Methods and apparatus to count people appearing in an image
US7203338B2 · kind B2 · utility
96Cited by
51References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2002 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Dec 11, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/33
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus to count people appearing in an image are disclosed. One disclosed method reduces objects appearing in a series of images to one or more blobs; for each individual image in a set of the images of the series of images, represents the one or more blobs in the individual image by one or more symbols in a histogram; and analyzes the symbols appearing in the histogram to count the people in the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.