Gesture Input System for Smart TV Using Camera Recognition
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Solution Overview
Problem
Conventional input devices like keyboards and mice are inconvenient for use in living rooms where TVs are installed, and wired devices like USB cables are restrictive and annoying.
Innovation Solution
A gesture-based input method using a camera to photograph user hand gestures, displaying virtual input devices like keyboards and mice on a screen, and executing commands based on recognized gestures, with optional depth recognition using multiple cameras.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional input devices like keyboards and mice are used, then command input functionality is provided, but ease of operation deteriorates in living room environments
Solution Approach 1:
The patent replaces mechanical input devices (keyboards, mice, remote controllers) with a gesture recognition system using cameras and image processing. The camera captures hand gestures, the controller processes images to recognize gestures, and executes corresponding commands, eliminating the need for physical input devices in living room environments.
Solution Approach 2:
The patent introduces an intermediary system consisting of camera, image processor, and gesture recognition software that mediates between the user's natural hand gestures and the TV system's command execution. This intermediary translates physical gestures into digital commands without requiring direct physical interaction with input devices.
2Reliability
If wired input devices like USB cables are used, then connection stability is improved, but device complexity and ease of operation worsen due to cable management
Solution Approach 1:
The patent replaces wired mechanical connections (USB cables) with wireless optical communication (camera-based gesture recognition). This eliminates physical cables while maintaining reliable command transmission through optical signal capture and digital processing, reducing device complexity and improving ease of operation.
3Adaptability or versatility
If simple remote controllers are used, then device complexity is reduced, but functionality and adaptability for smart TV operations deteriorate
Solution Approach 1:
The patent creates a universal gesture-based input system that can execute multiple types of commands (channel changing, volume control, menu navigation, etc.) through a single camera device. The system recognizes various hand gestures and maps them to different functions, providing multi-functionality without requiring multiple specialized input devices.
Solution Approach 2:
The system uses the user's own hands as the input interface, eliminating the need for external input devices. The camera captures the user's natural hand gestures, and the system automatically recognizes and executes the intended commands, making the user's body part (hand) serve as the input device itself.
Data Source
AI summary
Disclosure is a method of inputting commands into displays such as TVs or image processing devices. User's hands have been photographed through a camera to recognize the motion of the user's hands, so that commands are input according to the motion of user's hands instead of conventional input devices such as a mouse and a keyboard.