Service Control System for Secured Online Testing Access
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Solution Overview
Problem
Existing educational service platforms face challenges in securely controlling access to online testing services, preventing cheating and unauthorized content distribution across multiple devices, especially in Massive Open Online Courses (MOOCs) and other secured services.
Innovation Solution
A service control system that authorizes user access to secured online testing services by processing images captured by user devices, using access conditions specified by service owners, which can include facial recognition and geolocation verification, to ensure secure and controlled access without disrupting the user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If image processing and facial recognition are implemented for access authorization, then security against unauthorized access and cheating is improved, but system complexity and processing time increase
Solution Approach 1:
The patent introduces an intermediary authorization system that mediates between the user device and the testing service. This system processes images through multiple stages (capture, preprocessing, facial recognition, verification) and coordinates with service providers, creating a layered security architecture that enhances reliability while managing complexity through structured intermediation
Solution Approach 2:
The authorization process is segmented into distinct functional modules: image capture module, image preprocessing module, facial recognition module, verification module, and service coordination module. Each module handles a specific aspect of the authorization process, allowing independent optimization and reducing overall system complexity through modular design
2Reliability
If multiple images are captured and processed for authorization, then authorization reliability is improved, but processing time and user experience are worsened
Solution Approach 1:
The system performs preliminary actions by capturing and preprocessing images before the actual testing service begins. Facial recognition features are extracted and stored in advance, and verification is completed prior to service delivery, allowing the actual service to start without delay while maintaining high authorization reliability
Solution Approach 2:
The system implements periodic image capture during the testing service, taking images at scheduled intervals to continuously verify user identity. This periodic verification maintains authorization reliability throughout the service duration without requiring continuous processing, thus balancing reliability with time efficiency
3Reliability
If full-screen mode is used for service distribution, then control over accessible content is improved, but user interface flexibility is reduced
Solution Approach 1:
The browser interface operates in dynamic modes: full-screen mode is activated during secured testing to provide strict content control, while normal multi-window mode is available for non-secured services. The system dynamically switches between these modes based on service requirements, maintaining both content control reliability and interface flexibility across different operational contexts
Data Source
AI summary
A service control system controls access to secured online testing services, such as accredited or standardized tests, examinations in educational courses, tutoring services, and continuing professional development courses or seminars. The secured services may be published by an educational publishing platform and made available to users through online configured browser applications executing on the users' devices. Based on access conditions associated with a secured testing service and the capturing and processing of one or more images, the service control system determines how users are authorized to access the services. When users have been authorized to access a service or a subset of the service, the service may be distributed through the browser applications executing on the users' devices.