Random lasers and scattering media Open access Peer reviewed

Time-domain single-pixel imaging using ultrasound

Hiroka Otomo, Ryota Keyaki, S. Fukatsu

Applied Physics Express | Jul 7, 2026

Abstract

Abstract

Abstract Temporal ghost imaging (TGI) reconstructs temporal structures from correlations between illumination signals and bucket measurements, but conventional TGI requires full-waveform acquisition and numerical integration. Here, we introduce one-time-readout TGI (OTR-TGI) and compressed sensing (CS) to ultrasonic TGI. OTR-TGI performs temporal integration in the receiver circuit, enabling reconstruction from a single readout, while CS reduces the number of illumination patterns. Experiments demonstrate faithful temporal reconstruction with acceptable quality degradation and show that the required patterns can be reduced by approximately 30%, enabling more efficient ultrasonic temporal imaging.

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Authors

Researchers on this paper

Hiroka Otomo

first | The University of Tokyo

Ryota Keyaki

middle | The University of Tokyo | ORCID 0009-0006-5761-3889

S. Fukatsu

last | The University of Tokyo | ORCID 0000-0001-7624-9388

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Citation

BibTeX

@article{Otomo2026Time,
  title = {Time-domain single-pixel imaging using ultrasound},
  author = {Hiroka Otomo and Ryota Keyaki and S. Fukatsu},
  journal = {Applied Physics Express},
  year = {2026},
  doi = {10.35848/1882-0786/ae873c},
  url = {https://doi.org/10.35848/1882-0786/ae873c}
}

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