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

Claim 0:
1. A line-of-sight detection apparatus comprising:
a processor; and
a memory storing a program which, when executed by the processor, causes the line-of-sight detection apparatus to function as:
a line-of-sight detection unit configured to detect a position of a line of sight of a user with respect to a display unit,
a line-of-sight position correction unit configured to correct the position of the line of sight detected by the line-of-sight detection unit by using a correction value,
a subject detection unit configured to detect a subject from an image displayed in the display unit, and
a correction value determination unit configured to determine the correction value used by the line-of-sight position correction unit such that the position of the line of sight corrected by the line-of-sight position correction unit matches a position of the subject detected by the subject detection unit,
wherein the correction value determination unit determines the correction value such that, in a case where a plurality of subjects are detected, the position of the line of sight corrected by the line-of-sight position correction unit matches a first subject of the plurality of subjects, and
wherein the correction value determination unit determines the correction value such that, in a case where a degree of matching between the position of the line of sight corrected by the line-of-sight position correction unit and the first subject does not satisfy a predetermined condition, the position of the line of sight corrected by the line-of-sight position correction unit matches a subject which is different from the first subject, among the plurality of subjects.