Image-Based Location Information Access System
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Solution Overview
Problem
Current methods for attaching information to real-world locations lack an efficient and user-friendly mechanism for both associating and accessing information using images, particularly in a distributed and conditional manner.
Innovation Solution
An electronic device and method that associates information with a first image and allows access using a second image containing a corresponding portion, utilizing image recognition and homography techniques to index and retrieve information, enabling distributed placement and access of digital content linked to specific locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If barcodes or RFID tags are attached to real world objects to associate information with locations, then information can be stored at locations, but the mechanism requires physical attachments or absolute positioning systems which reduce flexibility and user-friendliness
Solution Approach 1:
The patent uses image copies or representations of real-world locations stored in a database. Instead of requiring physical tags or complex positioning systems, the system captures images of locations, extracts features, and stores these as reference copies. Users can then access information by capturing images that match these stored copies, eliminating the need for physical attachments while maintaining location-specific information association.
Solution Approach 2:
The patent replaces mechanical attachment systems (barcodes, RFID tags) and complex absolute positioning systems with an optical/image-based system. By using image capture and feature matching algorithms, the system substitutes physical infrastructure with computational methods, reducing device complexity while improving adaptability and user-friendliness.
2Ease of operation
If information is stored centrally in a database, then access can be distributed to multiple users, but the system requires centralized control which may reduce responsiveness and increase access time
Solution Approach 1:
The system performs preliminary actions by pre-processing and storing image features, descriptors, and associated information in a centralized database during the information placement phase. When a user captures an image to access information, the system quickly compares features against pre-processed data, significantly reducing access time compared to real-time processing. This preliminary preparation enables fast distributed access while maintaining centralized control.
3Ease of operation
If image features are used to index information, then access can be more intuitive and user-friendly, but the image recognition and matching process increases computational complexity
Solution Approach 1:
The patent extracts only the essential and distinctive features from complete images for storage and matching purposes. Instead of storing or processing entire images, the system identifies and extracts key visual features (such as SIFT, SURF, or other distinctive point features) that are sufficient for location recognition. This extraction reduces the data volume and computational complexity while maintaining the intuitive image-based access interface for users.
Data Source
AI summary
An electronic device associates first information and at least a first portion of a first image, and uses a second image that includes a portion corresponding to at least the first portion of the first image to access the associated first information.