Location-Based Messaging Using Image Placeholders
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Solution Overview
Problem
Existing methods for leaving and reading messages using handheld devices, such as cellular phones, are not simple or convenient, particularly due to resource limitations and the need for specific technologies like GPS or QR codes, which do not enable direct information transfer between users effectively.
Innovation Solution
A method and system that uses a handheld device with image acquisition capabilities to identify and associate messages with objects in the physical environment, allowing users to create and share augmented messages by selecting objects with distinct features, storing them in a server, and enabling communication between users without proximity requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If GPS or QR codes are used for location-based messaging, then location accuracy is improved, but device complexity and resource consumption increase
Solution Approach 1:
The patent uses image capture to create a visual copy of the physical location rather than relying on GPS coordinates or QR codes. The captured image serves as a placeholder that uniquely identifies the location, eliminating the need for complex positioning systems while maintaining location accuracy through visual recognition.
Solution Approach 2:
The patent replaces mechanical and electronic positioning systems (GPS, QR code scanning) with an optical system using the camera. Instead of using satellite signals or coded patterns, the system uses image capture and recognition to determine location, simplifying the technical requirements to a basic camera function.
2Adaptability or versatility
If virtual graffiti systems are implemented, then location-based communication is enabled, but resource limitations of mobile phones are not addressed
Solution Approach 1:
The patent extracts only the essential function needed for location-based messaging from complex virtual graffiti systems. Instead of implementing full virtual reality or augmented reality capabilities, it uses simple image capture, server-side storage, and basic image recognition to achieve the core communication function with minimal resource consumption.
Solution Approach 2:
The system uses disposable, simple image placeholders rather than persistent, complex virtual objects. Each location is represented by a captured image that can be easily stored and retrieved, avoiding the need for maintaining complex virtual environments on mobile devices with limited resources.
3Use of energy by moving object
If specific virtual boards are required for message location, then resource limitations are addressed, but ease of operation deteriorates
Solution Approach 1:
The patent makes the camera universally applicable for all location-based messaging needs. Instead of requiring users to find and select from specific virtual boards, any physical location can serve as a message container by capturing an image of it. This universal approach eliminates the need for pre-defined message boards while maintaining resource efficiency.
Solution Approach 2:
The system allows any physical location to automatically become a message placeholder through image capture. The location itself serves the function of a message board without requiring manual configuration or selection of specific virtual boards, making the system self-configuring and easier to use.
Data Source
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AI summary
A method for providing location-based messages comprises locating a suitable placeholder for a message within a physical surrounding using a handheld device provided with image acquisition apparatus, and associating a written or visual or audio message, or a combination of two or more of them, with an image that identifies said placeholder, said association being carried out in a server adapted to communicate with said handheld device.