Video-based crossroad signal machine control method
US10699568B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2018 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Jan 2, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/095
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present application discloses a video-based crossroad signal machine control method, which includes: installation of video detectors; data acquisition and communication; signal control optimization algorithm processing; signal command issue and signal light control. The application adopts active video detection technology, which can accurately detect the traffic state of single crossroad, formulate an optimized signal control scheme, provide optimal decision and emergency plan for the control of traffic light of the main road, improve the traffic efficiency of crossroad and effectively alleviate traffic congestion on the crossroad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.