Toward a head movement‐based system for multilayer digital content exploration

In this article, we propose a novel technique based on Head Movement tracking to explore multilayer digital content. We extend an existing method by Kazemi et al. dealing with the extraction of facial landmarks to define the "head-gaze" of the user. We use the "head-gaze" to calculate the users' on-screen coordinates. Hovering the cursor over an interactive area for a given time threshold allows users to explore the next layer contents. Our experimental sessions allowed us to measure the technique's level of control and usability. Our results were promising, and users were able to interact with considerably small regions. Furthermore, our lightweight method can be used with a low-cost camera or webcam and a wide range of screen sizes and distances.