paper, a modified inverse gamma correction method and a gray-level linearization technique considering human visual perception are proposed for enhancing image quality at low gray-levels.

Original languageEnglish
Pages (from-to)204-209
Number of pages6
JournalIEEE Transactions on Consumer Electronics
Volume51
Issue number1
DOIs
StatePublished - Feb 2005

Keywords

  • Inverse gamma correction
  • Low gray-level linearity
  • Plasma display panel

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