Method and apparatus for capturing high dynamic range images using multi-frame interlaced exposure images
US8890986B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2011 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Apr 7, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/583
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An imager includes an array of pixels arranged in rows and a control circuit for sequentially capturing first and second image frames from the array of pixels. The control circuit is configured to sequentially capture first and second pairs of adjacent rows of pixels during first and second exposure times, respectively, when capturing the first image frame. The control circuit is also configured to sequentially capture first and second pairs of adjacent rows of pixels during second and first exposure times, respectively, when capturing the second image frame. The first exposure times during the first and second frames are of similar duration; and the second exposure times during the first and second frames are of similar duration. The control circuit is configured to detect motion of an object upon combining the first and second image frames and, then, correct for the motion of the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.