Virtual Whiteboard Content Storage for Cross-Session Surface Recreation
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Solution Overview
Problem
Existing systems struggle to effectively convert and share content from physical surfaces to virtual whiteboards, especially in video conferences, limiting collaboration and annotation capabilities for remote users.
Innovation Solution
A system that captures physical surface content with metadata, converts it into virtual whiteboard format, and allows real-time annotation and projection back onto the physical surface, with data storage for session continuity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If physical surface content is converted to virtual whiteboard format, then remote users can annotate and collaborate in real-time, but system complexity increases due to conversion and projection requirements
Solution Approach 1:
The system introduces a virtual whiteboard as an intermediary layer between the physical surface and remote users. The physical surface content is captured and converted into virtual format, which then serves as the medium for remote annotation and collaboration. This intermediary enables seamless interaction without requiring direct connection between physical and virtual spaces.
Solution Approach 2:
The system creates a virtual copy of the physical surface content through image capture and conversion processes. This copy maintains the visual representation of the physical content while enabling digital manipulation, annotation, and transmission to remote users, thus bridging the physical-virtual gap.
2Duration of action of stationary object
If session data is stored for later retrieval and recreation, then collaboration continuity is improved, but data storage and management complexity increases
Solution Approach 1:
The system performs preliminary data capture and conversion during the whiteboard session, storing the virtual whiteboard content and metadata for future retrieval. This preliminary action ensures that when sessions need to be recreated or continued, the data is already prepared and available, reducing latency and complexity during recreation.
3Productivity
If real-time annotation and projection are enabled, then collaboration efficiency increases, but processing speed requirements and system resource consumption increase
Solution Approach 1:
The system maintains continuous processing of annotation data and projection updates throughout the whiteboard session. By keeping the data flow and processing pipeline active rather than batch-processing, the system ensures real-time responsiveness for collaboration while optimizing resource utilization through sustained operational state.
Data Source
AI summary
The present teachings provide a method and device of virtually sharing physical contents across multiple sessions. The teachings provide retrieving, from a data store, virtual whiteboard content derived from a first whiteboard session. The virtual whiteboard content includes first physical data from a physical surface, first virtual data from a virtual whiteboard, first metadata corresponding to one or both of the first virtual data or the first physical data. The virtual content is categorized based on the first metadata. The categorized virtual content is transmitted as an image stream according to the retrieved virtual whiteboard content to a client device in a location of the physical surface to cause the image stream to be presented on the physical surface or a second physical surface during a second whiteboard session. The data store is updated with second content elements obtained from the physical surface during the second whiteboard session.