System for capturing a document in an image signal
US8600167B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 28, 2011 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | May 27, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V30/1607
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Devices, methods, and software are disclosed for capturing a frame of image data having a representation of a feature. In an illustrative embodiment, a device includes an imaging subsystem, one or more memory components, and a processor. The imaging subsystem is capable of providing image data representative of light incident on said imaging subsystem. The one or more memory components include at least a first memory component operatively capable of storing an input frame of the image data. The processor is in communicative connection with executable instructions for enabling the processor for various steps. One step includes receiving the input frame from the first memory component. Another step includes generating a reduced resolution frame based on the input frame, the reduced resolution frame comprising fewer pixels than the input frame, in which a pixel in the reduced resolution frame combines information from two or more pixels in the input frame. Another step includes attempting to identify transition pairs comprising pairs of adjacent pixels in the reduced resolution frame having differences between the pixels that exceed a pixel transition threshold. Another step includes …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.