Automatically-triggered digital video imaging based code symbol reading system employing illumination and imaging subsystems controlled in response to real-time image quality analysis
US7654461B2 · kind B2 · utility
18Cited by
243References
27Claims
0Family size
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Key dates
| Filing date | Jun 6, 2007 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Dec 26, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10851
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An automatic automatically-triggered digital video imaging based code symbol reading system for use in point of sale (POS) environments, employing an adaptive control process involving the real-time analysis of the exposure quality of captured frames of digital image data and the real-time reconfiguration of system control parameters (SCPs) based on the results of such exposure quality analysis. By virtue of the present invention, the system enables the reliable reading of code symbols graphically represented in digital images, under demanding point-of-sale lighting conditions and other challenging environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.