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Related Experiment Video

Updated: Feb 3, 2026

Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System
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Generation and Analysis of Ultrasound Images Using Plane Wave and Sparse Arrays Techniques.

Nivaldo T Schiefler1,2, Joaquim M Maia3,4, Fabio K Schneider5,6

  • 1Department of Electronics, Federal Institute of Education, Science and Technology of Santa Catarina (IFSC), Joinville 89220-618, SC, Brazil. nivaldo@ifsc.edu.br.

Sensors (Basel, Switzerland)
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This study introduces a new ultrasound imaging method using plane wave and sparse arrays. It effectively reduces data storage while maintaining high image quality and resolution for medical diagnosis.

Keywords:
image reconstructionplane wavesparse arraysultrasound

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Area of Science:

  • Medical Imaging
  • Biomedical Engineering
  • Ultrasound Technology

Background:

  • High-quality ultrasound imaging requires extensive data acquisition, processing, and storage.
  • Existing methods face challenges in managing large datasets for efficient medical diagnosis.

Purpose of the Study:

  • To evaluate a novel ultrasound imaging technique utilizing plane wave transmission and sparse array reception.
  • To enhance scan rates and minimize data storage requirements in ultrasound imaging.

Main Methods:

  • The proposed plane wave and sparse array method was tested using simulated (Field II) and experimental (Verasonics system, L11-4v transducer) data.
  • Transmission used 128 elements, while reception employed sparse arrays (128, 65, 44, 23 elements).
  • Image quality was assessed using Full Width at Half Maximum (FWHM) at -6 dB, comparing axial and lateral resolutions and contrast.

Main Results:

  • The sparse reception method achieved image resolutions (axial and lateral) and contrast comparable to conventional Delay and Sum (DAS) and commercial Verasonics systems.
  • Simulated and phantom data demonstrated the effectiveness of the proposed technique.

Conclusions:

  • The evaluated plane wave and sparse array ultrasound imaging technique is suitable for clinical applications.
  • This method offers a promising solution for efficient, high-quality ultrasound data acquisition and storage.