We present a system designed to help blind people navigate around obstacles. Our system perceives the environment in front of the user using a depth camera (a Microsoft Kinect). The system identifies nearby structures from the depth map and uses sonification to convey obstacle information to the user. The system has undergone a formative evaluation… (More)
A quadricuspid aortic valve is rarely diagnosed in children, but it can be associated with significant aortic regurgitation. It is important for pediatric cardiologists to be aware of this pathologic entity. We present a nine-year-old male, diagnosed with a quadricuspid aortic valve and mild aortic regurgitation.