Method and apparatus providing perspective correction and/or image dewarping
US8411998B2 · kind B2 · utility
28Cited by
15References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2008 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Sep 19, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatuses for providing dewarping and/or perspective correction of an input image are disclosed. Described embodiments include processing that provides dewarping and/or perspective correction by associating pixel values identified by input pixel addresses corresponding to an input image with output pixel addresses corresponding to an output image. An image processor having a storage circuit and an address mapping unit for determining a corresponding input pixel address from an output pixel address is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.