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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2022.3164371
|2 doi
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|a pubmed25n1130.xml
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|a (NLM)35377843
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Fu, Lei
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Synchronization of RF Data in Ultrasound Open Platforms (UOPs) for High-Accuracy and High-Resolution Photoacoustic Tomography Using the "Scissors" Programming Method
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 30.05.2022
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|a Date Revised 05.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Synchronization is important for photoacoustic (PA) tomography, but some fixed delays between the data acquisition (DAQ) and the light pulse are a common problem degrading imaging quality. Here, we present a simple yet versatile method named "Scissors" to help synchronize ultrasound open platforms (UOPs) for PA imaging. Scissors is a programed function that can cut or add a fixed delay to radio frequency (RF) data and, thus, synchronize it before reconstruction. Scissors applies the programmable metric of UOPs and has several advantages. It is compatible with many setups regardless of the synchronization methods, light sources, transducers, and delays. The synchronization is adjustable in steps reciprocal to the UOPs' sampling rate (20-ns step with a 50-MHz sampling rate). Scissors works in real-time PA imaging, and no extra hardware is needed. We programed Scissors in Vantage UOP (Verasonics, Inc., Kirkland, WA, USA) and then imaged two 30- [Formula: see text] nichrome wires with a 20.2-MHz central frequency transducer. The PA image was severely distorted by an 828-ns delay; over 90% delay was caused by our Q -switch laser. The axial and lateral resolutions are 112 and [Formula: see text], respectively, after using Scissors. We imaged a human finger in vivo, and the imaging quality is tremendously improved after solving the 828-ns delay by using Scissors
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|a Journal Article
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| 650 |
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|a Research Support, N.I.H., Extramural
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| 700 |
1 |
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|a Jin, Zhicheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Baiyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yim, Wonjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Zhuohong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Tengyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jokerst, Jesse V
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 69(2022), 6 vom: 01. Juni, Seite 1994-2000
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnas
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| 773 |
1 |
8 |
|g volume:69
|g year:2022
|g number:6
|g day:01
|g month:06
|g pages:1994-2000
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| 856 |
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|u http://dx.doi.org/10.1109/TUFFC.2022.3164371
|3 Volltext
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|d 69
|j 2022
|e 6
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|h 1994-2000
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