Investigation of Designated Eye Position and Viewing Zone for a two-view autostereoscopic display

Abstract

Designated eye position (DEP) and viewing zone (VZ) are important optical parameters for designing a two-view autostereoscopic display. Although much research has been done to date, little empirical evidence has been found to establish a direct relationship between design and measurement. More rigorous studies and verifications to investigate DEP and to ascertain the VZ criterion will be valuable. We propose evaluation metrics based on equivalent luminance (EL) and binocular luminance (BL) to figure out DEP and VZ for a two-view autostereoscopic display. Simulation and experimental results prove that our proposed evaluation metrics can be used to find the DEP and VZ accurately.

P-69: Studies on 2D/3D Switchable Autostereoscopic Display with Spatial and Sequential Hybrid Control Using PDLC Films

“…Figure 6 shows the measurement results and Figure 7 shows the intuitional shape of viewpoints in different modes. 3D crosstalk (CR) can be defined as the ratio of luminance in the correct viewpoint and that leaking from the adjacent viewpoint, given by And the luminance uniformity of 2D display can be defined by Equation 5: min max 100% I Uni I u (5) where Imin and Imax are the minimum and maximum luminance of the measured points between two luminance peaks [9,10]. Uni=100% indicates perfect planar display.…”

Automated Calibration Method for Eye-Tracked Autostereoscopic Display

“…The results are summarized in Table 3 . The average external crosstalk value was 8.32%, which is within an acceptable range for a two-view autostereoscopic display [ 32 ]. Note, the crosstalks of the no-calibration case are so large that it may be difficult for users to perceive scenes in 3D.…”

Global Evaluation and Optimization for a Directionally Illuminated Autostereoscopy

“…In the MEVZ region, an observer is supposed to receive high uniformity and low crosstalk. Here, the acceptable value of uniformity is set higher than 80% according to European Broadcasting Union [40], while acceptable criteria of crosstalk is that the maximum crosstalk should be lower than 10% over the entire screen [31], [41], [42], [43]. Therefore, the MEVZ can be expressed as (4), which means that the viewing position ( ) ,,…”

“…However, luminance uniformity on the entire screen was rarely discussed. Huang [31] proposed a rigorous evaluation metric based on equivalent luminance and binocular luminance to figure out the viewing zone. However, the measured points on the screen are scarce to estimate the luminance uniformity and crosstalk which can be distributed unevenly on the entire screen [32].…”