Smart Glasses Camera Adjustment for Accurate Eyeball Tracking
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Solution Overview
Problem
Existing smart glasses suffer from inaccuracies in eyeball trajectory tracking due to deviations in the wearing position, leading to unreliable calculations.
Innovation Solution
The smart glasses incorporate an adjustable camera assembly and sensor assembly to correct the camera's position relative to the user's eyeballs, ensuring it maintains a reference relative position, thereby improving accuracy and reliability of eyeball trajectory tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the camera position is fixed on the smart glasses frame, then the device structure is simple, but the eyeball trajectory tracking accuracy deteriorates when wearing position deviates
Solution Approach 1:
The camera assembly is designed with adjustable position capability, allowing it to move dynamically to maintain a fixed relative position to the eyeballs even when the smart glasses wearing position deviates. This dynamic adjustment resolves the contradiction by enabling the camera to adapt its position rather than remaining fixed, thereby maintaining tracking accuracy without requiring complex permanent structural modifications
Solution Approach 2:
The system uses sensor assemblies to detect the actual wearing position and provides feedback to the controller, which then adjusts the camera position accordingly. This feedback mechanism enables the camera to automatically compensate for wearing position deviations, maintaining accurate eyeball trajectory tracking without requiring complex manual adjustment mechanisms
2Reliability
If the camera maintains a fixed relative position to the eyeballs, then the eyeball trajectory tracking accuracy is improved, but the device complexity increases due to adjustable camera assembly
Solution Approach 1:
The camera assembly performs self-adjustment based on sensor feedback and controller instructions, automatically maintaining the correct relative position to the eyeballs. This self-service capability improves reliability by ensuring consistent tracking accuracy while avoiding the need for complex external adjustment mechanisms or frequent manual interventions
Solution Approach 2:
The adjustable camera assembly serves multiple functions: it can be positioned to maintain optimal eyeball tracking, adjusted to compensate for different wearing positions, and integrated with sensor and display assemblies. This multi-functionality justifies the increased complexity by providing comprehensive functionality that improves overall system reliability
Data Source
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AI summary
A pair of smart glasses includes: a frame (10), a display assembly (20), an adjustable camera assembly (30), a sensor assembly (40), and a micro-controller (50). The frame includes a first side frame (110), a main frame (120) and a second side frame (130) connected in sequence. The first side frame and the second side frame are worn on the ears of a wearable device user, and the main frame is supported in front of the eyes of the wearable device user. The display assembly is fixed on the main frame, and is connected to the micro-controller. The adjustable camera assembly is arranged on the main frame, and is connected to the micro-controller. The sensor assembly is arranged inside the frame, and is connected to the micro-controller. The micro-controller is arranged inside the frame. A method and device for tracking eyeball trajectory, and a storage medium are also disclosed.