Systems and methods for image super-resolution using iterative collaborative filtering
US11403733B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2018 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Dec 29, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/4084
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Various techniques are disclosed for systems and methods to provide image resolution enhancement. For example, a method includes: receiving an original image (e.g., a visible light image) of a scene comprising image pixels identified by pixel coordinates; resizing the original image to a larger size, where the resized image is divided into a first plurality of reference blocks; enhancing a resolution of the resized image by iteratively: injecting high frequency data into the resized image, extracting from the resized image a first plurality of matching blocks that meet a mutual similarity condition with respect to the reference block, and adjusting the high frequency data of the reference block based on a correlation between the reference block and the first plurality of matching blocks. A system configured to perform such a method is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.