Video Call Self-View Projection to Resolve Screen Obstruction
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Solution Overview
Problem
Conventional portable terminals face difficulties in effectively facilitating video calls by allowing users to easily view the face of another user during the process.
Innovation Solution
A video call method and electronic device configuration that form a video call channel, output a screen with a first image, determine the display position of a second image based on image information, and control the display of the second image to ensure clear viewing of the counterpart's face without obstruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If both first image (counterpart's face) and second image (self-view) are displayed on the screen during video call, then the user can monitor their own appearance, but the second image may obstruct the view of the first image
Solution Approach 1:
The patent applies dimensionality change by transitioning from 2D screen space to 3D physical space. The second image is projected onto a surface (wall, ceiling, or object) in the physical environment rather than being confined to the 2D display screen. This spatial separation allows the user to view both the first image on the screen and the second image in the physical space simultaneously without mutual obstruction, effectively resolving the visibility conflict between self-monitoring and counterpart viewing.
Solution Approach 2:
The patent segments the display function into two separate channels: the first image remains on the electronic device's screen, while the second image is projected onto an external surface in the physical environment. This segmentation separates the visual information into different spatial locations and display mediums, allowing both images to be viewed simultaneously without interference, thus solving the obstruction problem while maintaining self-monitoring capability.
2Measurement precision
If the second image is displayed on the screen in a larger size for better visibility, then the self-view is clearer, but it occupies more screen space and blocks the first image
Solution Approach 1:
By projecting the second image to the physical environment rather than displaying it on the screen, the patent eliminates the competition for screen space. The projected image can be displayed at any size on external surfaces without reducing the area available for the first image on the screen, thus achieving high clarity for self-view while preserving full screen real estate for viewing the counterpart's face.
3Ease of operation
If the second image is displayed on the screen at all, then the user can see their own face, but the user's attention is divided between two images reducing focus on the counterpart's face
Solution Approach 1:
The patent uses spatial separation to address attention division. By projecting the second image to the physical environment (wall, ceiling, or object), the user's peripheral vision can capture self-monitoring information without requiring focal attention. This allows the user to maintain focus on the first image displayed on the screen while still being aware of their own appearance through the projected image, thus preserving attention on the counterpart's face.
Data Source
AI summary
A video call method is provided, including forming a video call channel in an electronic device, outputting a screen including a first image received through the video call channel, determining whether a second image being transmitted through the video call channel is displayed on the screen based on image information of the second image, and displaying the second image on the screen according to the determination, and an electronic device supporting the video call method.