Digital camera and method of controlling same

Details Digital camera and method of controlling same Digital camera and method of controlling same

2004-05-10

2008-07-08

Bella, Matthew C. (Department: 2624)

Image analysis

Pattern recognition

Template matching

C382S162000, C382S167000, C396S413000, C396S411000, C396S429000

Reexamination Certificate

active

07397955

ABSTRACT:
Whether a portrait photography mode has been set is determined. A first threshold value is set when the portrait photography mode has been set and a second threshold value that is smaller than the first threshold value is set when the portrait photography mode has not been set. A cross-correlation coefficient between the image of the subject and a template image is calculated. The calculated coefficient and the set threshold value are compared and the position of the image of a face is detected in the image of the subject. When the portrait photography mode has been set, it can be construed that the subject contains a person and therefore the position of the face image can be detected comparatively accurately by increasing the threshold value.

REFERENCES:
patent: 5864363 (1999-01-01), Giefing et al.
patent: 6885761 (2005-04-01), Kage
patent: 8-63597 (1996-03-01), None
patent: 2001-330882 (2001-11-01), None
patent: 2003-107555 (2003-04-01), None

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