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Simulation of Three Material Partial Volume Averaging in a Software Breast Phantom

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Breast Imaging (IWDM 2012)

Part of the book series: Lecture Notes in Computer Science ((LNIP,volume 7361))

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Abstract

A general case for simulation of partial volume (PV) averaging in software breast phantoms is presented. PV simulation could improve the quality of phantom images by reducing quantization artifacts near borders between different materials. The validity of phantom studies depends on the realism of simulated images, which is affected by the size of phantom voxels. Large voxels may cause notable quantization artifacts; small voxels, however, extend the generation time and increase the memory requirements. An improvement in image quality without reducing voxel size is achievable by the simulation of PV averaging in voxels containing more than one simulated tissue type; the linear x-ray attenuation coefficient of such voxels is represented by a combination of attenuation coefficients proportional to voxel subvolumes occupied by different tissues. In this paper, we present results of simulated PV in the general case of voxels containing up to three materials.

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References

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Chen, F., Pokrajac, D.D., Shi, X., Liu, F., Maidment, A.D.A., Bakic, P.R. (2012). Simulation of Three Material Partial Volume Averaging in a Software Breast Phantom. In: Maidment, A.D.A., Bakic, P.R., Gavenonis, S. (eds) Breast Imaging. IWDM 2012. Lecture Notes in Computer Science, vol 7361. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31271-7_20

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  • DOI: https://doi.org/10.1007/978-3-642-31271-7_20

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-31270-0

  • Online ISBN: 978-3-642-31271-7

  • eBook Packages: Computer ScienceComputer Science (R0)

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