Context-Based Image Authentication for Mobile Devices
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Solution Overview
Problem
Existing technologies lack effective methods for utilizing context information in smartphones and wearable devices to establish secure transactions, authenticate devices, and manage social interactions based on contextual similarities and differences.
Innovation Solution
Implementing a system where smartphones and wearable devices use context parameters from sensors to generate and decode images or audio signals, enabling secure authentication and social interactions by matching contextual data between devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If context information is collected and processed for authentication and social interactions, then security and contextual relevance are improved, but device complexity and processing requirements increase
Solution Approach 1:
The patent segments context information processing into distinct modules: sensor data collection, context parameter extraction, image generation, and authentication verification. Each module handles specific tasks independently, reducing overall system complexity while maintaining security.
Solution Approach 2:
The patent introduces an intermediary image generation process that transforms context parameters into visual representations. This intermediary step simplifies the authentication process by providing a clear verification mechanism rather than direct complex data comparison.
2Reliability
If multiple context parameters are processed for device authentication, then authentication reliability is improved, but processing time and energy consumption increase
Solution Approach 1:
The patent performs preliminary processing of context parameters by generating images in advance of the actual authentication transaction. This preparation work is done beforehand, so when authentication is needed, the verification process is faster since the visual representation is already available.
Solution Approach 2:
The patent replaces direct comparison of complex sensor data with visual image comparison. The context parameters are transformed into images that can be quickly compared and verified, substituting a simpler visual recognition process for complex data analysis.
3Adaptability or versatility
If context information is used for social network interactions and friend requests, then user experience and contextual relevance are improved, but privacy concerns and data security requirements increase
Solution Approach 1:
The patent uses copied visual representations of context information rather than sharing the actual sensitive data. Images are generated from context parameters and shared for social interactions, allowing users to interact contextually without exposing private information.
Solution Approach 2:
The patent introduces images as an intermediary medium for social interactions. Instead of directly sharing context data between devices, the system generates visual representations that mediate the interaction, protecting user privacy while enabling contextual social features.
Data Source
AI summary
In one arrangement, a first device presents a display that is based on context data, derived from one or more of its sensors. This display is imaged by a camera in a second device. The second device uses context data from its own sensors to assess the information in the captured imagery, and makes a determination about the first device. In another arrangement, social network friend requests are automatically issued, or accepted, based on contextual similarity. In yet another arrangement, delivery of a message is triggered by a contextual circumstance other than (or in addition to) location. In still another arrangement, two or more devices automatically establish an ad hoc network (e.g., Bluetooth pairing) based on contextual parallels. In still another arrangement, historical context information is archived and used in transactions with other devices, e.g., in challenge-response authentication. A great number of other features and arrangements—many involving head-mounted displays—are also detailed.