3D photoacoustic imaging using Hadamard-bias encoding with a crossed electrode relaxor array

Chris Ceroici; Katherine Latham; Ryan Chee; Ben Greenlay; Quinn Barber; Jeremy A. Brown; Roger Zemp

doi:10.1364/OL.43.003425

3D photoacoustic imaging using Hadamard-bias encoding with a crossed electrode relaxor array

Chris Ceroici, Katherine Latham, Ryan Chee, Ben Greenlay, Quinn Barber, Jeremy A. Brown, Roger Zemp

Medicine

Medicine

Résultat de recherche: Article › examen par les pairs

12 Citations (Scopus)

Résumé

A novel 3D photoacoustic imaging technique is experimentally demonstrated using a 64 × 64 element bias-sensitive crossed-electrode relaxor array. This technique allows for large 2D arrays to receive across all elements while using minimal channel counts. Hadamard-bias patterns are applied to column electrodes while signals are measured from row electrodes. Photoacoustic signals are measured from a crossed-wire phantom in an intralipid scattering medium. The Hadamard-bias-encoded imaging scheme showed a signal-to-noise (SNR) of 25.3 dB, while the single-column biasing strategy (or identity-matrix-bias pattern) showed a SNR of 8.8 dB.

Langue d'origine	English
Pages (de-à)	3425-3428
Nombre de pages	4
Journal	Optics Letters
Volume	43
Numéro de publication	14
DOI	https://doi.org/10.1364/OL.43.003425
Statut de publication	Published - juill. 15 2018

Note bibliographique

Funding Information:
Funding. Natural Sciences and Engineering Research Council of Canada (NSERC) (EGP 499235-16, RGPIN 355544, STPGP 494293-16); Prostate Cancer Canada (PCC) (PCC MVBRDG D2015-04); Canadian Institutes of Health Research (CIHR) (CPG 134739, PS 153067).

Funding Information:
Acknowledgment. The authors gratefully acknowledge Micralyne Inc. and CMC Microsystems. C. Ceroici acknowledges graduate student scholarships from NSERC and Alberta Innovates Technology Futures.

Publisher Copyright:
© 2018 Optical Society of America

ASJC Scopus Subject Areas

Atomic and Molecular Physics, and Optics

Accès au document

10.1364/OL.43.003425

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abstract = "A novel 3D photoacoustic imaging technique is experimentally demonstrated using a 64 × 64 element bias-sensitive crossed-electrode relaxor array. This technique allows for large 2D arrays to receive across all elements while using minimal channel counts. Hadamard-bias patterns are applied to column electrodes while signals are measured from row electrodes. Photoacoustic signals are measured from a crossed-wire phantom in an intralipid scattering medium. The Hadamard-bias-encoded imaging scheme showed a signal-to-noise (SNR) of 25.3 dB, while the single-column biasing strategy (or identity-matrix-bias pattern) showed a SNR of 8.8 dB.",

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AU - Barber, Quinn

AU - Brown, Jeremy A.

AU - Zemp, Roger

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3D photoacoustic imaging using Hadamard-bias encoding with a crossed electrode relaxor array

Résumé

Note bibliographique

ASJC Scopus Subject Areas

Accès au document

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Empreinte numérique

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