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In this paper we present a user study evaluating the benefits of geometrically correct user-perspective rendering using an Augmented Reality (AR) magic lens. In simulation we compared a user-perspective magic lens against the common device-perspective magic lens on both phone-sized and tablet-sized displays. Our results indicate that a tablet-sized display(More)
Potocki-Lupski syndrome (PTLS [MIM 610883]) is a recently recognized microduplication syndrome associated with 17p11.2. It is characterized by mild facial dysmorphic features, hypermetropia, infantile hypotonia, failure to thrive, mental retardation, autistic spectrum disorders, behavioral abnormalities, sleep apnea, and cardiovascular anomalies. In several(More)
We describe a framework and prototype implementation for unobtrusive mobile remote collaboration on tasks that involve the physical environment. Our system uses the Augmented Reality paradigm and model-free, markerless visual tracking to facilitate decoupled, live updated views of the environment and world-stabilized annotations while supporting a moving(More)
Hyperekplexia is a rare inherited neurologic disorder that is characterized by hypertonia and an exaggerated startle response to sudden external stimuli. Until now, 5 genes are known to be associated with hyperekplexia: GLRA1, SLC6A5, GLRB, GPHN, and ARHGEF9. In this report, we performed a clinical and genetic analysis of 4 Korean children with(More)
BACKGROUND AND PURPOSE Rufinamide (RUF) is a novel antiepileptic drug (AED) and its efficacy has been proven in Lennox-Gastaut syndrome (LGS). However, there is a lack of data regarding the efficacy in pediatric intractable epilepsies other than LGS. The purpose of the study was to explore the efficacy and tolerability of RUF in pediatric patients with(More)
BACKGROUND The first episode of central nervous system (CNS) symptoms with a presumed inflammatory demyelinating cause is defined as clinically isolated syndrome (CIS) according to the 2007 consensus of the International Pediatric Multiple Sclerosis Study Group, which developed diagnostic criteria for CNS demyelination disease in children. Using this(More)
It is extremely challenging to run controlled studies comparing multiple Augmented Reality (AR) systems. We use an AR simulation approach, in which a Virtual Reality (VR) system is used to simulate multiple AR systems. To investigate the validity of this approach , in our first experiment we carefully replicated a well-known study by Ellis et al. using our(More)
It is extremely challenging to run controlled studies comparing multiple Augmented Reality (AR) systems. We use an " AR simulation " approach, in which a Virtual Reality (VR) system is used to simulate multiple AR systems. In order to validate this approach, we carefully replicated a well-known study by Ellis et al. using our simulator, obtaining comparable(More)
In this paper, we investigate the validity of Mixed Reality (MR) Simulation by conducting an experiment studying the effects of the visual realism of the simulated environment on various search tasks in Augmented Reality (AR). MR Simulation is a practical approach to conducting controlled and repeatable user experiments in MR, including AR. This approach(More)