Research interface on a programmable ultrasound scanner
Research interface on a programmable ultrasound scanner
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DOI：
10.1016/j.ultras.2007.11.009
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发表时间：
2008-07-01
期刊：
影响因子：
4.2
通讯作者：
Kim, Yongmin
中科院分区：
文献类型：
--
作者：
Shamdasani, Vijay;Bae, Unmin;Kim, Yongmin
动机：过去的商用超声仪器无法为超声研究人员提供原始超声数据。这种能力的缺乏阻碍了新的超声算法和应用的评估和临床测试。目的：最近，我们开发了一个灵活的超声后端，所有常规超声模式的处理，如B、M、彩色流和光谱多普勒，都在软件中完成。后端已被整合到商用超声机中，即日立HiVision 5500。这项工作的目标是在后台开发一个超声研究接口，用于从机器获取原始超声数据。方法：将研究界面设计为超声后端软件模块。为了在有限的后端可用内存中增加原始超声数据的数量，我们开发了一种可以实时无损压缩超声数据的方法。结果与讨论：超声原始数据可以在任何常规超声模式下获得，包括双工和三工模式。此外，使用研究界面不会降低帧率或以其他方式影响机器的临床可用性。对超声数据进行实时无损压缩，可以使假脱机的数据量增加约2.3倍，从而在所有模式下都可以获得超过6s的超声原始数据。该接口不仅用于对来自幽灵的体外数据的新想法进行早期测试，而且还用于获取用于微调超声应用和进行临床研究的体内数据。我们提出了几个例子，说明新的超声应用，如弹性成像、振动成像和3D成像，是如何从这个研究界面中受益的。由于研究接口完全在软件中实现，因此它可以部署在现有的HiVision 5500超声机上，并且可以在未来轻松升级。结论：所开发的研究界面可以帮助研究人员对新的超声算法和应用进行快速检测和临床评价。此外，我们相信我们的方法将适用于设计其他超声机器的研究接口。(C) 2007 Elsevier B.V.版权所有
Motivation: Commercial ultrasound machines in the past did not provide the ultrasound researchers access to raw ultrasound data. Lack of this ability has impeded evaluation and clinical testing of novel ultrasound algorithms and applications.Objectives: Recently, we developed a flexible ultrasound back-end where all the processing for the conventional ultrasound modes, such as B, M, color flow and spectral Doppler, was performed in software. The back-end has been incorporated into a commercial ultrasound machine, the Hitachi HiVision 5500. The goal of this work is to develop an ultrasound research interface on the back-end for acquiring raw ultrasound data from the machine.Methods: The research interface has been designed as a software module on the ultrasound back-end. To increase the amount of raw ultrasound data that can be spooled in the limited memory available on the back-end, we have developed a method that can losslessly compress the ultrasound data in real time.Results and discussion: The raw ultrasound data could be obtained in any conventional ultrasound mode, including duplex and triplex modes. Furthermore, use of the research interface does not decrease the frame rate or otherwise affect the clinical usability of the machine. The lossless compression of the ultrasound data in real time can increase the amount of data spooled by similar to 2.3 times, thus allowing more than 6 s of raw ultrasound data to be acquired in all the modes. The interface has been used not only for early testing of new ideas with in vitro data from phantoms, but also for acquiring in vivo data for fine-tuning ultrasound applications and conducting clinical studies. We present several examples of how newer ultrasound applications, such as elastography, vibration imaging and 3D imaging, have benefited from this research interface. Since the research interface is entirely implemented in software, it can be deployed on existing HiVision 5500 ultrasound machines and may be easily upgraded in the future.Conclusions: The developed research interface can aid researchers in the rapid testing and clinical evaluation of new ultrasound algorithms and applications. Additionally, we believe that our approach would be applicable to designing research interfaces on other ultrasound machines. (C) 2007 Elsevier B.V. All rights reserved.