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This work studies joint camera and robotic manipulator control for reaching tasks in complex environments with obstacles and occluders. We obviate the conventional challenges involved in complex perception, planning, and control modules and careful calibration for sensing and actuation and seek a solution leveraging deep reinforcement learning (DR   ...more

Purpose: The definitive diagnosis of necrotizing enterocolitis (NEC) is typically at an advanced stage, indicating the need for sensitive and noninvasive diagnostic modalities. Near infrared spectroscopy (NIRS) has been utilized to noninvasively measure intraabdominal tissue oxygenation and to diagnose NEC, but specificity is lacking, in part beca   ...more

Supercontinuum-laser illumination in conjunction with CO2-laser heating has been implemented to measure the near to short-wave infrared (970–1660 nm) diffuse reflectance of plasma-sprayed Nd2Zr2O7 as a function of temperature. Owing to the broadband nature of this experimental technique, the diffuse reflectance of plasma-sprayed Nd2Zr2O7 has been   ...more

In unilateral pelvic fracture reductions, surgeons attempt to reconstruct the bone fragments such that bilateral symmetry in the bony anatomy is restored. We propose to exploit this “structurally symmetric” nature of the pelvic bone, and provide intra-operative image augmentation to assist the surgeon in repairing dislocated fragments. The main ch   ...more

Purpose: Visual scanning by sighted individuals is done using eye and head movements. In contrast, scanning using the Argus II is solely done by head movement, since eye movements can introduce localization errors. Here, we tested if a scanning mode utilizing eye movements increases visual stability and reduces head movements in Argus II users. Me   ...more

We examine the potential for low-intensity focused ultrasound to non-invasively produce small (< 1mm3) focal acoustic fields for precise brain stimulation near the skull. Our goal is to utilize transcranial ultrasonic neuromodulation to transform communications and immersive gaming experiences and to optimize neuromodulation applications in med   ...more

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