Adaptive Display Control for Unstable Optical Communication
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Solution Overview
Problem
Existing information display devices struggle with readability when the reception condition of transmission from information sources is unstable, often resulting in intermittent display of information due to factors like passing pedestrians or trains, leading to deteriorated visibility and user discomfort.
Innovation Solution
An information display device with an imaging section, information processing section, and display control section that assesses the stability of communication information by analyzing brightness changes and error rates, adjusting the display mode to ensure continuous and stable information presentation, even in unstable conditions, by reducing the occupation area, altering font sizes, and prioritizing visible light sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If information is extracted and displayed from all information sources within the viewing angle, then the quantity of information displayed is increased, but readability is deteriorated when reception condition is unstable
Solution Approach 1:
The patent changes the display parameters (occupation area, font size, display mode) based on the stability parameter of the reception condition. When stability is high, normal display parameters are used; when stability is low, parameters are adjusted to maintain readability while continuing to display information from unstable sources.
2Duration of action of moving object
If information is continuously displayed from unstable information sources, then information availability is improved, but display stability is deteriorated causing blinking and readability deterioration
Solution Approach 1:
The patent implements dynamic display adjustment where the display characteristics change based on the detected stability of the reception condition. The system continuously monitors stability and adjusts display parameters in real-time, transitioning between different display states (normal, reduced occupation area, alternate display) to maintain both availability and stability.
3Reliability
If display mode is adjusted frequently to maintain readability, then readability is improved, but device complexity is increased
Solution Approach 1:
The patent implements a feedback mechanism where the reception stability is continuously monitored and fed back to the display control section. Based on this feedback, the system automatically adjusts display parameters without requiring complex manual control, achieving adaptive readability maintenance through automated feedback loops.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution significantly improves readability by ensuring information is consistently displayed, even under unstable reception conditions, reducing user discomfort and maintaining clear visibility, while adapting the display style based on the stability of the information source.
Implementation Method 1
an imaging section time-sequentially takes images
Data Source
AI summary
An information display device improves readability even in cases of an unstable reception condition when information is superimposed on taken images by means of optical space transmission and displayed on the taken images. An imaging section time-sequentially takes images. An information processing section extracts, from regions whose brightness changes with time in images taken, communication information containing information for display of each region based on changes in brightness of the region. The information processing section also generates stability information representing a degree of stability of a communication state of the communication information. A display control section superimposes the extracted information for display contained in the communication information of each region on the taken images, in a mode determined in accordance with the corresponding generated stability information, and displays the information for display superimposed on the images on a display device.