Method and device for picture-based barcode encoding and decoding
US9860415B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 18, 2015 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Apr 24, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3284
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for picture-based barcode encoding and decoding is provided herein. The method for picture-based barcode encoding includes: transforming an original data into an original data bitstream; performing an error correction on the original data bitstream for translating the original data bitstream into an error corrected bitstream; selecting all or part of the picture as an encoded area; calculating a data storage capacity of the encoded area; adjusting a size of the error corrected bitstream or a size of the encoded area for equalizing a data storage capacity of an encoded data bitstream and the data storage capacity of the encoded area; and adjusting a pixel value of the encoded area according to the encoded data bitstream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.