Review of light field technologies

S Zhou, T Zhu, K Shi, Y Li, W Zheng, J Yong - Visual Computing for …, 2021 - Springer
Light fields are vector functions that map the geometry of light rays to the corresponding
plenoptic attributes. They describe the holographic information of scenes by representing …

Encoding and decoding virtual reality video

D Pang, C Pitts, K Akeley, Z Htet - US Patent 10,469,873, 2019 - Google Patents
A virtual reality or augmented reality experience of a scene may be decoded for playback for
a viewer through a combination of CPU and GPU processing. A video stream may be …

Layered content delivery for virtual and augmented reality experiences

D Pang, C Pitts, K Akeley - US Patent 10,546,424, 2020 - Google Patents
US10546424B2 - Layered content delivery for virtual and augmented reality experiences -
Google Patents US10546424B2 - Layered content delivery for virtual and augmented reality …

Spatial random access enabled video system with a three-dimensional viewing volume

D Pang, C Pitts, K Akeley - US Patent 10,341,632, 2019 - Google Patents
An environment may be displayed from a viewpoint. According to one method, volumetric
video data may be acquired depicting the environment, for example, using a tiled camera …

Video capture, processing, calibration, computational fiber artifact removal, and light-field pipeline

B Bevensee, T Du, J Karafin, J Merritt… - US Patent …, 2020 - Google Patents
2017-05-10 Assigned to LYTRO, INC. reassignment LYTRO, INC. ASSIGNMENT OF
ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DU, TINGFANG …

Data structures and delivery methods for expediting virtual reality playback

D Pang, C Pitts, K Akeley - US Patent 10,419,737, 2019 - Google Patents
A video stream for a scene for a virtual reality or augmented reality experience may be
stored and delivered to a viewer. The video stream may be divided into a plurality of units …

Video compression with adaptive view-dependent lighting removal

D Pang, C Pitts, K Akeley - US Patent 10,567,464, 2020 - Google Patents
US10567464B2 - Video compression with adaptive view-dependent lighting removal -
Google Patents US10567464B2 - Video compression with adaptive view-dependent …

Gaze-contingent display technique

US Patent 10,218,968, 2019 - Google Patents
(57) ABSTRACT A gaze contingent display technique for providing a human viewer with an
enhanced three-dimensional experience not requiring stereoscopic viewing aids. Methods …

Gaze detection method and apparatus

F Lindh, M Gustavsson, A Vennstrom… - US Patent 10,216,268, 2019 - Google Patents
A method for determining if a user's gaze is directed in the direction of a zone of interest in a
3D scene comprises: providing a 3D scene containing a zone of interest; associ ating a …

Stereo image generation and interactive playback

K Akeley - US Patent 10,540,818, 2020 - Google Patents
Video data of an environment may be prepared for stereo scopic presentation to a user in a
virtual reality or augmented reality experience. According to one method, a plurality of …