Access control to computer resource
US10592654B2 · kind B2 · utility
0Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2017 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Sep 23, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2133
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Determining a group of figures for use in a vision test to distinguish computers from humans. An image is obtained and segmented into a plurality of parts. Based on the plurality of parts, a group of figures is determined to enable the group of figures to be displayed at a certain rate for a user to recognize the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.