Head-Mount Display Singular Point Correction via Parallel Processing
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Solution Overview
Problem
Display devices, particularly head-mount displays, face challenges in displaying high-quality photographic images in real-time with low delay due to resource constraints and the presence of singular pixels caused by defective imaging elements, which deteriorate image quality and increase processing time.
Innovation Solution
A display device and method that includes a photographic image acquisition unit, singular point detection units, and correction units to identify and correct abnormal pixel values using adjacent pixel values, allowing for parallel processing and efficient output to a display panel, thereby minimizing delay and maintaining high image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If signal processing is performed to correct defective pixels, then image quality is improved, but processing time increases and resource consumption increases
Solution Approach 1:
The patent divides the image processing task into two distinct stages: a learning phase where defective pixel patterns are analyzed and stored, and a real-time phase where pre-learned correction rules are applied. This segmentation allows complex correction algorithms to be prepared in advance, reducing real-time processing requirements while maintaining high image quality.
Solution Approach 2:
The patent performs preliminary analysis of defective pixel patterns during a learning phase before actual image display. By pre-processing and storing correction rules in advance, the system eliminates the need for complex real-time calculations, thereby reducing processing time and resource consumption during live operation while still achieving accurate defect correction.
2Manufacturing precision
If real-time correction of singular pixels is performed with high precision, then image quality is improved, but resource consumption increases
Solution Approach 1:
The system performs preliminary learning and analysis of defective pixel characteristics before real-time operation. By pre-processing correction rules and storing them in memory, the patent eliminates the need for resource-intensive calculations during real-time display, achieving high correction precision with minimal resource consumption.
Solution Approach 2:
The patent creates a learned model or lookup table of correction rules during the learning phase, which is then copied and applied during real-time operation. This copying approach allows the system to use simple, pre-computed correction values instead of performing complex real-time analysis, thereby maintaining high precision while reducing resource consumption.
3Manufacturing precision
If complex signal processing is applied to correct defective pixels, then image quality is improved, but device complexity increases
Solution Approach 1:
The patent segments the correction system into a learning module that performs complex analysis offline, and a simple application module that executes real-time corrections using pre-computed rules. This segmentation transfers complexity from the real-time path to the offline learning phase, reducing device complexity while maintaining high correction accuracy.
Solution Approach 2:
By performing complex signal processing and pattern recognition in advance during the learning phase, the patent simplifies the real-time correction process. The preliminary action of creating correction lookup tables and rules eliminates the need for complex algorithms during operation, thereby reducing device complexity while preserving defect correction accuracy.
Data Source
AI summary
Provided is a display device including a photographic image acquisition unit that acquires data regarding a photographic image to be displayed, a plurality of singular point detection units that each determine whether or not an allocated target pixel in the photographic image is a singular point which has an abnormal value, a plurality of correction units that each correct a pixel value by using values of adjacent pixels when the allocated target pixel is the singular point, and an output unit that outputs data regarding an image in which a pixel value of the singular point has been corrected, to a display panel.