Head Tracking Reduces Saccadic Breakup in Field Sequential Displays
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Solution Overview
Problem
Multi-layer display systems face issues with saccadic breakup, which occurs when viewer head or eye movements cause color fringes and degrade the viewing experience, especially in field sequential displays where red, green, and blue images are rapidly sequenced.
Innovation Solution
Integration of a head and/or eye movement tracking unit within the multi-layer display system to adjust color saturation values in real-time, allowing the processing system to adjust the color saturation of display fields based on detected viewer movement, thereby minimizing or eliminating saccadic breakup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If field sequential display technique is used to display images, then color information can be displayed in rapid succession, but saccadic breakup occurs when the viewer's head moves causing color fringes and degraded viewing experience
Solution Approach 1:
The patent applies dynamics by making the display system adaptive to viewer movement. The head tracking device continuously monitors viewer position and the processing system dynamically adjusts the display timing and content based on detected movement, transforming a static field sequential display into a dynamic system that responds to viewer behavior to eliminate saccadic breakup
Solution Approach 2:
The patent implements feedback through a closed-loop system where the head tracking device provides continuous information about viewer position and movement to the processing system. This feedback enables real-time adjustments to the field sequential display timing and content, allowing the system to compensate for head movements and prevent color fringe formation
2Object-affected harmful factors
If head tracking and real-time color saturation adjustment is implemented, then saccadic breakup is reduced or eliminated, but device complexity increases
Solution Approach 1:
The patent applies universality by integrating multiple functions into a unified system. The processing system performs both image generation and movement-based adjustment functions, while the head tracking device provides data used for both timing adjustments and color saturation modifications, reducing the need for separate dedicated components
Solution Approach 2:
The patent implements parameter changes by dynamically modifying display parameters (timing intervals and color saturation levels) based on detected head movement. Rather than adding complex hardware, the system adjusts software-controlled parameters in real-time to compensate for movement and eliminate saccadic breakup
Data Source
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AI summary
A multi-layer display system for displaying 3D images with reduced saccadic breakup includes a plurality of display screens arranged in a substantially parallel and overlapping manner, and a processing system. The processing system is configured to minimize or prevent saccadic breakup of displayed images by detecting head and/or eye movement of a viewer, and accordingly controlling color saturation of display fields when movement of head and/or eye is detected.