Gesture-Based User Identifier Generation via Touchscreen Mapping
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Solution Overview
Problem
The challenge lies in facilitating user identification and authentication on portable devices, such as smartphones, where small key sizes on virtual keyboards lead to inaccuracies and increased complexity due to the need for capital letters and numerals, resulting in errors during username and password entry.
Innovation Solution
A method that intercepts identification requests and replaces traditional alphanumerical input with gesture-based inputs pre-associated with user identifiers in a database, allowing users to input gestures on a touch screen or via device orientation, which are mapped to alphanumerical identifiers, enhancing configurability and reducing errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional keyboard input is used for user identification, then the interface is simple and familiar, but the small key size leads to input errors and reduced accuracy
Solution Approach 1:
The patent replaces the mechanical keyboard input system with a gesture-based input system using the touchscreen display. Users draw gestures on the screen instead of pressing physical or virtual keys, eliminating the accuracy problems associated with small key sizes while maintaining ease of operation through natural drawing motions.
Solution Approach 2:
The patent introduces a gesture recognition system as an intermediary between the user and the identification process. The gesture drawn on the touchscreen is captured and processed to retrieve the associated user identifier from a database, serving as a mediator that converts simple drawing actions into accurate identification input.
2Reliability
If passwords require capitals and numerals for security, then security is enhanced, but the number of selections increases and complexity rises
Solution Approach 1:
The patent changes the parameter of input method from character-by-character typing to gesture-based selection. Instead of requiring users to input complex passwords with capitals and numerals, the system uses gesture patterns that can represent user identifiers, reducing input complexity while maintaining security through the gesture-to-identifier mapping in the database.
3Measurement precision
If virtual keyboard keys are made larger to improve accuracy, then input accuracy improves, but the available screen area is reduced and layout becomes constrained
Solution Approach 1:
The patent transitions from a one-dimensional linear keyboard layout to a two-dimensional gesture drawing area on the touchscreen. Users can draw gestures across the entire screen area without being constrained by key sizes, allowing full utilization of the display area while maintaining high input accuracy through precise gesture recognition.
Data Source
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Figure 2a~2c
AI summary
The invention concerns a method for generating an identifier of a user for an application, the method being performed by a device of a user, the method comprising: - intercepting an identification request for an alphanumerical identifier from a first application; - providing a graphical user interface to invite the user to provide a gesture based input; - acquiring a first gesture based input from the user ; - using a database mapping gesture based inputs on alphanumerical identifiers to retrieve a first alphanumerical identifier based on the acquired first gesture based input; - in response to the identification request, providing the retrieved first alphanumerical identifier.