Explore a novel user interface that employs 3D visualization to enhance understanding of complex group activities captured in multiple first-person videos. Dive into the research presented at the ACM International Conference on Interactive Surfaces and Spaces, which aims to assist viewers in comprehending collaborative relationships within group activities. Learn how the interface visualizes 3D positions and orientations of individual workers wearing head-mounted cameras, alongside a reconstructed 3D model of the workspace. Discover the advantages of this approach in providing geometric information and improving the accuracy of understanding group dynamics. Examine the research topic, target scenarios, and potential disadvantages of the system. Investigate the application of this technology in various contexts, including video therapy and collaborative tasks. Follow the user study conducted to evaluate the effectiveness of the 3D visualization, including experimental conditions and task visualizations. Analyze the results and explore potential use cases for this innovative approach to video browsing and analysis. Read more