Automatic vehicle window cleaning method and apparatus
US12275379B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2022 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Apr 7, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/58
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An automatic vehicle window cleaning method and apparatus includes obtaining a vehicle window image; determining a dark channel image corresponding to a single frame of vehicle window image; further determining, based on a quantity of pixels whose gray values exceed a preset gray threshold in the dark channel image and/or definition of the dark channel image, that a first-type foreign object exists on a vehicle window, and/or determining, based on RGB values of pixels in i consecutive frames of vehicle window images, that a second-type foreign object exists on the vehicle window, and controlling a cleaning tool to remove a foreign object. The foreign object includes the first-type foreign object and/or the second-type foreign object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.