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

Abstract

A novel 3D photoacoustic imaging technique is experimentally demonstrated using a $64\times 64$ 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.

© 2018 Optical Society of America

Singular value decomposition analysis of a photoacoustic imaging system and 3D imaging at 0.7 FPS

Michael B. Roumeliotis, Robert Z. Stodilka, Mark. A. Anastasio, Eldon Ng, and Jeffrey J. L. Carson
Opt. Express 19(14) 13405-13417 (2011)

Low-cost single-pixel 3D imaging by using an LED array

Eva Salvador-Balaguer, Pedro Latorre-Carmona, Carlos Chabert, Filiberto Pla, Jesús Lancis, and Enrique Tajahuerce
Opt. Express 26(12) 15623-15631 (2018)

Development and characterization of an omni-directional photoacoustic point source for calibration of a staring 3D photoacoustic imaging system

Michael Roumeliotis, Pinhas Ephrat, John Patrick, and Jeffrey J. L. Carson
Opt. Express 17(17) 15228-15238 (2009)

Photoacoustic imaging using the Hadamard transform technique

H. Coufal, U. Moller, and S. Schneider
Appl. Opt. 21(1) 116-120 (1982)

Backward-mode multiwavelength photoacoustic scanner using a planar Fabry-Perot polymer film ultrasound sensor for high-resolution three-dimensional imaging of biological tissues

Edward Zhang, Jan Laufer, and Paul Beard
Appl. Opt. 47(4) 561-577 (2008)