Motion-specific browsing method by mapping to a circle for personal video Observation with Head-Mounted Displays
Natsuki Hamanishi, Jun Rekimoto · 2021
Understanding the temporal changes of movement and posture in two-dimensional (2D) videos is not easy, leading users to repeat observations to understand them. However, the video interface relying on timeline representations, which depend on one’s memory, makes it hard more than necessary for a user to observe movements because they lack original motion information. Therefore, we propose a Motion Seek Circle as a user interface for Head-Mounted Displays. They visualize the motion in a video on a circle in three-dimensional space, representing temporal and spatial changes with trails and humanoid models. This automatically generated circle combined with a 2D video provides a visual overview of the movement. Our user test and study show proof of concept in a personal training context. Results indicate the proposed method is easily learnable for untrained people. By creating a visual overview of movements, we intend to solve traditional video-learning difficulties.