Method and system for detection and characterization of open space in digital images
US5901245A · kind A · utility
63Cited by
7References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1997 |
| Grant date | May 4, 1999 |
| Priority date | — |
| Expiry date | Jan 23, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99945
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for detecting open space in a digital image, the method comprises the steps of creating an activity map for permitting determination of the activity of the digital image; determining which pixels in the activity map are below a threshold; and identifying open space as contiguous pixels of the activity map having values below the predetermined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.