Two-view autostereoscopic display independent of differences of interocular distance and viewing condition,Journal of the Society for Information Display

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Two-view autostereoscopic display independent of differences of interocular distance and viewing condition
Journal of the Society for Information Display ( IF 1.7 ) Pub Date : 2024-03-03 , DOI: 10.1002/jsid.1272
Takumi Hori ₁ , Kayo Yoshimoto _{1,

2} , Goro Hamagishi _{1,

2} , Hideya Takahashi _{1,

2}

Affiliation

We have previously proposed the parallax barrier autostereoscopic display with eye tracking control. This display realized a wide viewing area. However, the previous method simplifies the process by using the average interocular distance and composing images corresponding to the center position of both eyes. As a result, crosstalk caused by individual differences in interocular distance and changes in viewing condition, such as facial tilt and rotation, was occurred. The crosstalk caused by individual differences in interocular distance is an important factor that must be eliminated. Therefore, we propose the method to compose a parallax image by using positions of both eyes to expand the viewing zone. We use the black images to the crosstalk subpixels, which can be determined from the positions of each eye and achieves more comfortable stereoscopic viewing. To verify the effectiveness of the proposed method, we constructed the prototype 3D display using the parallax barrier with 50% aperture ratio and confirmed the wide viewing area with the crosstalk ratio of less than 5%. We can achieve an autostereoscopic display that has bright and high-quality stereoscopic image and independent of individual differences in interocular distance and changes in viewing condition.

中文翻译：

不受眼间距离和观看条件差异影响的双视图自动立体显示

我们之前提出了具有眼动追踪控制的视差屏障自动立体显示器。该显示器实现了宽视域。然而，先前的方法通过使用平均眼间距离并合成与双眼中心位置相对应的图像来简化过程。结果，出现了由眼间距离的个体差异和观看条件的变化（例如面部倾斜和旋转）引起的串扰。由眼距个体差异引起的串扰是必须消除的重要因素。因此，我们提出了利用双眼位置来合成视差图像以扩大观看区域的方法。我们使用黑色图像作为串扰子像素，可以根据每只眼睛的位置来确定串扰子像素，从而实现更舒适的立体观看。为了验证所提出方法的有效性，我们使用孔径比为50%的视差屏障构建了原型3D显示器，并确认了宽视角且串扰率小于5%。我们可以实现具有明亮和高质量立体图像并且不受个体眼间距离差异和观看条件变化影响的自动立体显示。

更新日期：2024-03-03

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