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Related Concept Videos

Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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Related Experiment Video

Updated: Jun 28, 2026

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging
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An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging

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Deformable ultrasound registration without reconstruction.

Rupert Brooks1, D Louis Collins, Xavier Morandi

  • 1McGill University, Centre for Intelligent Machines. rupert.brooks@mail.mcgill.ca

Medical Image Computing and Computer-Assisted Intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
|November 6, 2008
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Summary

This study introduces a novel ultrasound (US) imaging registration method. Directly registering 2D US slices to preoperative images improves speed and accuracy over traditional 3D reconstruction techniques.

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Last Updated: Jun 28, 2026

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Area of Science:

  • Medical Imaging
  • Image Registration
  • Surgical Navigation

Background:

  • Interoperative ultrasound (US) imaging requires registration with preoperative data.
  • Current methods reconstruct 3D US volumes from 2D slices for registration.
  • This reconstruction step can be complex and limit adaptability.

Purpose of the Study:

  • To propose and evaluate a novel method for direct 2D ultrasound slice registration.
  • To demonstrate advantages over traditional 3D reconstruction-based registration.
  • To improve the accuracy and speed of interoperative image registration.

Main Methods:

  • Developed a system for direct registration of 2D ultrasound slices to preoperative images.
  • Utilized a slice-based registration approach, bypassing 3D volume reconstruction.
  • Compared the slice-based method against a reconstruction-based method using phantom data.

Main Results:

  • The proposed slice-based registration method demonstrated superior performance.
  • Achieved consistently higher accuracy compared to reconstruction-based methods.
  • Showed significant improvements in processing speed over traditional approaches.

Conclusions:

  • Directly registering 2D ultrasound slices is a more efficient and accurate approach.
  • This method offers advantages in adaptability and simplifies the registration workflow.
  • The findings support the use of slice-based registration for interoperative US imaging.