Gesture Control Video Display Device Using Trajectory Analysis
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Solution Overview
Problem
Smart TVs face limitations in recognizing user gestures for control operations, requiring combinations of gestures and being non-intuitive, making it difficult to input control amounts like volume adjustments with single gestures.
Innovation Solution
A video display device and operating method that acquires video of the user, recognizes gestures, calculates control amounts based on the recognized gestures, and performs corresponding control operations, allowing for single-gesture control of functions like volume adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the smart TV recognizes a combination of multiple gestures to provide control operations, then the control functionality is improved, but the ease of operation deteriorates because users have to memorize multiple gestures and the control method becomes non-intuitive
Solution Approach 1:
The patent changes the parameters of gesture recognition by transitioning from recognizing discrete gesture types to recognizing continuous gesture trajectories and extracting control information from the movement path. This allows a single gesture to encode multiple control parameters (operation type and control amount) without requiring users to learn multiple distinct gesture forms.
Solution Approach 2:
The patent adds a temporal and spatial dimension to gesture recognition by analyzing the trajectory and path of gesture movement rather than just the starting and ending positions. This dimensional expansion allows the system to distinguish between different control operations and amounts within a single continuous gesture, resolving the contradiction between functionality and ease of use.
2Ease of operation
If the smart TV uses only gesture recognition without additional input methods, then the operation simplicity is improved, but the measurement precision deteriorates because it is difficult to accurately input control amounts like volume adjustments
Solution Approach 1:
The patent applies dynamics by continuously tracking the gesture trajectory over time and using the movement path to dynamically determine control parameters. The control amount is derived from the extent and direction of movement along the trajectory, allowing precise control input while maintaining gesture-based simplicity. This dynamic approach replaces static gesture classification with continuous motion analysis.
Data Source
AI summary
A method of operating the video display device according to the embodiment of the present invention comprises acquiring a video of a video display device associated with a user; recognizing a gesture of the user in the acquired video; calculating a control amount with regard to the gesture based on the recognized gesture; and performing the control operation corresponding to the recognized gesture and the calculated control amount.