Barcode detection based on morphological operations
US8366004B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Feb 5, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/1452
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
This disclosure describes techniques for detecting a barcode within an image. An image processor may, for example, process an image to detect regions within the image that may be barcodes. The image processor may identify regions of the image that exhibit a high concentration of edges and a high concentration of pixels with low optical intensity co-instantaneously as potential barcodes. The image processor may identify the regions using a number of morphological operations. The image processor may then determine whether the identified regions are actually barcodes by verifying whether the region have unique barcode features. The barcode detection techniques described in this disclosure may be independent of barcode size, location and orientation within the image. Moreover, the use of morphological operations results in faster and more computationally efficient barcode detection, as well as lower computational complexity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.