Display Control for Blind Spot Content Relocation
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Solution Overview
Problem
In digital signage systems, operators often stand in front of the display, creating a blind spot area that obstructs content visibility for individuals behind them, as existing technologies do not effectively address the issue of content visibility for secondary users located farther away.
Innovation Solution
An electronic whiteboard system that detects blind spot areas and displays relevant content from these areas on a part of the display surface not obstructed by the operator, using a combination of sensors and processing units to determine the location of both the operator and secondary users, and then controls the display to show the content in a visible area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the operator stands near the display surface to operate the digital signage, then the operator can easily interact with the display, but a blind spot area is created that obstructs content visibility for individuals behind the operator
Solution Approach 1:
The system creates a virtual copy of the blind spot area and displays it in a visible region. The display control unit generates a virtual image containing content from the blind spot area and outputs it to a visible region, allowing the second user to see content that would otherwise be obscured by the operator's body
Solution Approach 2:
The system maps the two-dimensional blind spot area to another two-dimensional visible region on the display surface. By detecting the blind spot area's coordinates and transforming them to a visible region's coordinates, the system effectively relocates obscured content to a different spatial dimension on the display that is accessible to the second user
2Adaptability or versatility
If the display surface is used to show content in the blind spot area, then the operator can write and interact freely, but the second user cannot visually recognize that content
Solution Approach 1:
The system creates a virtual copy of the blind spot area and displays it in a visible region. The display control unit generates a virtual image containing content from the blind spot area and outputs it to a visible region, allowing the second user to see content that would otherwise be obscured by the operator's body
Solution Approach 2:
The system introduces an intermediary processing layer between the operator's writing actions and the second user's viewing. The image processing unit detects the blind spot area, determines its coordinates, and transforms them to a visible region's coordinates through coordinate transformation, acting as a mediator that bridges the gap between obscured content and visible display
Data Source
AI summary
An apparatus, a method, and a control program stored in a non-transitory recording medium, for controlling display, each of which: displays one or more contents in a displayable area of a display, in response to an operation received from a first user; determines a part of the displayable area hidden by the first user, as a blind spot area for a second user, the second user locating farther from the display than the first user; detects a written content written in the blind spot area; determines at least one related content related to the written content that is detected, from the one or more contents displayed on the display; and controls the display to display the written content written in the blind spot area, and the related content related to the written content, in a part of the displayable area other than the blind spot area.