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- W4310561992 abstract "Photoacoustic image (PAI) quality improvement using a low frequency piezoelectric micromachined ultrasound transducer (PMUT) having the fundamental resonant frequency 1 MHz is being reported. Specifically, three different methods are implemented such as the frame averaging, mathematically improved algorithms, and a hardware position accurate arrangement in order to obtain unparallel PAI image quality. Validation study has been conducted in both agar phantom and ex-vivo tissue samples. Measurable image quantifiers in the form of full width at half maximum (FWHM), signal to noise ratio (SNR), and contrast ratio (CR) are used to evaluate the improvement in the image quality. It is found that the FWHM increases by 34%, SNR by 23% and CR by 25%, suggesting the efficacy of the methods to achieve better photoacoustic images employing PMUT-based detector. The study demonstrates that the suggested methods of improvement could play a key role in a promising cost-effective PMUT-PAI system in future." @default.
- W4310561992 created "2022-12-12" @default.
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- W4310561992 date "2022-11-30" @default.
- W4310561992 modified "2023-09-26" @default.
- W4310561992 title "Photoacoustic Image Quality Improvement from a Single Cell Low Frequency PMUT" @default.
- W4310561992 doi "https://doi.org/10.48550/arxiv.2211.17145" @default.
- W4310561992 hasPublicationYear "2022" @default.
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