Electronic Device Gaze Correlation for Mixed Reality
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Solution Overview
Problem
Head-mounted displays (HMDs) of the optical see-through type often suffer from 'double view' issues, where virtual objects are seen separately by each eye due to misalignment with the user's line of sight, despite calibration efforts, as the parallax of virtual objects does not account for individual eye correlations and personal differences in gaze.
Innovation Solution
An electronic device with a processor and memory that acquires and correlates gaze information from both eyes to adjust the display positions of virtual objects based on the correlation between the right and left eye's lines of sight, accounting for personal differences in eye alignment and distance to the object, thereby preventing double view.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If calibration for detecting the line of sight of one eye is performed, then the line of sight detection accuracy for a single eye is improved, but double view still occurs because the correlation between right and left eye gazes is not considered
Solution Approach 1:
The patent combines line of sight detection from both right and left eyes into a unified correlation model. By merging the gaze data from both eyes and analyzing their correlation, the system achieves more reliable virtual object alignment than single-eye calibration alone, eliminating double view while maintaining detection precision.
2Device complexity
If a fixed parallax is used for depicting virtual objects, then the rendering process is simplified, but double view occurs because individual differences in eye correlation are not accounted for
Solution Approach 1:
The patent transitions from a fixed, static parallax value to a dynamic parallax adjustment system. By continuously measuring the correlation between right and left eye gazes, the system dynamically adjusts the parallax for each user, maintaining simple rendering processes while achieving reliable virtual object alignment that adapts to individual eye characteristics.
3Ease of operation
If the virtual object is displayed with a parallax that does not depend on the user, then the system is easier to operate, but double view occurs due to personal differences in eye alignment
Solution Approach 1:
The patent implements a self-service calibration system where each user's unique eye correlation characteristics are automatically measured and stored. The system serves itself by adapting to individual users without requiring manual adjustment, maintaining ease of operation while achieving reliable virtual object alignment through personalized parallax settings derived from each user's specific eye gaze correlation.
Data Source
AI summary
An electronic device according to the present invention includes at least one memory and at least one processor which function as: a gaze acquisition unit configured to acquire right gaze information related to a gaze of a right eye of a user that wears a display apparatus of an optical see-through type on a head and left gaze information related to a gaze of a left eye of the user; and a correlation acquisition unit configured to acquire, as information on personal differences, correlation information related to correlation between the gaze of the right eye and the gaze of the left eye on a basis of the right gaze information and the left gaze information.