Virtual Device Feedback for Biometric Image Capture

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Solution Overview

Problem

Users face difficulties in capturing high-quality facial image data for biometric authentication due to improper positioning of smart devices, leading to increased time and costs for both users and authentication service providers.

Innovation Solution

A method and system where a computing device displays a virtual perspective view of itself, adjusting the display to guide users into an optimal position for capturing facial image data by calculating and providing real-time feedback on the device's orientation and position, ensuring the capture of trustworthy authentication transaction results.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If users hold the smart device at various positions (e.g., near waist), then ease of operation is improved, but image data quality deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidimage data quality
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The system displays a virtual computing device that provides real-time visual feedback to users about their holding position. The virtual device's orientation and position on the screen change dynamically based on the actual device's spatial orientation, guiding users to achieve the correct positioning for optimal image capture without requiring complex technical knowledge

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

A virtual computing device is introduced as an intermediary between the user and the actual device. This virtual representation serves as a mediator that translates complex positioning requirements into intuitive visual cues, helping users understand and achieve proper device orientation through a simplified interface

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If users look downwards while holding the device, then ease of operation is improved, but image data quality deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidimage data quality
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The virtual computing device displayed on the screen provides continuous visual feedback about the device's orientation relative to the user's face. By observing how the virtual device appears on the screen, users can intuitively adjust their holding position and gaze direction to achieve proper alignment for image capture

Inventive Principle:
Principle #23Feedback

3Reliability

If complex biometric data capture requirements are imposed, then authentication reliability is improved, but ease of operation deteriorates

Engineering Contradiction:
Improveauthentication reliabilityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

A virtual copy of the computing device is displayed on the screen, showing what the actual device looks like from different perspectives. This virtual copy simplifies the interaction by providing an intuitive visual representation that guides users through the capture process without requiring them to understand complex technical requirements

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The system uses visual changes in the displayed virtual computing device to communicate positioning status and guide users. By changing the appearance or position of the virtual device on the screen based on actual device orientation, the system provides intuitive visual cues that simplify the capture process while maintaining reliability

Inventive Principle:
Principle #32Color changes

Data Source

PatentUS10970576B2Methods and systems for capturing image data
Publication Date: 2021.04.06 DAON TECH
  • US10970576B2 patent drawing
  • US10970576B2 patent drawing
  • US10970576B2 patent drawing

AI summary

A method for capturing image data of a user is provided that includes displaying, by a computing device, a perspective view of a virtual computing device. Moreover, the method includes changing, by the computing device, the perspective view of the virtual computing device while the computing device moves, changing, by the computing device, the display of the virtual computing device to provide notification that the computing device is in an acceptable position for capturing image data of a user, and capturing, by a camera included in the computing device, facial image data of the user.