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Computerized three-dimensional segmented human anatomy

I G Zubal1, C R Harrell, E O Smith

  • 1Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, Connecticut 06510.

Medical Physics
|February 1, 1994
PubMed
Summary
This summary is machine-generated.

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A detailed 3D human anatomy model was created from X-ray CT scans. This high-resolution voxel-based model serves as an anthropomorphic phantom for computer simulations.

Area of Science:

  • Medical Imaging
  • Anatomical Modeling
  • Computational Biology

Background:

  • Accurate anatomical models are crucial for medical simulations.
  • Previous models may lack sufficient resolution or detail.
  • X-ray computed tomography (CT) provides detailed anatomical data.

Purpose of the Study:

  • To create a high-resolution, 3D voxel-based model of human anatomy.
  • To develop a digital anthropomorphic phantom for computational modeling.
  • To enable advanced computer-based simulations of human physiology.

Main Methods:

  • Manual segmentation of 129 X-ray CT transverse slices from a living male human.
  • Reconstruction of CT images into a 512x512 matrix with 1 mm XY plane resolution.
  • Achieved Z-axis resolution of 1 cm (neck to midthigh) and 0.5 cm (neck to crown).

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Main Results:

  • A computerized 3D volume array of major internal structures was generated.
  • Each voxel is indexed to a specific organ or structure.
  • The model represents a high-resolution digital replica of human anatomy.

Conclusions:

  • The developed voxel-based volume array is a high-resolution anthropomorphic phantom.
  • This model is suitable for various computer-based modeling and simulation calculations.
  • It advances the capability for digital human modeling in research and development.