Patent ID: 8335400
Filing Date: 2012-12-18
Classification: G06T

Abstract:
1. An information processing method for calculating a position and orientation of an image capturing device which captures an image of a physical space in which a sequence of markers are arranged on a line, comprising: detecting a sequence of markers from a captured image; converting the detected sequence of markers into a corresponding sequence of numerical information that indicates positions of the markers; collating a part of a predetermined code string that matches the sequence of numerical information to obtain a collating result; calculating respective coordinate values of the detected sequence of markers in the physical space using the collating result and given information associated with a layout of the sequence of markers; and calculating the position and orientation of the image capturing device using image coordinate values of the detected sequence of markers in the captured image, the coordinate values of the detected sequence of markers in the physical space, and the orientation information of the image capturing device acquired by an arbitrary sensor.