Abstract

A method to measure the dynamic modulation transfer function (DMTF) of a liquid-crystal display (LCD) is proposed to characterize its performance when rendering motion images. The method includes a measurement system to capture the temporal luminance variation of a LCD while using a well-designed input data sequence and a simulation model based on smooth pursuit eye tracking and temporal light integration at the human retina. It predicts the perceived performance of a moving sine wave pattern on a LCD and subsequently calculates the DMTF. With this approach, several technologies to reduce motion blur were evaluated and discussed.

© 2008 Optical Society of America

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References

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2007 (4)

P. Semenza, Nat. Photonics 1, 267 (2007).
[CrossRef]

C. Teunissen, X. Li, and I. Heynderick, Inf. Disp. 23, 20 (2007).

Y. Zhang, C. Teunissen, W. Lei, and X. Zhang, J. Southeast University 23, 43 (2007).

A. Brückner, J. Duparré, A. Bräuer, and A. Tünnermann, Opt. Lett. 32, 1758 (2007).
[CrossRef] [PubMed]

2006 (4)

T. Yamamoto, S. Sasaki, Y. Igarashi, and Y. Tanaka, J. Soc. Inf. Disp. 14, 933 (2006).
[CrossRef]

C. Teunissen, Y. Zhang, X. Li, and I. Heynderickx, J. Soc. Inf. Disp. 14, 957 (2006).
[CrossRef]

H. Okumura, M. Baba, K. Taira, and M. Okumura, J. Soc. Inf. Disp. 14, 941 (2006).
[CrossRef]

A. Sluyterman, J. Soc. Inf. Disp. 14, 681 (2006).
[CrossRef]

2003 (1)

A. Chawla, H. Roehrig, J. Fan, and K. Gandhi, Proc. SPIE 5029, 734 (2003).
[CrossRef]

1964 (1)

Appl. Opt. (1)

Inf. Disp. (1)

C. Teunissen, X. Li, and I. Heynderick, Inf. Disp. 23, 20 (2007).

J. Soc. Inf. Disp. (4)

T. Yamamoto, S. Sasaki, Y. Igarashi, and Y. Tanaka, J. Soc. Inf. Disp. 14, 933 (2006).
[CrossRef]

C. Teunissen, Y. Zhang, X. Li, and I. Heynderickx, J. Soc. Inf. Disp. 14, 957 (2006).
[CrossRef]

H. Okumura, M. Baba, K. Taira, and M. Okumura, J. Soc. Inf. Disp. 14, 941 (2006).
[CrossRef]

A. Sluyterman, J. Soc. Inf. Disp. 14, 681 (2006).
[CrossRef]

J. Southeast University (1)

Y. Zhang, C. Teunissen, W. Lei, and X. Zhang, J. Southeast University 23, 43 (2007).

Nat. Photonics (1)

P. Semenza, Nat. Photonics 1, 267 (2007).
[CrossRef]

Opt. Lett. (1)

Proc. SPIE (1)

A. Chawla, H. Roehrig, J. Fan, and K. Gandhi, Proc. SPIE 5029, 734 (2003).
[CrossRef]

Other (5)

E. Bellers, J. Janssen, and M. Penners, SID Symposium Digest of Technical Papers (Academic, 2007), Vol. 38, p. 1454.
[CrossRef]

X. Li, L. Chai, C. Teunissen, and I. Heynderickx, SID Symposium Digest of Technical Papers (Academic, 2007), Vol. 38, p. 1130.
[CrossRef]

K. Oka and Y. Enami, SID Symposium Digest of Technical Papers (Academic, 2004), Vol. 35, p. 1266.
[CrossRef]

T. Kurita, A. Saito, and I. Yuyama, Proceedings of IDW (Academic, 1998), p. 823.

M. Klompenhouwer, Proceedings of International Conference on Imaging Processing (IEEE2005), Vol. II, p. 13.

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Figures (4)

Fig. 1
Fig. 1

Sketch map for DMTF of LCDs. The slanted arrows indicate the trajectory of smooth pursuit eye tracking. The vertical arrows present the corresponding input data sequence for physical measurement. x is scaled in units of pixel pitch and t is scaled in units of frame period.

Fig. 2
Fig. 2

Measurement example on a commercial LCD for the test pattern at the top right corner, compared with the ideal S&H type condition (dashed line). The pattern and the curve at the bottom right corner show the simulation results for the perception of the above pattern when it moves with a speed of 4 ppf .

Fig. 3
Fig. 3

DMTF properties of a commercial LCD panel with motion speed as a parameter.

Fig. 4
Fig. 4

DMTF properties (with the motion speed of 4 ppf ) for different LCD technologies: (A) normal LCD, (B) zero response LCD (ideal S&H type display), (C) scanning backlight LCD, (D) 120 Hz LCD. For curves (A), (C), and (D) the same LC with the same response property is used.

Equations (4)

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DMTF ( V , f ) = A p ( V , f ) A i ,
I p ( n ) = 1 2 + 1 2 n + V t ( 1 2 ) n + V t + ( 1 2 ) L d ( t , x ) d x d t ,
I p ( n ) = 1 2 ( 1 2 V ) ( K V ) L d ( t , n K 1 ) d t + k = K K ( 1 2 V ) + ( k V ) ( 1 2 V ) + ( k V ) L d ( t , n + k ) d t + ( 1 2 V ) + ( K V ) 1 2 L d ( t , n + K + 1 ) d t ,
L d ( t , n ) = L V k ( t n V ) ,

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