Methods for detecting, visualizing, and correcting the perceived depth of a multicamera image sequence
US8654181B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2011 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | May 22, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2013/0081
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A set of tools in a media composition system for stereoscopic video provides visualizations of the perceived depth field in video clips, including depth maps, depth histograms, time-based depth histogram ribbons and curves displayed in association with a media timeline, and multi-panel displays including views of clips temporally adjacent to a clip being edited. Temporal changes in perceived depth that may cause viewer discomfort are automatically detected, and when they exceed a predetermined threshold, the editor is alerted. Depth grading tools facilitate matching depths in an outgoing clip to those in an incoming clip. Depth grading can be performed automatically upon detection of excessively large or rapid perceived depth changes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.