Projector-HMD Overlap Control for Image Quality
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Solution Overview
Problem
Existing display systems face challenges in maintaining image quality when the size of the image to be displayed is increased, particularly in systems where an image is displayed on a projector and simultaneously viewed through a head-mounted display device.
Innovation Solution
A display system comprising a projector, a head-mounted display device, and a control device that detects overlapping ranges between the projector's display region and the head-mounted display device's display region, and generates synchronized first and second display images. The control device adjusts the display size and position of objects within these images based on the detected ranges and the distance between the projector and the head-mounted display device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the size of the image to be displayed is increased, then the coverage area is improved, but the image quality is degraded
Solution Approach 1:
The display system is divided into two independent display devices: a first display device for displaying a first display image and a second transmissive-type display device for displaying a second display image. This segmentation allows each device to maintain high image quality while collectively covering a larger area through coordinated operation.
Solution Approach 2:
The patent combines the output of two display devices to achieve both extended coverage area and maintained image quality. The control unit coordinates both display devices to display images that can be visually recognized through the second display device, merging their capabilities to resolve the contradiction between size and quality.
2Illumination intensity
If the image size is increased for better visual recognition, then the visibility is improved, but the detail quality deteriorates
Solution Approach 1:
By segmenting the display function between two devices, the system can display larger images with high detail quality on the first display device while the second display device provides additional visibility through its transmissive characteristics, maintaining detail quality even at increased sizes.
Solution Approach 2:
The control unit adjusts display parameters including the second display image being displayed at a position overlapping with the first display image when the first display region and second display region overlap. This parameter adjustment optimizes both visibility and detail quality by coordinating the display characteristics of both devices.
Data Source
AI summary
A system includes a projector, an HMD, and a control device. A detection unit detects a first range and a second range when a user visually recognizes a first display image through the HMD, the first range being a range of the first display region overlapping with a second display region in which the HMD displays a second display image, the second range being a range of the first display image corresponding to the first range. A generation unit generates the first display image including an object and the second display image including the object. The control device generates the first display image by arranging, at a position within the second range corresponding to a position of the second display region for displaying the object, the object having a display size corresponding to a distance between the first display region and the HMD.