Participant Stacking in Video Conferencing Layouts
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Solution Overview
Problem
Video conferencing systems face challenges in optimizing the layout to provide an intuitive and comprehensive representation of participants and collaboration material, especially in multi-site scenarios, where participants' movement and camera capture complexities lead to confusion and reduced feeling of presence.
Innovation Solution
The system employs a method to stack video segments of participants from multiple sites, using blending and shading to indicate importance and distance, while keeping the focus on collaboration material or a presenter, and incorporates directional audio to enhance perception, allowing for dynamic layout adjustments and seamless transitions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If participants are displayed in traditional video conferencing layouts, then the system is simple to implement, but the layout becomes confusing and reduces the feeling of presence in multi-site scenarios
Solution Approach 1:
The patent transitions from traditional 2D grid or array layouts to a 3D stacked arrangement where participant images are layered at different depths. This dimensional change allows multiple participants to be displayed simultaneously without creating visual confusion, as their spatial relationships are preserved through depth layering rather than simple side-by-side placement.
Solution Approach 2:
The patent implements a nested structure where participant images are stacked one behind another in a hierarchical arrangement. Smaller or less important participants are placed in the background layers while more prominent participants appear in foreground layers, creating a nested visual hierarchy that maintains intuitiveness while accommodating multiple sites.
2Quantity of substance
If the display focuses on collaboration material or presenter, then the importance of collaboration material is emphasized, but an overview of all participants is lost
Solution Approach 1:
The patent uses depth as a third dimension to simultaneously display collaboration material in the foreground while maintaining participant images in background layers. This allows the collaboration material to receive visual emphasis through foreground positioning while participants remain visible through the stacked arrangement, preventing information loss about any group member.
Solution Approach 2:
The display is segmented into multiple depth layers: foreground layer for collaboration material and presenter, middle layers for active speakers, and background layers for other participants. This segmentation allows different types of information to be displayed simultaneously at appropriate visual weights without interfering with each other.
3Loss of information
If camera capture covers all participants in multi-site scenarios, then complete participant representation is achieved, but movement and complexity lead to confusion
Solution Approach 1:
The patent segments the participant representation into multiple stacked image layers, where each layer corresponds to a specific depth or importance level. This segmentation allows the system to handle camera capture complexity by organizing images hierarchically rather than attempting a single comprehensive view, thereby maintaining completeness while reducing confusion.
Solution Approach 2:
The patent adds a depth dimension to the traditional 2D camera view, organizing participant images in three-dimensional stacked layers. This dimensional transformation allows complete participant representation from multiple sites while managing complexity through structured spatial arrangement rather than attempting a single complex perspective.
Data Source
AI summary
A method is provided in one example embodiment and includes receiving video data associated with a meeting in a video conferencing environment; and displaying a plurality of images of participants of the meeting around a presenter or around collaboration material such that an overview of the participants is rendered on a display. The presenter or the collaboration material is rendered near a middle portion of the display. At least some of the participants are at one or more locations, which are remote from the display.