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Re: [SCIRUN-USERS] about SCIRun data

Chronological Thread 
  • From: Rob MacLeod <>
  • To: Nicolás Gutiérrez Pereira <>
  • Cc: Rob MacLeod <>,
  • Subject: Re: [SCIRUN-USERS] about SCIRun data
  • Date: Tue, 1 Oct 2019 21:46:40 -0600

Hi Nicolas,

The Utah torso model goes back to the early 1990’s when Chris Johnson and I published papers about it. It was created from an MRI scan of a male, about 18 years of age.  It has undergone many smoothing steps and various other modifications but still retains the same basic shape.  

We have since made a few other torso models and have a model building pipeline that allows us to go from images to mesh, definitely with some work in between!

C.R. Johnson, R.S. MacLeod, and P.R. Ershler. A computer model for the study of electrical current flow in the human thorax. Comp. in Bio. and Med., 22:305–323, 1992.

 R.S. MacLeod, C.R. Johnson, and M.A. Matheson. Visualizing bioelectric fields. IEEE Computer Graphics and Applications, 14(3): 10–12, 1993.

Almost prehistoric (-:


On Oct 1, 2019, at 09:35 , Nicolás Gutiérrez Pereira <> wrote:

Hi SCIRun Team!
My name is Nicolas Gutierrez and I am a student of computer engineering at the University of Santiago de Chile.

I would like to congratulate you for your software and your contribution to the world of bioinformatics.

I am currently using your software and data for an investigation of electrical pulses in the spine and some questions have arisen about SCIRun Data.

What is the origin of the Utah torso model? Where was it obtained from? A real person?

Thanks in advance for your time.


Facultad de Ingeniería
Dpto. de Informática

Nicolas Gutiérrez
Estudiante de Ingeniería Civil Informática

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Rob MacLeod, PhD
Professor of Biomedical Engineering and Internal Medicine
University of Utah
Associate Director, 
Scientific Computing and Imaging (SCI) Institute & 
Cardiovascular Research and Training Institute (CVRTI)
72 South Central Campus Drive
Salt Lake City, Utah 84112

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