Scrolling UI Element via Head Movement and Gaze Detection
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Solution Overview
Problem
Existing systems for scrolling user interface elements in computer graphical environments lack efficient methods to adapt scrolling based on user input, particularly distinguishing between movement of the device and attention directed to the interface.
Innovation Solution
The system introduces two modes of operation for scrolling a user interface element: one based on the movement of the electronic device, such as rotation of the head, and another based on the attention of the user, such as gaze direction. It uses threshold criteria for determining when to switch between these modes, including average movement or attention changes over time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If scrolling is based on device movement only, then the scrolling mechanism is simple to implement, but it fails to capture user intent when the device moves without user intention (e.g., accidental drops)
Solution Approach 1:
The patent combines multiple input detection mechanisms (device movement sensors, eye tracking, attention detection) into a unified scrolling control system. By merging these different input modalities, the system can distinguish between accidental device movement and intentional user actions, thereby improving reliability without requiring a single overly complex detection mechanism
Solution Approach 2:
The system implements feedback loops where eye tracking and attention detection data continuously inform the scrolling behavior. The system monitors user gaze direction and attention level, providing feedback that adjusts scrolling in real-time, ensuring that scrolling only occurs when user intent is confidently detected rather than relying on raw device movement alone
2Ease of operation
If scrolling is based on attention detection only, then the system can detect user intent accurately, but it requires complex eye tracking and attention monitoring systems
Solution Approach 1:
The patent implements dynamic switching between different scrolling modes (attention-based scrolling, movement-based scrolling, or combined modes) depending on the detected user state and context. The system can transition between these modes dynamically, allowing simple movement-based control when appropriate while utilizing more complex attention detection only when needed to determine user intent
Solution Approach 2:
The system changes operational parameters such as scrolling speed, threshold sensitivity, and detection methodology based on detected user state. When attention is detected, the system may use slower, more precise scrolling with higher confidence thresholds, while in other states it may use faster movement-based scrolling, thereby adapting the complexity of the system to the situational needs
3Adaptability or versatility
If the system uses multiple scrolling modes, then it can adapt to different user intents, but it increases the complexity of mode switching logic
Solution Approach 1:
The patent applies different detection sensitivities and scrolling parameters locally based on the detected user state. Rather than implementing a single complex mode switching system, the system adjusts local parameters (detection thresholds, scrolling speed, confidence requirements) based on the current context, thereby achieving adaptability through parameter adjustment rather than structural complexity
Data Source
AI summary
Some examples of the disclosure are directed to systems and methods for scrolling a user interface element. A user interface element including a plurality of selectable options scrollable along a first axis can be presented in an environment by a device. In some examples, the device detects an input corresponding to a request to scroll the user interface element. In accordance with a determination that the input satisfies one or more first criteria, including a criterion that is satisfied when the input includes movement of the device that corresponds to movement of a head of a user that exceeds a threshold amount of movement over a period of time, the device scrolls the user interface element in a first mode of operation. In accordance with a determination that the input satisfies one or more second criteria, the device scrolls the user interface element in a second mode of operation.