Method for filtering spurious pixels in a depth-map
US10832382B2 · kind B2 · utility
1Cited by
1References
11Claims
0Family size
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Key dates
| Filing date | Sep 29, 2018 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Jan 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20028
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The disclosure concerns a method for filtering spurious pixels in a depth-map. It is important to filter a depth-map to remove the spurious pixels. One issue when filtering spurious pixels, is to remove them while preserving the boundaries of the real details of the depth-map. A known approach to filter spurious pixels is to use a bi-lateral filter. However, the bi-lateral filter is not efficient to remove the spurious pixels. The proposed solution enables to remove spurious pixels in a depth-map while preserving the sharp edges of the depth-map and smoothing faint details or noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.