Ada Zhang

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Enabling an ultrasound machine to scan the patient with an additional, new view of the external anatomy's 3D color surface combined with the traditional interior ultrasound image has the potential to revolutionize many areas such as plastic surgery and eye surgery that may benefit from visualization of ultrasound registered with the patient's surface.(More)
Parkinson disease (PD) is a neurodegenerative disorder afflicting more than 1 million aging Americans, incurring $23 billion in annual medical costs in the U.S. alone. Approximately 90% Parkinson patients undergoing treatment have mobility related problems related to medication which prevent them doing their activities of daily living. Efficient management(More)
— We present a novel and relatively simple method for clustering pixels into homogeneous patches using a directed graph of edges between neighboring pixels. For a 2D image, the mean and variance of image intensity is computed within a circular region centered at each pixel. Each pixel stores its circle's mean and variance, and forms the node in a graph,(More)
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