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Related Experiment Video

Updated: Jan 31, 2026

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Real-Time 3D Ultrasound Imaging with an Ultra-Sparse, Low Power Architecture.

Colin Marcus1, Md Osman Goni Nayeem1, Aastha Shah1

  • 1Media Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.

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Summary

This study introduces a new portable 3D ultrasound system using a convolutional optimally distributed array (CODA) and chirped data acquisition (cDAQ). The system achieves high-resolution, wide-angle imaging with reduced power consumption, enabling advanced diagnostic capabilities.

Keywords:
breast imagingchirp data acquisition systemreal‐time 3D imagingsparse arrayultrasound imaging

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Area of Science:

  • Medical Imaging
  • Biomedical Engineering
  • Ultrasound Technology

Background:

  • Resource-constrained volumetric ultrasound imaging demands compact, low-power, wide-angle 3D systems.
  • Current systems face challenges with high channel counts, bulky electronics, and significant power consumption.

Purpose of the Study:

  • To develop an end-to-end system architecture for high-resolution, real-time 3D ultrasound imaging in a portable form factor.
  • To reduce hardware complexity and power requirements for advanced ultrasound applications.

Main Methods:

  • Introduced a convolutional optimally distributed array (CODA) geometry, reducing elements from 1024 to 128.
  • Implemented a novel chirped data acquisition (cDAQ) architecture for enhanced imaging depth and reduced transmit amplitude.
  • Developed an associated new signal processing methodology.

Main Results:

  • Demonstrated deep imaging capability (> 11 cm) with high axial resolution (< 600 µm) and wide-angle imaging (57°).
  • Achieved a significant 29.6x reduction in power consumption and operated at a low drive voltage (18 V).
  • Successfully validated the system in vitro and in vivo human trials, detecting breast tumors and cysts.

Conclusions:

  • The novel architectural approach enables a new class of medical devices for enhanced diagnostics and long-term monitoring.
  • This technology paves the way for future wearable real-time 3D ultrasound systems.
  • The system offers a significant advancement in portable, high-performance ultrasound imaging.