Dynamic Face Verification for Ride-Hailing Security

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Solution Overview

Problem

Existing methods for user verification in transportation services, such as ride-hailing, rely on static photos which can be easily manipulated, leading to inaccurate identification and potential security risks.

Innovation Solution

A method involving a communication apparatus that detects a user's face, instructs them to perform a specific action, validates the action, extracts a frame as an image, obtains image parameters, and sends the image to a server for comparison with database parameters to determine if the image is a genuine face.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If static photos are used for user verification, then the verification process is simple and quick, but the accuracy of identification is low and security risks increase

Engineering Contradiction:
Improveidentification accuracyVSAvoidverification process complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent transitions from static photo verification to dynamic video-based verification. The system captures real-time video footage of the user's face, analyzes facial landmarks, eye movements, and other dynamic characteristics to determine authenticity. This dynamic approach significantly improves identification accuracy while maintaining reasonable system complexity through automated processing.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent replaces the simple mechanical act of uploading a static photo with a more sophisticated optical and computational system. The verification process uses camera capture, video processing, facial recognition algorithms, and behavioral analysis to substitute the basic photo-upload mechanism, thereby improving security and accuracy.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If users can upload any photo for verification, then the ease of operation is high, but the reliability of verification decreases due to manipulated images

Engineering Contradiction:
Improveverification reliabilityVSAvoidphoto upload convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system provides immediate feedback to users during the verification process. It analyzes the uploaded photo or video in real-time, providing guidance on whether the submission meets authenticity requirements. The system can request retakes if manipulation is detected, creating a feedback loop that maintains reliability while preserving user convenience through clear communication.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent implements preliminary detection mechanisms that identify manipulated images before final verification. By analyzing metadata, pixel patterns, and facial characteristics in advance, the system prevents fraudulent submissions from completing the verification process, thereby maintaining reliability without significantly impacting legitimate users.

Inventive Principle:
Principle #9Preliminary anti-action

3Loss of information

If static profile photos are used, then the loss of information is minimal, but the ability to assist authorities in investigations is reduced

Engineering Contradiction:
Improveuser information retentionVSAvoidcrime investigation capability
Core Design Contradiction:
Loss of informationVSObject-generated harmful factors

Solution Approach 1:

The patent segments the verification data into multiple components: basic profile information, facial recognition data, video timestamps, device identifiers, and behavioral patterns. This segmentation allows the system to retain essential user information while separately preserving investigative data that can be provided to authorities when needed, balancing information retention with law enforcement capabilities.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The verification system nests multiple layers of information within the user profile. The outer layer contains basic profile data, while inner layers contain detailed verification evidence, video records, and metadata. This nested structure allows minimal information loss for daily operations while preserving deep layers of data that can assist investigations without exposing unnecessary information during normal use.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentUS12300022B2Method, server and communication system of verifying user for transportation purposes
Publication Date: 2025.05.13 GRABTAXI HOLDINGS PTE LTD
  • US12300022B2 patent drawing
  • US12300022B2 patent drawing
  • US12300022B2 patent drawing

AI summary

A method of verifying a user for transportation purposes is disclosed. The method may include using a communication apparatus to detect a face of the user. The method may include using the communication apparatus to instruct the user to perform a specific action, to validate that the specific action is performed by the user, to extract a frame from the specific action to use as an image, to obtain image parameters from the frame and to use the communication apparatus to send the image to a server for the server to determine whether the image is a genuine face by comparing the image parameters of the image with parameters in a database to obtain a comparison result and to use the comparison result to determine if the user should be verified.