System, method and storage medium for detecting people entering and leaving a field
US11587325B2 · kind B2 · utility
0Cited by
5References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 29, 2020 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Jun 9, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/44
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for detecting people entering and leaving a field is provided in an embodiment of the disclosure. The method includes the following. An event detection area corresponding to an entrance is set, and the event detection area includes an upper boundary, a lower boundary, and an internal area, and the lower boundary includes a left boundary, a right boundary, and a bottom boundary; a person image corresponding to a person in an image stream is detected and tracked; and whether the person passes through or does not pass through the entrance is determined according to a first detection result and a second detection result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.