Hanstreamer: an Open-source Webcam-based Live Data Presentation System
Adrian Kristanto, Maxime Cordeil, Benjamin Tag, Nathalie Henry Riche,, Tim Dwyer

TL;DR
Hanstreamer is an open-source system that enables real-time, webcam-based interactive data visualization, supporting gestures, network visualization, and time-series exploration, compatible with online meeting platforms.
Contribution
It introduces the first webcam-based data presentation system supporting network visualization and interactive time-series data exploration.
Findings
Supports real-time gesture recognition for data interaction
Compatible with Zoom and Microsoft Teams
Enables interactive network and time-series visualizations
Abstract
We present Hanstreamer, a free and open-source system for webcam-based data presentation. The system performs real-time gesture recognition on the user's webcam video stream to provide interactive data visuals. Apart from the standard chart and map visuals, Hanstreamer is the first such video data presentation system to support network visualisation and interactive DimpVis-style time-series data exploration. The system is ready for use with popular online meeting software such as Zoom and Microsoft Teams.
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Taxonomy
TopicsVideo Analysis and Summarization · Multimedia Communication and Technology · Data Visualization and Analytics
