Free viewpoint video
US8223192B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2007 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | May 5, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/76
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of remotely viewing a video from a selected viewpoint selected by the viewer from a continuous segment, including, recording a video of a subject using at least one depth video camera that records a video comprising a sequence of picture frames and additionally records a depth value for each pixel of the picture frames, recording a video of the subject using at least one standard video camera positioned to record a video at a viewpoint that differs from the viewpoint of the depth video camera, rendering a depth hull that defines a three dimensional outline of the subject being recorded using the depth values recorded by the depth video cameras, providing the recorded video from one or more cameras positioned on either side of the selected viewpoint, incorporating the recorded video from the one or more cameras onto the rendered depth hull to render a viewable video from the selected viewpoint; and displaying the rendered viewable video to the viewer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.