Ultrasound-assisted aberration correction of transcranial photoacoustic imaging based on angular spectrum theory.

Qiuqin Mao, Yingjie Feng, Chao Tao, Xiaojun Liu

Abstract read

In one paragraph

Article in Photoacoustics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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3 · Its place in the literature

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1 citing paper in PubMed.

Water-sensitive photoacoustic temperature characterization at 960 nm in cerebral vascular phantoms with CT co-registration.Photoacoustics · 2026
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5 · Who and what money

Authors and funding

4 authors.

Qiuqin MaoMinistry-of-Education Key Laboratory of Modern Acoustics, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

Yingjie FengMinistry-of-Education Key Laboratory of Modern Acoustics, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

Chao TaoMinistry-of-Education Key Laboratory of Modern Acoustics, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

Xiaojun LiuMinistry-of-Education Key Laboratory of Modern Acoustics, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To correct the refraction aberration induced by the skull in photoacoustic imaging, a method for phase distortion compensation is proposed based on the angular spectrum theory with the aid of ultrasonic signals. This method first updates the speed of sound distribution by iteratively performing aberration correction in the ultrasonic reconstruction. Then the speed of sound distribution obtained with ultrasound-assisted serves as prior knowledge to address phase distortion compensation by adjusting the phase shift factor of the wavefront in different media. Finally, the aberration-corrected ultrasonic-photoacoustic dual-modality image can be obtained. Numerical simulations and phantom experiments confirm the effectiveness of this method. Specifically, in simulations, the position error of the proposed method is reduced from -13.61 % to 1.27 % in depth compared to the method based on the reconstruction with constant speed. Moreover, a real ex-vivo rabbit skull experiment illustrates the potential biological application of the proposed method in transcranial photoacoustic imaging.

Indexed as

Aberration correctionAngular spectrumPhase distortionTranscranial photoacoustic imagingUltrasound-assisted

Identifiers

PMID39649139

DOI10.1016/j.pacs.2024.100665

PMCPMC11624500

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