Experimental imaging and 3D rendering of absorbed dose by means of piled-up dosimetric sheets

Mauro Carrara; Grazia Gambarini; Stefano Tomatis

doi:10.1109/NSSMIC.2005.1596393

Experimental imaging and 3D rendering of absorbed dose by means of piled-up dosimetric sheets

Mauro Carrara, Grazia Gambarini, Stefano Tomatis

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A method for experimental achievement of full 3D images of in-phantom absorbed dose in conformal radiotherapy was developed. The dose images of a sequence of phantom layers are obtained by means of gel dosimeters. Wide software was properly developed and optimized to perform all the necessary manipulations to get the interactive rendering of 3D dose distribution, starting from a set of acquired dosimeters' images. The adopted experimental assessment consists in a planar illumination source and a CCD camera for the acquisition of optical transmission images. After preelaboration to improve the reliability of images, as for instance the calibration with a reference standard acquired simultaneously, the software performs pixel-to-pixel image elaboration in order to obtain dose distribution's matrices. Finally, it achieves volume dose distribution's reconstruction with interactive possibility to obtain isodose curves and surfaces, dose profiles along beam direction as well as normal to it. $ 2005 IEEE.

Original language	English
Title of host publication	IEEE Nuclear Science Symposium Conference Record
Pages	870-873
Number of pages	4
Volume	2
DOIs	https://doi.org/10.1109/NSSMIC.2005.1596393
Publication status	Published - 2005
Event	Nuclear Science Symposium Conference Record, 2005 IEEE - , Puerto Rico Duration: Oct 23 2005 → Oct 29 2005

Other

Other	Nuclear Science Symposium Conference Record, 2005 IEEE
Country	Puerto Rico
Period	10/23/05 → 10/29/05

ASJC Scopus subject areas

Computer Vision and Pattern Recognition
Industrial and Manufacturing Engineering

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10.1109/NSSMIC.2005.1596393

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title = "Experimental imaging and 3D rendering of absorbed dose by means of piled-up dosimetric sheets",

abstract = "A method for experimental achievement of full 3D images of in-phantom absorbed dose in conformal radiotherapy was developed. The dose images of a sequence of phantom layers are obtained by means of gel dosimeters. Wide software was properly developed and optimized to perform all the necessary manipulations to get the interactive rendering of 3D dose distribution, starting from a set of acquired dosimeters' images. The adopted experimental assessment consists in a planar illumination source and a CCD camera for the acquisition of optical transmission images. After preelaboration to improve the reliability of images, as for instance the calibration with a reference standard acquired simultaneously, the software performs pixel-to-pixel image elaboration in order to obtain dose distribution's matrices. Finally, it achieves volume dose distribution's reconstruction with interactive possibility to obtain isodose curves and surfaces, dose profiles along beam direction as well as normal to it. $ 2005 IEEE.",

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AU - Tomatis, Stefano

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AB - A method for experimental achievement of full 3D images of in-phantom absorbed dose in conformal radiotherapy was developed. The dose images of a sequence of phantom layers are obtained by means of gel dosimeters. Wide software was properly developed and optimized to perform all the necessary manipulations to get the interactive rendering of 3D dose distribution, starting from a set of acquired dosimeters' images. The adopted experimental assessment consists in a planar illumination source and a CCD camera for the acquisition of optical transmission images. After preelaboration to improve the reliability of images, as for instance the calibration with a reference standard acquired simultaneously, the software performs pixel-to-pixel image elaboration in order to obtain dose distribution's matrices. Finally, it achieves volume dose distribution's reconstruction with interactive possibility to obtain isodose curves and surfaces, dose profiles along beam direction as well as normal to it. $ 2005 IEEE.

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