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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Stride: A flexible software platform for high-performance ultrasound computed tomography.

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Stride is a new open-source Python library simplifying complex ultrasound tomography computations. It accelerates research and clinical translation of advanced ultrasound imaging techniques.

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Area of Science:

  • Medical Imaging
  • Computational Science
  • Acoustics

Background:

  • Advanced ultrasound computed tomography (UCT) methods, such as full-waveform inversion, are computationally intensive and complex.
  • Lack of open-source libraries hinders adoption, research progress, and reproducibility in UCT.

Purpose of the Study:

  • To develop Stride, an open-source Python library for solving large-scale ultrasound tomography problems.
  • To overcome computational and algorithmic barriers in advanced UCT.

Main Methods:

  • Stride offers high-level interfaces for UCT optimization problems.
  • Integrates high-performance wave-equation solvers (generated via Devito) and parallelization routines (via Mosaic).

Main Results:

  • Wave-equation solvers demonstrate high accuracy compared to analytical solutions and state-of-the-art software.
  • Stride effectively handles 2D/3D tomographic problems and scales from local to high-performance computing environments.

Conclusions:

  • Stride empowers researchers to develop novel imaging algorithms and explore new physics efficiently.
  • Facilitates faster scientific advancement and clinical translation of UCT techniques.