Current issues in handheld augmented reality

Equipped with powerful processors, cameras for capturing still images and video, and a range of sensors capable of tracking location, orientation and motion of the user, modern smartphones offer a sophisticated platform for implementing handheld augmented reality (AR) applications. Despite the advances in research and development, implementing AR applications for the smartphone platform remains a challenge due to many open problems related to navigation, contextawareness, visualization, usability and interaction design, as well as content creation and sharing. This paper surveys a number of open challenges and issues, trade-offs and possible solutions in implementing handheld AR applications.