Systems and methods for enabling fine-grained user interactions for projector-camera or display-camera systems
US9547370B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2014 |
| Grant date | Jan 17, 2017 |
| Priority date | — |
| Expiry date | Jul 21, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04883
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer-implemented method performed in connection with a mobile computing device held by a user, the mobile computing device displaying a marker pattern, the method being performed in a computerized system incorporating a processing unit, a camera and a memory, the computer-implemented method involving: acquiring a plurality of images of the mobile computing device displaying the marker pattern using the camera; using the central processing unit to detect the marker pattern within the acquired plurality of images; using the central processing unit to determine a plurality of positions of the mobile computing device based on the detected marker pattern within the acquired plurality of images; and processing a user event based on the determined plurality of positions of the mobile computing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.