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• W2922678093 startingPage "3543" @default.
• W2922678093 abstract "The purpose of this paper is to present a more convenient and practical alternate way of increasing the lateral discrete array sampling while using a typical λ pitch linear array transducer at receive for photoacoustic tomography (PAT) application.We have employed a linear translation-based approach, in which the array transducer is translated by sub-pitch amount to create an augmented RF frame data having denser lateral spatial sampling. The denser λ/2 and λ/4 pitch data were reconstructed and compared against conventional λ pitch reconstructed PAT image using simulation and tissue mimicking phantom experiments in terms of improvements in resolution and contrast.The results from experiments demonstrate a 34.48% improvement in lateral resolution (LR), measured in terms of full-width at half-maximum of the lateral profile of point spread function, and a maximum of 7-dB improvement in contrast is achieved while using a λ/2-pitch configuration when compared to the conventional λ-pitch configuration.It was demonstrated that λ/2- and λ/4-pitch configurations result in better LR and contrast than λ-pitch configuration.Based on the results obtained, the proposed method has the potential to serve as an easy-to-integrate and simple way of achieving better image quality without requiring to increase the system complexity with existing transducer array probe technology in regular clinical scanners." @default.
• W2922678093 created "2019-04-01" @default.
• W2922678093 creator A5001350286 @default.
• W2922678093 creator A5007972781 @default.
• W2922678093 date "2019-12-01" @default.
• W2922678093 modified "2023-09-24" @default.
• W2922678093 title "Enhancing Image Quality of Photoacoustic Tomography Using Sub-Pitch Array Translation Approach: Simulation and Experimental Validation" @default.
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• W2922678093 doi "https://doi.org/10.1109/tbme.2019.2907559" @default.
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• W2922678093 hasPublicationYear "2019" @default.
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