Patent ID: 11967107
Assignee: CANON KABUSHIKI KAISHA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. An apparatus, comprising:
at least one processor; and
a memory coupled to the at least one processor storing instructions that, when executed by the at least one processor, cause the at least one processor to function as;
a generation unit configured to generate map information including a position of a feature point and identification information on an index in an image of a real space captured by a capturing apparatus;
a collation unit configured to collate the identification information on the index in the generated map information with the identification information on the index in one or more pieces of registered map information, and to extract map information from the one or more pieces of registered map information based on a result of the collation;
a presentation unit configured to present a list of the extracted map information;
a selection unit configured to select one piece of map information from the list based on an instruction from a user; and
an estimation unit configured to estimate a position and orientation of the capturing apparatus based on the position of the feature point in the selected map information and the position of the feature point in the generated map information.