A System-on-Chip Solution for Point-of-Care Ultrasound Imaging Systems: Architecture and ASIC Implementation

In this paper, we present a novel system-on-chip (SOC) solution for a portable ultrasound imaging system (PUS) for point-of-care applications. The PUS-SOC includes all of the signal processing modules (i.e., the transmit and dynamic receive beamformer modules, mid- and back-end processors, and color...

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Bibliographic Details
Published in:IEEE transactions on biomedical circuits and systems 2016-04, Vol.10 (2), p.412-423
Main Authors: Kang, Jeeun, Yoon, Changhan, Lee, Jaejin, Kye, Sang-Bum, Lee, Yongbae, Chang, Jin Ho, Kim, Gi-Duck, Yoo, Yangmo, Song, Tai-kyong
Format: Article
Language:English
Subjects:
Algorithms
Apertures
Application-specific integrated circuit
Array signal processing
Data Compression
Delays
Dynamical systems
Dynamics
Equipment Design
Focusing
Humans
Image Interpretation, Computer-Assisted
Imaging
Lab-On-A-Chip Devices
Mathematical models
Modules
point-of-care
Point-of-Care Systems
portable ultrasound system
Processors
Radio frequency
System on chip
system-on-a-chip
Ultrasonography - instrumentation
Ultrasound
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Summary:In this paper, we present a novel system-on-chip (SOC) solution for a portable ultrasound imaging system (PUS) for point-of-care applications. The PUS-SOC includes all of the signal processing modules (i.e., the transmit and dynamic receive beamformer modules, mid- and back-end processors, and color Doppler processors) as well as an efficient architecture for hardware-based imaging methods (e.g., dynamic delay calculation, multi-beamforming, and coded excitation and compression). The PUS-SOC was fabricated using a UMC 130-nm NAND process and has 16.8 GFLOPS of computing power with a total equivalent gate count of 12.1 million, which is comparable to a Pentium-4 CPU. The size and power consumption of the PUS-SOC are 27×27 mm 2 and 1.2 W, respectively. Based on the PUS-SOC, a prototype hand-held US imaging system was implemented. Phantom experiments demonstrated that the PUS-SOC can provide appropriate image quality for point-of-care applications with a compact PDA size ( 200×120×45 mm 3 ) and 3 hours of battery life.
ISSN:1932-4545
1940-9990
DOI:10.1109/TBCAS.2015.2431272