Vision-Based Item Selection Using 3D Hand Gesture Control
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Solution Overview
Problem
Existing user interfaces for selecting items from a screen, particularly in devices like televisions and game consoles, lack efficient methods for remote and intuitive item selection, especially in three-dimensional arrangements, leading to user inconvenience.
Innovation Solution
An item selecting apparatus that includes a movement detecting unit and a control unit, which measures object movement in x, y, and z axes to provide visual feedback and select items based on predetermined angles, patterns, and speeds, allowing for one-dimensional, two-dimensional, and three-dimensional item arrangements on a screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional cursor-based input apparatus is used to select items on a screen, then item selection can be achieved, but user convenience and intuitiveness are reduced, especially for remote operations
Solution Approach 1:
The patent replaces traditional mechanical cursor control devices with a vision-based optical system. A camera captures images of the user's hand or object movements in front of the screen, and image processing algorithms convert these visual movements into cursor control signals. This substitution eliminates the need for physical remote controllers or directional buttons, allowing users to simply move their hands naturally in front of the screen to navigate and select items, significantly improving ease of operation while reducing input device complexity
Solution Approach 2:
The system allows users to perform item selection using their own body movements (hand gestures) without requiring separate control devices. The vision system detects and interprets the user's natural hand movements directly, enabling the user's body to serve as the control interface. This self-service approach eliminates the need for external input apparatus and makes the interaction more intuitive and convenient
2Adaptability or versatility
If items are arranged in three-dimensional arrangements on a screen, then more items can be displayed and selection flexibility is improved, but difficulty in detecting and measuring movement for accurate selection increases
Solution Approach 1:
The patent extends traditional two-dimensional screen display to three-dimensional item arrangements by incorporating depth perception through vision-based technology. The camera system captures spatial information about hand movements in three-dimensional space, and the processing system maps these 3D movements to corresponding 3D item positions on the screen. This allows items to be arranged in volumetric displays or layered configurations, providing enhanced adaptability and versatility while maintaining accurate movement detection through multi-dimensional coordinate tracking
Solution Approach 2:
The system implements real-time feedback by continuously monitoring hand movements through the camera and providing visual feedback on the screen showing which item is currently selected or highlighted. The image processing system tracks the position and movement of the user's hand with high precision, and immediately reflects this on the screen by updating the cursor position or highlighting the corresponding item. This continuous feedback loop enables accurate selection in three-dimensional arrangements by allowing users to see their selection target in real-time, compensating for the increased complexity of 3D movement detection
Data Source
AI summary
An item selecting apparatus includes a movement detecting unit detecting a movement of a user, a screen displaying image information, a display image storage unit storing data to generate an image to be displayed on the screen, a display image generating unit generating an image to be displayed on the screen, and a control unit controlling so that a plurality of items is displayed on the screen in one of one-, two- and three-dimensional arrangements, in which the control unit receives a signal from the movement detecting unit to measure a movement of the object in at least one of x-, y- and z-axis directions and issues a command to select at least one from among the plurality of items or provides visual feedback thereto, in response to the measured movement of the user and in accordance with the arrangement of the plurality of items on the screen.