Remote Image Verification for Electronic Displays
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Solution Overview
Problem
Existing screen capture systems for electronic displays in public locations lack efficient image validation and verification mechanisms, particularly for advertising content, which hinders client verification and storage processes.
Innovation Solution
An electronic display system connected with a timing and control board (TCON) and a video player, utilizing a processor to direct a screen capture device to take time and date-stamped screenshots or video clips of displayed images or videos, which can be stored locally or remotely, and transmitted to clients via a network, with optional compression to manage memory and network usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If screen captures are stored without compression, then image quality and verification accuracy are improved, but memory usage and storage requirements increase
Solution Approach 1:
The patent applies compression algorithms to transform the screen capture data from an uncompressed state to a compressed state, changing the data parameters while maintaining verifiable integrity. This resolves the contradiction by reducing storage requirements through parameter transformation (compression) while preserving the essential verification capabilities through selective retention of key image data characteristics.
2Ease of operation
If screen captures are transmitted frequently to clients, then verification accessibility is improved, but network bandwidth consumption increases
Solution Approach 1:
The system implements periodic transmission of screen captures to clients based on predetermined intervals or triggers rather than continuous transmission. This resolves the contradiction by providing regular verification updates (maintaining accessibility) while reducing overall network traffic (conserving bandwidth) through time-based scheduling of data transmissions.
Solution Approach 2:
The patent extracts and transmits only the essential verification data elements to clients rather than transmitting complete high-resolution screen captures. This resolves the contradiction by providing sufficient verification information (maintaining accessibility) while significantly reducing the data volume transmitted over the network (conserving bandwidth).
3Speed
If complete screen captures are stored locally, then verification speed is improved, but device storage capacity is consumed
Solution Approach 1:
The system stores compressed versions of screen captures that occupy minimal storage space, accepting that these are simplified representations rather than complete originals. This resolves the contradiction by enabling fast verification (speed) through stored data while using minimal storage capacity, effectively treating the stored data as lightweight verification tokens rather than full-resolution images.
Data Source
AI summary
A system and method for remotely verifying images shown on an electronic display is provided. A video player is electrically connected to the electronic display and causes the images to be displayed thereon. A processor directs a screen capture device to take a screen capture when a particular image is scheduled to be shown on the electronic display. The screen capture is stored on an electronic storage device and may be transferred to a networked database via a network connection device. A client may be able to access the screen captures through a user interface in connectivity with the networked database.