Patent ID: 11930266
Assignee: CANON KABUSHIKI KAISHA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 20:
21. A line-of-sight detection method comprising:
detecting a position of a line of sight of a user with respect to a display unit;
detecting one or more subjects from an image displayed in the display unit;
determining a correction value such that the position of the line of sight matches a position of one of the one or more subjects, wherein, in a case where the one or more subjects include a plurality of subjects, the position of the line of sight corrected by using the correction value matches a first subject of the plurality of subjects, and wherein, in a case where a degree of matching between the position of the line of sight corrected by the correction value and the first subject does not satisfy a predetermined condition, the position of the line of sight corrected by using the correction value matches a subject which is different from the first subject, among the plurality of the subjects; and
correcting the position of the line of sight by using the correction value.