Patent ID: 8358854

Claim:
A search skip region setting function generation method comprising: associating a template used to search a model image for an object with a designated search point on the model image, and detecting a designated search point similarity between the designated search point and the template; changing the designated search point when the designated search point similarity does not exceed an object detection determination threshold, and detecting surrounding search point similarities between a plurality of surrounding search points around the designated search point on the model image and the template when the designated search point similarity exceeds the object detection determination threshold; and estimating a distance between the object and the template based on a high-low frequency of the surrounding search point similarities, estimating a detection error ratio of the object at a first surrounding search point based on the estimated distance, comparing an allowable detection error ratio that allows a detection error of the object with the estimated detection error ratio, and generating a function required to set a region where the estimated detection error ratio are less than the allowable detection error ratio as the search skip region of the object.