Record Details

2D numerical mouse phantom for dynamic photoacoustic tomography virtual imaging studies of small animal models

Harvard Dataverse (Africa Rice Center, Bioversity International, CCAFS, CIAT, IFPRI, IRRI and WorldFish)

View Archive Info
 
 
Field Value
 
Title 2D numerical mouse phantom for dynamic photoacoustic tomography virtual imaging studies of small animal models
 
Identifier https://doi.org/10.7910/DVN/3DXS18
 
Creator Lozenski, Luke
Anastasio, Mark
Villa, Umberto
 
Publisher Harvard Dataverse
 
Description Companion data set of manuscript:

Luke Lozenski, Mark Anastasio, and Umberto Villa. A Memory-Efficient Dynamic Image Reconstruction Method using Neural Fields. Arxiv-2205.05585, 2022



This dataset provides anatomically realistic spatiotemporal maps of optical absorption coefficient and photoacoustically induced pressure distribution for virtual imaging studies of dynamic photoacoustic tomography of small animal models. Physical dimensions of the 2D-plus-time object are 2.9 cm x 2.9 cm and a 5 seconds time horizon (corresponding to a full breathing cycle). The object is rendered on a spatiotemporal Cartesian grid with 400 x 400 pixels and 180 time frames.


The anatomical information of the spatiotemporal object is derived from a two-dimensional (2D) cardio-torso slice extracted from an anatomically realistic whole-body murine numerical phantom (MOBY, Segars et Al, 2004). MOBY comprises detailed three-dimensional (3D) anatomical structures featuring tens of organs and models physiologically realistic cardiac and respiratory motions. Each organ/tissue was then assigned a plausible value of the optical absorption coefficient in the near-infrared range. The optical scattering coefficient was then assumed to be constant throughout the object. For each time frame, the photoacoustically induced pressure distribution was simulated by solving the diffusion approximation to the radiative transport equations with uniform illumination.



The data set consists of the following files:

  • induced_pressure.mat: Induced pressure map on cardio-torso slice of murine phantom

  • optical_absorption.mat: Optical absorption map on cardio-torso slice of murine phantom



This dataset was saved as a MATLAB binary file version 5 (extension .mat). It can be imported in MATLAB using the load function.



For more information about the MOBY phantom and how to obtain it, please see https://otc.duke.edu/technologies/4d-mouse-whole-body-moby-phantom-version-2-0/
 
Subject Engineering
Medicine, Health and Life Sciences
Numerical phantoms
Small animal models
Photoacoustic computed tomography
Dynamic imaging
 
Language English
 
Contributor Lozenski, Luke
Umberto Villa