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Related Experiment Video

Updated: Jul 8, 2026

Patient-specific Modeling of the Heart: Estimation of Ventricular Fiber Orientations
12:09

Patient-specific Modeling of the Heart: Estimation of Ventricular Fiber Orientations

Published on: January 8, 2013

Automatic determination of LV orientation from SPECT data.

R Mullick1, N F Ezquerra

  • 1Inst. of Syst. Sci., Nat. Univ. of Singapore.

IEEE Transactions on Medical Imaging
|January 1, 1995
PubMed
Summary

A novel method accurately determines the left ventricle

Area of Science:

  • Medical Imaging
  • Computer Graphics
  • Cardiology

Background:

  • Accurate left ventricle (LV) pose determination is crucial for cardiac SPECT analysis.
  • Current methods may lack speed, robustness, or automation for routine clinical use.

Purpose of the Study:

  • To present a new, automated method for determining the LV pose from cardiac SPECT data.
  • To enable automatic definition of tomographic slices for enhanced visualization and quantification.

Main Methods:

  • The methodology involves two main steps: volume segmentation of cardiac SPECT data and topological goniometry.
  • Topological goniometry utilizes volume visualization and computer graphics for 3-D object shape determination.
  • An interactive graphical interface is provided for data and LV pose visualization.

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Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
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Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

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Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy
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Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy

Published on: December 1, 2023

Related Experiment Videos

Last Updated: Jul 8, 2026

Patient-specific Modeling of the Heart: Estimation of Ventricular Fiber Orientations
12:09

Patient-specific Modeling of the Heart: Estimation of Ventricular Fiber Orientations

Published on: January 8, 2013

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy
08:49

Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy

Published on: December 1, 2023

Main Results:

  • The algorithm successfully generates a 3-D curve representing the LV long-axis pose.
  • Experimental results on phantom and clinical data (50 technetium-99m, 74 thallium-201) demonstrate accuracy and robustness.
  • The technique is data-driven and expeditious.

Conclusions:

  • The proposed method provides an accurate, fast, and robust way to determine LV pose from cardiac SPECT.
  • This automated approach is suitable for routine clinical application, improving cardiac data analysis.