Method of and arrangement for blurring an image
US8571354B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2008 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Jul 13, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30252
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of reducing the spatial resolution of images is disclosed. At least one embodiment of the method includes: —acquiring an input image including image parts having a spatial resolution larger than SR pixels/meter; —acquiring a depth map associated with the input image; —determining for each pixel p(x,y) a spatial resolution value by means of the depth map; —processing a region of pixels of the input image for which holds that the spatial resolution value is larger than a predefined threshold corresponding to SR pixels/meter to obtain a corresponding region of pixels having a spatial resolution smaller then or equal to SR pixels/meter in an output image. The method enables to removes privacy information from images by reducing the spatial resolution to a level that the privacy information cannot be recognized in the image anymore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.