US 7,502,494 B2
Face orientation detection apparatus, face orientation detection method, and computer memory product
Akiyoshi Tafuku, Oita (Japan); Kozo Baba, Oita (Japan); and Hisao Ito, Oita (Japan)
Assigned to Fujtisu Limited, Kawasaki (Japan)
Filed on Jan. 26, 2004, as Appl. No. 10/763,185.
Claims priority of application No. 2003-022498 (JP), filed on Jan. 30, 2003.
Prior Publication US 2004/0151350 A1, Aug. 05, 2004
Int. Cl. G06K 9/00 (2006.01); G06K 9/32 (2006.01)
U.S. Cl. 382—118  [382/289] 14 Claims
OG exemplary drawing
 
1. An apparatus for detecting orientation of a face from image data acquired by photographing the face, the image data being composed of a plurality of pixel data aligned in horizontal direction and vertical direction, respectively, comprising:
a horizontal adding section for adding the respective pixel data in the horizontal direction of the image data;
an eye detecting section for detecting an eye position in the vertical direction based on a plurality of sum values calculated by said horizontal adding section;
an eye vicinity adding section for adding the respective pixel data in the vertical direction in a vicinity region of the eye position detected by said eye detecting section; and
an orientation detecting section for detecting a face orientation based on a plurality of sum values calculated by said eye vicinity adding section.