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Journal of Display Technology

Journal of Display Technology


  • Vol. 4, Iss. 4 — Dec. 1, 2008
  • pp: 391–397

Minimum-Error Splitting Algorithm for a Dual Layer LCD Display—Part II: Implementation and Results

Gabriele Guarnieri, Luigi Albani, and Giovanni Ramponi

Journal of Display Technology, Vol. 4, Issue 4, pp. 391-397 (2008)

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A dual layer liquid crystal display (LCD) is able to achieve a high dynamic range by stacking two liquid crystal panels one on top of the other over an enhanced backlight unit. However, the finite distance between the two panels inevitably introduces a parallax error when the display is observed off-axis, and the dynamic range limitations of the individual panels introduce a reconstruction error near sharp edges in the input image. In Part I, we have formulated the image splitting as a constrained optimization problem in which a joint minimization of the parallax error and the visibility of the reconstruction error is performed.In Part II, we describe one possible numerical method which solves the optimization problem at a low computational cost. We also describe in more detail the characteristics of the prototype display which has been built by FIMI-Philips. We finally present some results and an evaluation of the errors introduced by the proposed splitting algorithm.

© 2008 IEEE

Gabriele Guarnieri, Luigi Albani, and Giovanni Ramponi, "Minimum-Error Splitting Algorithm for a Dual Layer LCD Display—Part II: Implementation and Results," J. Display Technol. 4, 391-397 (2008)

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