HMD Object Information Continuity via Preview Display
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Solution Overview
Problem
Head-mounted display (HMD) devices fail to maintain continuity in information display when an object image is not detected within the view angle, leading to user confusion, and may incorrectly display information if the object image is not detected, causing misunderstandings.
Innovation Solution
The HMD device is designed to separately display a contents image including an object image and its information even if the object image is not detected, ensuring continuity and correct association of information with the object, and to prevent overlap with external device images by controlling display positions and timings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the HMD device maintains display of information on an object image even when the object image is not detected, then continuity in providing information is improved, but the user may misunderstand the information as belonging to other object images
Solution Approach 1:
The HMD device displays a preview image of the object image that is captured before it enters the current view angle area. This preliminary display action allows the information to be shown continuously while maintaining accurate association with the correct object, preventing user misunderstanding when the object moves out of view.
2Loss of information
If the HMD device does not display information on an object image when the object image is not detected, then information accuracy is improved, but continuity in providing information is lost causing user confusion
Solution Approach 1:
The system performs preliminary capture and display of the object image before it leaves the detection area. This allows the information to be maintained on screen with the preview image, ensuring continuity without sacrificing accuracy.
3Duration of action of moving object
If the HMD device displays contents image and information separately when object image is not detected, then information continuity is improved, but device complexity increases
Solution Approach 1:
The display area is segmented into different regions: one for displaying the current view angle area and another for displaying the preview image of the object that has moved out. This segmentation allows separate display of contents image and information while maintaining a relatively simple overall structure.
Data Source
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AI summary
A head mounted display (HMD) device according to one embodiment comprises a communication unit configured to transmit and receive data; a display unit configured to display visual information; a camera unit configured to capture an image; and a processor configured to control the communication unit, the display unit and the camera unit, wherein the processor is further configured to : detect an object image from a first image, which includes the object image, the first image being displayed in an external device located in an angle of view area of the camera unit, display information related to the object image, and display the first image in addition to the information when detecting that the first image is switched to a second image, which does not include the object image.