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Acoustical ghost imaging
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DOI：10.1063/5.0015810.png)
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Abstract
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Ghost imaging, which is an indirect imaging technique that uses correlations between two beams to retrieve the information of an object, is applicable to any wavelength. It has been performed with a growing range of light sources, including x-rays, the visible, and the infrared, and has also been extended to atoms and electrons recently. In this Letter, we demonstrate acoustical ghost imaging using the correlation between random acoustic patterns, which are generated by the phase and delaying manipulation of a transducer array and the total transmitted intensity signals. Furthermore, the reconstruction quality and resolution can be further improved by compressed sensing. This study shows a demonstration of ghost imaging using mechanical waves. Moreover, this approach requires fewer computational resources and offers great promise for high-speed and high-resolution acoustical imaging. Published under license by AIP Publishing.
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