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In this paper, we explore the design of various types of graphical menus via a mobile phone for use in a wearable augmented reality system. For efficient system control, locating menus is vital. Based on previous relevant work, we determine display-, manipulator-and target-referenced menu placement according to focusable elements within a wearable augmented reality system. Moreover, we implement and discuss three menu techniques using a mobile phone with a stereo headmounted display.

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Medical skill education has been scaled down due to the COVID-19 pandemic. In particular, the decrease in CPR skill training has caused the quality of medical services to deteriorate. While new online education methods have emerged, few studies exist on online teaching and its effects. Since the online teaching of medical skills presents several challenges for instructors, it has not been as effective as face-to-face training. This study designed a new remote system focusing on medical skill education. The proposed video-based application prototype uses an IoT device to measure CPR performance metrics and provides real-time data to users. It was tested using the Kano model on a small group of subjects. The effects of skill training were analyzed quantitatively and qualitatively. A comparative analysis of the remote group and face-to-face group revealed similar average values for appropriate compression depth. In other categories, the remote group fared poorer than the face-to-face group. Considering the high scores given to system usability in the USE survey, remote education shows promise as an alternative to face-to-face education. The significance of this study lies in being the first to develop and test a remote education system for medical skill training in the age of COVID-19.