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Sci Adv. 2017 Dec 8;3(12):e1701423. doi: 10.1126/sciadv.1701423. eCollection 2017 Dec.

Compressive 3D ultrasound imaging using a single sensor.

Author information

1
Thoraxcenter-Biomedical Engineering, Erasmus Medical Center, 3000 CA Rotterdam, Netherlands.
2
Faculty of Applied Sciences-Imaging Physics, Delft University of Technology, 2600 AA Delft, Netherlands.
3
Faculty of Electrical Engineering, Mathematics and Computer Science-Micro Electronics, Delft University of Technology, 2628 CD Delft, Netherlands.
4
Department of Experimental Medical Instruments, Erasmus Medical Center, 3015 CN Rotterdam, Netherlands.

Abstract

Three-dimensional ultrasound is a powerful imaging technique, but it requires thousands of sensors and complex hardware. Very recently, the discovery of compressive sensing has shown that the signal structure can be exploited to reduce the burden posed by traditional sensing requirements. In this spirit, we have designed a simple ultrasound imaging device that can perform three-dimensional imaging using just a single ultrasound sensor. Our device makes a compressed measurement of the spatial ultrasound field using a plastic aperture mask placed in front of the ultrasound sensor. The aperture mask ensures that every pixel in the image is uniquely identifiable in the compressed measurement. We demonstrate that this device can successfully image two structured objects placed in water. The need for just one sensor instead of thousands paves the way for cheaper, faster, simpler, and smaller sensing devices and possible new clinical applications.

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