Image processing method and apparatus for smart pen including pressure switches, and electronic device
US11853483B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2020 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Aug 24, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0421
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An image processing method and apparatus for a smart pen, and an electronic device where the method comprises: monitoring a working state of a second pressure switch provided at a pen tip of a smart pen after a first pressure switch of the smart pen is in a closed state; controlling an infrared transceiver circuit on the smart pen to send an infrared signal to an area where the smart pen writes; acquiring a lightweight network model preset in the smart pen, so as to perform feature extraction processing on an original image; performing classification processing on a feature matrix by using a fully connected layer in the lightweight network model, to obtain a trajectory classification result; and displaying a writing trajectory of the smart pen on a target object in real time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.