AR Gesture Authentication System
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Solution Overview
Problem
Traditional user authentication methods in computer environments rely on two-dimensional displays and manual text entry, which are not suitable for vision-based, hands-free input and display devices, necessitating a more innovative approach for secure user verification.
Innovation Solution
A user authentication system utilizing an augmented reality device with a gesture analyzer and object renderer to recognize and modify virtual three-dimensional objects, comparing the modified shapes to authentication objects stored in a database for verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional two-dimensional display and manual text entry schemes are used for user authentication, then the system is simple to implement, but it is not suitable for vision-based hands-free input and display devices
Solution Approach 1:
The patent transitions from two-dimensional display and text entry to three-dimensional volumetric display with gesture-based interaction. Users manipulate virtual objects in 3D space using hand gestures, eliminating the need for traditional keyboards or touchscreens while enhancing compatibility with hands-free devices.
Solution Approach 2:
The patent replaces manual text entry (mechanical typing action) with gesture recognition and voice commands. The mechanical system of pressing keys is substituted with optical sensing of hand movements and acoustic signal processing, enabling hands-free operation.
2Reliability
If traditional alphanumeric passwords and picture passwords are used, then the authentication method is easy to operate, but the security level is limited
Solution Approach 1:
The patent enhances security by moving from 2D password entry to 3D gesture manipulation. Users perform complex spatial gestures to transform virtual objects, creating a higher-dimensional authentication space that is more difficult to replicate or hack while remaining intuitive for trained users.
Solution Approach 2:
The authentication system transitions from static password entry to dynamic gesture sequences. Users perform time-dependent motion patterns that must be executed in specific sequences, adding temporal complexity to the authentication process and significantly increasing security against replay attacks.
3Adaptability or versatility
If two-dimensional pattern tracing is used for authentication, then the system is simple to implement, but it cannot provide secure verification for hands-free devices
Solution Approach 1:
The patent replaces the mechanical action of tracing patterns on a 2D surface with optical sensing of 3D hand gestures in volumetric space. This substitution enables hands-free operation while the underlying pattern recognition algorithms maintain implementation simplicity through established computer vision techniques.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Provides a secure and hands-free user authentication method by leveraging three-dimensional depth sensors and augmented reality technology, enhancing security through complex shape recognition and reducing reliance on traditional text-based entry systems.
Implementation Method 1
the gesture analyzer is a three-dimensional depth sensor configured for converting a user's hand gesture into an associated change in the shape of the virtual three-dimensional object
Data Source
AI summary
A user authentication system includes an augmented reality device with a gesture analyzer configured for recognizing a user's gestures. The augmented reality device also includes an object renderer in communication with the gesture analyzer. The object renderer is configured for (i) rendering a virtual three-dimensional object for display to the user (ii) modifying the shape of the virtual three-dimensional object based upon the recognized gestures.