Recent updates of real-time clinical photoacoustic and ultrasound imaging system at POSTECH

Jeesu Kim; Eun-Yeong Park; Wonseok Choi; Seungwan Jeon; Byullee Park; Chulhong Kim

doi:10.1117/12.2506609

27 February 2019 Recent updates of real-time clinical photoacoustic and ultrasound imaging system at POSTECH

Jeesu Kim, Eun-Yeong Park, Wonseok Choi, Seungwan Jeon, Byullee Park, Chulhong Kim

Proceedings Volume 10878, Photons Plus Ultrasound: Imaging and Sensing 2019; 108785G (2019) https://doi.org/10.1117/12.2506609
Event: SPIE BiOS, 2019, San Francisco, California, United States

Abstract

We had developed a real-time clinical photoacoustic (PA) and ultrasound (US) imaging system by combining a programmable ultrasound machine and a wavelength-tunable laser. The system was able to acquire real-time images of biological tissue, but the user had to restart the image acquisition software to modify parameters for optimizing the images. We have recently updated the system to adjust imaging parameters in real-time by implementing a real-time parameter control software, which is compatible with the programmable platform of the US machine. To adjust the parameters of both PA and US images, we also implemented custom functional blocks including beamforming, frequency demodulation, log compression, decimation, scan conversion, and image display. To acquire real-time images, we performed all the calculations by using parallel processing with a graphic processing unit in US machine. The updated system has the great potential to be widely applied to a variety of clinical and preclinical applications because it allows real-time optimization of imaging parameters as well as visualizing the images in real-time.

Citation Download Citation

Jeesu Kim, Eun-Yeong Park, Wonseok Choi, Seungwan Jeon, Byullee Park, and Chulhong Kim "Recent updates of real-time clinical photoacoustic and ultrasound imaging system at POSTECH", Proc. SPIE 10878, Photons Plus Ultrasound: Imaging and Sensing 2019, 108785G (27 February 2019); https://doi.org/10.1117/12.2506609

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KEYWORDS

Imaging systems

Ultrasonography

Real time imaging

Photoacoustic spectroscopy

Biomedical optics

Blood vessels

Control systems

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