Architecture of an Ultrasound System for Continuous Real-Time High Frame Rate Imaging

被引：73
作者：
Boni, Enrico [1 ]
Bassi, Luca [1 ]
Dallai, Alessandro [1 ]
Meacci, Valentino [1 ]
Ramalli, Alessandro [1 ]
Scaringella, Monica [1 ]
Guidi, Francesco [1 ]
Ricci, Stefano [1 ]
Tortoli, Piero [1 ]
机构：
[1] Univ Florence, Dept Informat Engn, I-50139 Florence, Italy
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2017年 / 64卷 / 09期
关键词：
High frame rate (HFR); plane wave imaging; real-time; ULA-OP; LIMITED-DIFFRACTION BEAMS; DATA-ACQUISITION SYSTEM; IN-VIVO; TRANSIENT ELASTOGRAPHY; MEDICAL ULTRASOUND; RATE ULTRASONOGRAPHY; FREQUENCY-DOMAIN; FLOW; SCANNER; BRAIN;
D O I：
10.1109/TUFFC.2017.2727980
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
High frame rate (HFR) imaging methods based on the transmission of defocused or plane waves rather than focused beams are increasingly popular. However, the production of HFR images poses severe requirements both in the transmission and the reception sections of ultrasound scanners. In particular, major technical difficulties arise if the images must be continuously produced in real-time, i.e., without any acquisition interruption nor loss of data. This paper presents the implementation of the real-time HFR-compounded imaging application in the ULA-OP 256 research platform. The beam-former sustains an average output sample rate of 470 MSPS. This allows continuously producing coherently compounded images, each of 64 lines by 1280 depths (here corresponding to 15.7 mm width and 45 mm depth, respectively), at frame rates up to 5.3 kHz. Imaging tests addressed to evaluate the achievable speed and quality performance were conducted on phantom. Results obtained by real-time compounding frames obtained with different numbers of steering angles between +7.5 degrees and -7.5 degrees are presented.
引用
收藏
页码：1276 / 1284
页数：9
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