Dynamic Control-Display Gain Adjustment for Gesture Devices
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Solution Overview
Problem
Users of gesture-controlled electronic devices face difficulties in performing mid-air gestures to control and manipulate content on display screens, especially when making fine-grained adjustments to user interface elements, due to the lack of techniques enabling adjustable control-display gain at varying levels of granularity.
Innovation Solution
The method and device allow users to dynamically adjust the control-display gain of a gesture-controlled device by detecting properties such as hand location, orientation, and velocity during mid-air gestures, enabling adjustments without requiring additional actions or gestures, thereby allowing for intuitive and precise control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed control-display gain is used in gesture-controlled devices, then the system is simple to operate, but users cannot make fine-grained adjustments to content or UI elements
Solution Approach 1:
The patent implements dynamic control-display gain adjustment by detecting hand velocity and location during gestures. The system automatically modifies the gain parameter in real-time based on the gesture's speed and position, allowing users to switch between coarse and fine adjustment modes without manual intervention. This resolves the contradiction by making the gain adaptive rather than fixed, enabling fine-grained control when needed while maintaining simplicity through automatic adjustment.
Solution Approach 2:
The patent changes the control-display gain parameter dynamically based on detected hand velocity and location. By mapping gesture velocity to gain values, the system allows users to achieve different levels of precision through natural gesture variations. This parameter change approach enables fine-grained adjustment capability while avoiding complex manual gain adjustment interfaces.
2Ease of operation
If multiple gestures are required to adjust control-display gain, then precise control is achieved, but user interaction becomes cumbersome and time-consuming
Solution Approach 1:
The patent merges the gain adjustment function with the primary gesture control function. By detecting hand velocity and location during ongoing gestures, the system simultaneously performs both content manipulation and gain adjustment in a single continuous action. This eliminates the need for separate gain adjustment gestures, reducing interaction steps and time while maintaining precise control capability.
Solution Approach 2:
The system performs self-service gain adjustment by automatically detecting user intent through hand velocity and location patterns. The gesture recognition system interprets velocity variations as gain adjustment commands without requiring explicit user input. This automatic self-adjustment mechanism eliminates the need for users to perform additional actions to change gain settings.
3Measurement precision
If high control-display gain is used, then pointer movement precision is improved, but arm strain increases during gesture control
Solution Approach 1:
The patent dynamically adjusts control-display gain based on the current gesture context and hand position. When users perform large gestures, the system uses lower gain values to reduce the effective movement distance and arm strain. When finer adjustments are needed, the system automatically increases gain to provide precision. This dynamic adaptation allows high precision when needed while reducing arm strain during broader gestures.
Data Source
AI summary
Methods, devices, and processor-readable media for adjusting the control-display gain of a gesture-controlled device are described. Adjusting the control-display gain may facilitate user interaction with content or UI elements rendered on a display screen of the gesture-controlled device. The control-display gain may be adjusted based on a property of how a mid-air dragging gesture is being performed by a user's hand. The property may be the location of the gesture, the orientation of the hand performing the gesture, or the velocity of the gesture. A hand that becomes stationary for a threshold time period while performing the dragging gesture may adjust the control-display gain to a different level. Control-display gain may be set to a different value based on the current velocity of the hand performing the gesture. The control-display gain levels may be selected from a continuous range of values or a set of discrete values. Devices for performing the methods are described.