US 7,321,668 B2
Object detection apparatus, object detection method and computer program product
Daisaku Horie, Uji (Japan); and Yuusuke Nakano, Akashi (Japan)
Assigned to Konica Minolta Holdings, Inc., Tokyo (Japan)
Filed on Feb. 25, 2004, as Appl. No. 10/786,775.
Claims priority of application No. 2003-397999 (JP), filed on Nov. 27, 2003.
Prior Publication US 2005/0117779 A1, Jun. 02, 2005
Int. Cl. G06K 9/00 (2006.01)
U.S. Cl. 382—103  [382/115; 382/190] 23 Claims
OG exemplary drawing
 
1. An object detection apparatus for detecting a target object in an image, comprising:
an image input portion for entering a shot image that is taken by a camera;
a plurality of feature detection portions for detecting features of the shot image by using different methods;
a shooting condition obtaining portion for obtaining information indicating conditions for shooting by the camera;
a reliability calculation portion for calculating reliability of the feature that is detected by each of the feature detection portions in the conditions indicated by the information obtained by the shooting condition obtaining portion; and
an object detection portion for detecting the object in the shot image in accordance with the features detected respectively by one or more of the plural feature detection portions from the shot image and the reliability of the features calculated by the reliability calculation portion.