Gaze-Tracking Optical System for Virtual Object Positioning
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Solution Overview
Problem
Augmented and mixed reality glasses fail to effectively combine virtual objects with the real world, leading to user distraction and increased complexity, as users are forced to switch attention between displayed information and their environment, potentially causing accidents due to inattentiveness.
Innovation Solution
A method using gaze-tracking glasses and a display unit that adapts to individual users by displaying virtual objects in the user's actual viewing direction, allowing for precise and intentional combination with real-world objects, reducing the need for users to change visual attention and minimizing distractions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If information is displayed on the display in augmented reality glasses, then the user receives information, but the user's visual attention is forced to switch between the displayed information and the environment, causing distraction and potential accidents
Solution Approach 1:
The patent applies local quality by displaying information specifically at the user's current point of regard rather than in fixed positions. The display adapts its content location to match where the user is already looking, creating a localized information delivery system that integrates with rather than interrupts the user's natural visual flow. This resolves the contradiction by delivering information without forcing attention switches.
Solution Approach 2:
The patent uses an intermediary system (the adaptive display controlled by eye-tracking data) that mediates between the information source and the user's visual field. Rather than placing information in fixed locations that compete for attention, the intermediary dynamically positions information where the user is already looking, allowing simultaneous processing of real-world visuals and digital information without attention switching.
2Device complexity
If the display shows content in fixed positions, then the display structure is simple, but the content does not align with the user's viewing direction, reducing effectiveness
Solution Approach 1:
The patent applies dynamics by making the display content adaptive rather than static. The position of displayed information dynamically changes based on real-time eye-tracking data, allowing the display to adapt to the user's shifting viewing direction. This maintains relatively simple hardware while achieving high adaptability through software-controlled dynamic repositioning of content.
3Adaptability or versatility
If virtual objects are displayed to combine with real-world objects, then the augmented reality experience is enhanced, but the alignment and positioning become complex
Solution Approach 1:
The patent applies local quality by anchoring virtual objects to specific locations in the user's visual field based on eye-tracking data. Rather than requiring complex 3D spatial alignment systems, the virtual content is positioned locally at the point where the user is already looking, creating seamless integration with real-world objects without complex positioning infrastructure.
Data Source
AI summary
The invention relates to a method for generating and displaying a virtual object to an individual user by an optical system consisting of gaze-tracking glasses and at least one display unit connected to the gaze-tracking glasses, the display unit having a first display, the gaze-tracking glasses having a first eye-tracking camera, the first display being arranged in a first viewing region of the gaze-tracking glasses. According to the invention, the optical system is adapted to an individual user, a first target value for adaptation of a display control unit of the display unit for controlling the first display being determined, a current viewing direction of the first eye being determined by the gaze-tracking glasses, a virtual object being generated and, taking account of the first target value, the virtual object being displayed in the first display at a position in the determined viewing direction of the first eye.