Light-scanning hand-held photoacoustic probe design
Yongjian Zhao, Luyao Zhu, Hengrong Lan, Daohuai Jiang, Feng Gao and, Fei Gao

TL;DR
This paper introduces a novel light-scanning hand-held photoacoustic probe that captures multiple images from different locations, fuses them to enhance SNR, and simplifies image processing by eliminating registration needs.
Contribution
The paper presents a new adjustable hand-held PA probe design that enables multi-position imaging and fusion without registration, improving image quality and reducing processing time.
Findings
Fused PA images show 36-44% SNR improvement.
Multiple images acquired from different illumination areas.
No image registration needed due to fixed displacement.
Abstract
Significance: We proposed a new design of hand-held linear-array photoacoustic (PA) probe which can acquire multi images via motor moving. Moreover, images from different locations are utilized via imaging fusion for SNR enhancement. Aim: We devised an adjustable hand-held for the purpose of realizing different images at diverse location for further image fusion. For realizing the light spot which is more matched with the Ultrasonic transducer detection area, we specially design a light adjust unit. Moreover, due to no displacement among the images, there is no need to execute image register process. The program execution time be reduced, greatly. Approach: mechanical design; Montel carol simulation; no-registration image fusion; Spot compression. Results: Multiple PA images with different optical illumination areas were acquired. After image fusion, we obtained fused PA images with…
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Taxonomy
TopicsPhotoacoustic and Ultrasonic Imaging · Thermography and Photoacoustic Techniques · Nanoplatforms for cancer theranostics
