LED light identification method, device, electronic apparatus and storage medium
US12212868B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 29, 2024 |
| Grant date | Jan 28, 2025 |
| Priority date | — |
| Expiry date | Jul 29, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The disclosure provides an LED light identification method, device, electronic apparatus, and storage medium, belonging to the technical field of indoor positioning and navigation. The method includes: obtaining a background frame and a spline frame by a CMOS camera in an LED lighting environment; determining a target quantity of dark stripes in the spline frame by comparing the background frame with the spline frame; determining a target switching frequency corresponding to the target quantity based on a predetermined corresponding relationship and the target quantity. The target switching frequency is used to mark LED lights. By determining the target switching frequency corresponding to the target quantity and determining the target LED lights having the target switching frequency, it can be determined that the current position of the CMOS camera is near the target LED light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.