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Interest has flourished in studying both the spatial and temporal aspects of eye movement behavior. This has sparked the development of a large number of new methods to compare scanpaths. In the present work, we present a detailed overview of common scanpath comparison measures. Each of these measures was developed to solve a specific problem, but quantifies different aspects of scanpath behavior and requires different data-processing techniques. To understand these differences, we applied each scanpath comparison method to data from an encoding and recognition experiment and compared their ability to reveal scanpath similarities within and between individuals looking at natural scenes. Results are discussed in terms of the unique aspects of scanpath behavior that the different methods quantify. We conclude by making recommendations for choosing an appropriate scanpath comparison measure.

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YouMove is a novel system that allows users to record and learn physical movement sequences. The recording system is designed to be simple, allowing anyone to create and share training content. The training system uses recorded data to train the user using a large-scale augmented reality mirror. The system trains the user through a series of stages that gradually reduce the user's reliance on guidance and feedback. This paper discusses the design and implementation of YouMove and its interactive mirror. We also present a user study in which YouMove was shown to improve learning and short-term retention by a factor of 2 compared to a traditional video demonstration.

This paper presents an augmented reality-based interface for the training of myoelectric prostheses. The new interface provides users with a natural and intuitive method to develop the muscles used to control a myoelectric prosthetic. We conducted a study comparing the new system to existing methods and found the augmented reality-based system to be superior in a number of subjective dimensions (enjoyment, perceived effort, competency, and pressure). We also found no significant difference between the systems in terms of muscle control development. In addition to improving the training process, the new interface has the potential to mitigate psychological issues arising from amputation (self-image, phantom limb pain), which are problems that cannot be addressed by existing approaches.