Method and apparatus for multi-band blending of a seam in an image derived from multiple cameras
US10497094B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Feb 2, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/4038
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, apparatus and computer program product are provided to combine images captured by multiple cameras into a panoramic image, such as a 360° panorama, in a manner that reduces image defects and other artifacts at or near a seam between images. In some implementations of example embodiments, the overlapping portions of two images are decomposed into a predetermined number of bands. For most of the bands, a laplacian of Gaussian blending mask is applied when blending images associated with the relevant bands. For a final band, a linear blending mask is applied, and the bands are combined into an image that may be used in connection with a panoramic image featuring portions of multiple images captured by an array of cameras. In some example implementations, a bandwidth for the final band may be determined based in part on a selected sharpness factor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.