Image Capturing Device for 3D User Movement Input
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Solution Overview
Problem
Current user interfaces for electronic devices are complex and lack versatility, particularly in capturing natural user movements for input, limiting the precision and flexibility of input processes.
Innovation Solution
An information processing device equipped with an image capturing device that estimates movement in three-dimensional space, allowing for accurate detection and conversion of user movements into input values, enabling natural and intuitive input methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional user interfaces with multiple buttons and complex input systems are used, then device functionality can be expanded, but user interface complexity increases and ease of operation deteriorates
Solution Approach 1:
The patent replaces mechanical button presses and physical controller inputs with optical detection of user body movements. The image capturing device detects movement in three-dimensional space, and the control unit translates this into operational commands, eliminating the need for physical buttons and complex mechanical input systems while maintaining versatile device control
Solution Approach 2:
The patent transitions from two-dimensional screen-based interaction to three-dimensional spatial movement detection. By capturing movement in the depth direction in addition to horizontal and vertical movements, the system creates a new dimension of interaction that simplifies user input while expanding control capabilities
2Device complexity
If two-dimensional movement detection is used, then device complexity is reduced, but measurement precision of user input deteriorates
Solution Approach 1:
The patent enhances measurement precision by adding the depth direction to the detection dimensions. The image capturing device measures movement not only in horizontal and vertical directions but also in the depth direction, providing three-dimensional movement data that significantly improves input precision without proportionally increasing device complexity
Data Source
AI summary
An image acquisition unit of an information processing device acquires data for moving image including an image of a user and captured by an image capturing device. An initial processing unit determines correspondence between an amount of movement of the user and a parameter defining an image to be ultimately output in a conversion information storage unit. A tracking processing unit uses a particle filter to perform visual tracking in the moving image so as to estimate the magnification and translation amount of the user's head contour. The input value conversion unit converts the amount of movement of the user into the parameter defining an image using the magnification and the translation amount as parameters. The output data generation unit generates an image based on the parameter. The output control unit controls the generated image so as to be displayed on a display device.