瞳孔感知全息
Pupil-aware Holography
摘要：
全息显示器有望在增强现实应用中提供前所未有的显示能力，其特征在于宽视场、宽色域、空间分辨率和深度线索，所有这些都在紧凑的形状因子中。虽然新兴的全息显示方法已经成功地实现了大的光学扩展量和高图像质量，如由相机看到的，大的光学扩展量也揭示了一个问题，使得现有的显示器不切实际：通过瞳孔的全息场的采样。现有方法由于缺乏具有足够大的集光率的显示器而没有研究这个问题，并且因此，它们遭受具有变化的眼睛瞳孔尺寸和位置的严重伪影。我们表明，由瞳孔采样的全息场对于现有的显示设置是高度变化的，并且我们提出了瞳孔感知全息术，其最大化感知图像质量，而不管近眼全息显示器中瞳孔的大小、位置和方向。我们验证了所提出的方法在模拟和原型全息显示，并表明我们的方法消除了严重的文物，显着优于现有的方法。
英文摘要：
Holographic displays promise to deliver unprecedented display capabilities in augmented reality applications, featuring a wide field of view, wide color gamut, spatial resolution, and depth cues all in a compact form factor. While emerging holographic display approaches have been successful in achieving large etendue and high image quality as seen by a camera, the large etendue also reveals a problem that makes existing displays impractical: the sampling of the holographic field by the eye pupil. Existing methods have not investigated this issue due to the lack of displays with large enough etendue, and, as such, they suffer from severe artifacts with varying eye pupil size and location. We show that the holographic field as sampled by the eye pupil is highly varying for existing display setups, and we propose pupil-aware holography that maximizes the perceptual image quality irrespective of the size, location, and orientation of the eye pupil in a near-eye holographic display. We validate the proposed approach both in simulations and on a prototype holographic display and show that our method eliminates severe artifacts and significantly outperforms existing approaches.
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