Abstract

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

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  1. G. Guarnieri, L. Albani, G. Ramponi, "Minimum-error splitting algorithm for a dual layer LCD display—Part I: Background and theory," J. Display Technol. 4, (2008).
  2. National Electrical Manufacturers Association“Digital imaging and communications in medicine (DICOM). Part 14: Grayscale standard display function,” (2007).
  3. H. M. Visser, J. J. W. M. Rosink, N. Raman, R. Rajae-Joordens, "Invited paper: Tuning LCD displays to medical applications," EuroDisplay 2005 74-77 (2005).
  4. G. Guarnieri, L. Albani, G. Ramponi, "Image splitting techniques for a dual layer high dynamic range LCD display," Proc. SPIE Med. Imag. 2008: Image Perception, Observer Performance, and Technology Assessment (2008) pp. 69170M.
  5. TCO Development“TCO'03 Displays—Flat Panel Displays, Ver. 3.0,” (2005).
  6. D. P. Bertsekas, Nonlinear Programming (Athena Scientific, 1999).
  7. Y. Saad, Iterative Methods for Sparse Linear Systems (SIAM, 2003).
  8. W. Hackbusch, Multigrid Methods and Applications (Springer, 1985).
  9. P. G. J. Barten, Contrast Sensitivity of the Human Eye and Its Effects on Image Quality (SPIE Optical Engineering Press, 1999).
  10. D. W. Peaceman, H. H. Rachford Jr., "The numerical solution of parabolic and elliptic differential equations," J. SIAM 3, 28-41 (1955).
  11. R. Mantiuk, K. Myszkowski, H.-P. Seidel, "Visible difference predicator for high dynamic range images," Proc. IEEE Int. Conf. on Syst., Man and Cybern. (2004) pp. 2763-2769.

2008 (1)

G. Guarnieri, L. Albani, G. Ramponi, "Minimum-error splitting algorithm for a dual layer LCD display—Part I: Background and theory," J. Display Technol. 4, (2008).

2005 (1)

H. M. Visser, J. J. W. M. Rosink, N. Raman, R. Rajae-Joordens, "Invited paper: Tuning LCD displays to medical applications," EuroDisplay 2005 74-77 (2005).

1955 (1)

D. W. Peaceman, H. H. Rachford Jr., "The numerical solution of parabolic and elliptic differential equations," J. SIAM 3, 28-41 (1955).

EuroDisplay 2005 (1)

H. M. Visser, J. J. W. M. Rosink, N. Raman, R. Rajae-Joordens, "Invited paper: Tuning LCD displays to medical applications," EuroDisplay 2005 74-77 (2005).

J. Display Technol. (1)

G. Guarnieri, L. Albani, G. Ramponi, "Minimum-error splitting algorithm for a dual layer LCD display—Part I: Background and theory," J. Display Technol. 4, (2008).

J. SIAM (1)

D. W. Peaceman, H. H. Rachford Jr., "The numerical solution of parabolic and elliptic differential equations," J. SIAM 3, 28-41 (1955).

Other (8)

R. Mantiuk, K. Myszkowski, H.-P. Seidel, "Visible difference predicator for high dynamic range images," Proc. IEEE Int. Conf. on Syst., Man and Cybern. (2004) pp. 2763-2769.

National Electrical Manufacturers Association“Digital imaging and communications in medicine (DICOM). Part 14: Grayscale standard display function,” (2007).

G. Guarnieri, L. Albani, G. Ramponi, "Image splitting techniques for a dual layer high dynamic range LCD display," Proc. SPIE Med. Imag. 2008: Image Perception, Observer Performance, and Technology Assessment (2008) pp. 69170M.

TCO Development“TCO'03 Displays—Flat Panel Displays, Ver. 3.0,” (2005).

D. P. Bertsekas, Nonlinear Programming (Athena Scientific, 1999).

Y. Saad, Iterative Methods for Sparse Linear Systems (SIAM, 2003).

W. Hackbusch, Multigrid Methods and Applications (Springer, 1985).

P. G. J. Barten, Contrast Sensitivity of the Human Eye and Its Effects on Image Quality (SPIE Optical Engineering Press, 1999).

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