Joint detection and description systems and methods
US11176425B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 11, 2019 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Jul 13, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/39
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for detecting and describing keypoints in images is described. A camera is configured to capture an image including a plurality of pixels. A fully convolutional network is configured to jointly and concurrently: generate descriptors for each of the pixels, respectively; generate reliability scores for each of the pixels, respectively; and generate repeatability scores for each of the pixels, respectively. A scoring module is configured to generate scores for the pixels, respectively, based on the reliability scores and the repeatability scores of the pixels, respectively. A keypoint list module is configured to: select X of the pixels having the X highest scores, where X is an integer greater than 1; and generate a keypoint list including: locations of the selected X pixels; and the descriptors of the selected X pixels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.