Abstract
We have performed spectral analysis of simulated tomosynthesis projections generated using an anthropomorphic software breast phantom. Twenty phantoms were generated: ten 450 ml phantoms with 40% glandular fraction and ten 1500 ml phantoms with 20% glandular fraction. Simulated mammographic compression and acquisition was performed using monoenergetic ray-tracing. ROIs were extracted and the modulus-squared 2D FFT was applied to each ROI to obtain periodograms. Radially-averaged periodograms were compared between phantom and clinical images. We observed a good agreement between the spectral power law exponents (β) calculated from phantom projections and clinical images.
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Bakic, P.R., Lau, B., Carton, AK., Reiser, I., Maidment, A.D.A., Nishikawa, R.M. (2010). An Anthropomorphic Software Breast Phantom for Tomosynthesis Simulation: Power Spectrum Analysis of Phantom Projections. In: Martí, J., Oliver, A., Freixenet, J., Martí, R. (eds) Digital Mammography. IWDM 2010. Lecture Notes in Computer Science, vol 6136. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13666-5_61
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DOI: https://doi.org/10.1007/978-3-642-13666-5_61
Publisher Name: Springer, Berlin, Heidelberg
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