Patent · US Active

Face detection method and apparatus and security system employing the same

US7773781B2 · kind B2 · utility

7Cited by
3References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 26, 2004
Grant dateAug 10, 2010
Priority date
Expiry dateMar 25, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V40/167
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A face detection method and apparatus and a security system employing the same. The face detection method includes: determining whether or not a face is detected in a previous frame image; if a face is not detected in the previous frame image, detecting a face in a first image according to one detection mode selected from N face detection modes, where N is an integer equal to or greater than 2; and if a face is detected in the previous frame image, detecting a face by performing sequentially at least one tracking mode of N face tracking modes with a second image.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.