Motion blur perception considering anisotropic contrast sensitivity of human visual system

Shinji Nakagawa; Toshiya Nakaguchi; Norimichi Tsumura; Yoichi Miyake

doi:10.1117/12.810467

19 January 2009 Motion blur perception considering anisotropic contrast sensitivity of human visual system

Shinji Nakagawa, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 7242, Image Quality and System Performance VI; 72421B (2009) https://doi.org/10.1117/12.810467
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

In this paper, we measured the anisotropic spatio-velocity CSF of human visual system and applied the measured CSF to evaluate motion blur of the LCD. Many Gabor stimuli with different contrasts, spatial frequencies, scroll speeds and angles are displayed on to the LCD and observers are asked whether those stimuli can perceive or not. The thresholds of those stimuli are defined as the contrast that 50% of observers perceive the stimulus. Based on this assessment, we obtained the contrast sensitivity given as the inverse of the threshold. By using the measured spatio-velocity CSFs, we evaluated the anisotropic motion blur characteristics of the LCD.

Citation Download Citation

Shinji Nakagawa, Toshiya Nakaguchi, Norimichi Tsumura, and Yoichi Miyake "Motion blur perception considering anisotropic contrast sensitivity of human visual system", Proc. SPIE 7242, Image Quality and System Performance VI, 72421B (19 January 2009); https://doi.org/10.1117/12.810467

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