Hardware architecture for real-time extraction of maximally stable extremal regions (MSERs)
US9489578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2014 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Sep 10, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30232
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Hardware architecture for real-time extraction of maximally stable extremal regions (MSERs) is disclosed. The architecture includes a communication interface and processing circuitry that are configured in hardware to receive a data stream of an intensity image in real-time and provide labels for image regions within the intensity image that match a given intensity threshold. The communication interface and processing circuitry are also configured in hardware to find extremal regions within the intensity image based upon the labels and to determine MSER ellipses parameters based upon the extremal regions and MSER criteria. In at least one embodiment, the MSER criteria include minimum and maximum MSER areas, and an acceptable growth rate value for MSER area. In another embodiment, the MSER criteria include a nested MSER tolerance value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.