An algorithm and program for data processing from a Compton scattering imaging device

V. N. Vasiliev; K. V. Zaytseva

doi:10.1117/12.637993

6 December 2006 An algorithm and program for data processing from a Compton scattering imaging device

V. N. Vasiliev, K. V. Zaytseva

Proceedings Volume 5943, X-ray and Neutron Capillary Optics II; 59430W (2006) https://doi.org/10.1117/12.637993
Event: X-ray and Neutron Capillary Optics II, 2004, Zvenigorod, Russian Federation

Abstract

The VolumeScope, a prototype 3D X-ray scanner based on Compton backscatter detection, was designed for examination of a human body electron density distribution. An algorithm and computer program for 3D image reconstruction from the VolumeScope measured data are presented. The reconstruction includes corrections for photon attenuation and multiple scatter in surrounding tissues and postprocessing digital filtering. Properties of multiple scattered photons inside the object of examination were studied by Monte Carlo technique and a geometrical efficiency of the multiple scatter detection was calculated on the base of the collimator design. The contribution of multiple scattered photons in semi-infinite water medium was from 15 to 23% of maximum detector response. The VolumeScope program is described to perform data processing and display the electron density distribution of the object as 2D grayscale images and 3D surfaces of internal structures.

Citation Download Citation

V. N. Vasiliev and K. V. Zaytseva "An algorithm and program for data processing from a Compton scattering imaging device", Proc. SPIE 5943, X-ray and Neutron Capillary Optics II, 59430W (6 December 2006); https://doi.org/10.1117/12.637993

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