title: A System-on-Chip Solution for Point-of-Care Ultrasound Imaging Systems: Architecture and ASIC Implementation.
abstract: 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.
authors.forename: Jeeun
authors.initials: J
authors.lastname: Kang
authors.forename: Changhan
authors.initials: C
authors.lastname: Yoon
authors.forename: Jaejin
authors.initials: J
authors.lastname: Lee
authors.forename: Sang-Bum
authors.initials: SB
authors.lastname: Kye
authors.forename: Yongbae
authors.initials: Y
authors.lastname: Lee
authors.forename: Jin Ho
authors.initials: JH
authors.lastname: Chang
authors.forename: Gi-Duck
authors.initials: GD
authors.lastname: Kim
authors.forename: Yangmo
authors.initials: Y
authors.lastname: Yoo
authors.forename: Tai-kyong
authors.initials: TK
authors.lastname: Song
mesh_terms: D000465:Algorithms; D044962:Data Compression; D004867:Equipment Design; D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D056656:Lab-On-A-Chip Devices; D019095:Point-of-Care Systems; D014463:Ultrasonography / Q000295:instrumentation*