Towards real time radiotherapy simulation

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Title: Towards real time radiotherapy simulation
Authors: Voss, N
Ziegenhein, P
Vermond, L
Hoozemans, J
Mencer, O
Oelfke, U
Luk, W
Gaydadjiev, G
Item Type: Conference Paper
Abstract: We propose a novel reconfigurable hardware archi-tecture to implement Monte Carlo based simulation of physicaldose accumulation for intensity-modulated adaptive radiother-apy. The long term goal of our effort is to provide accurateonline dose calculation in real-time during patient treatment.This will allow wider adoption of personalised patient therapieswhich has the potential to significantly reduce dose exposureto the patient as well as shorten treatment and greatly reducecosts. The proposed architecture exploits the inherent parallelismof Monte Carlo simulations to perform domain decompositionand provide high resolution simulation without being limited byon-chip memory capacity. We present our architecture in detailand provide a performance model to estimate execution time,hardware area and bandwidth utilisation. Finally, we evaluateour architecture on a Xilinx VU9P platform and show that threecards are sufficient to meet our real time target of 100 millionrandomly generated particle histories per second.
Issue Date: 15-Jul-2019
Date of Acceptance: 28-May-2019
URI: http://hdl.handle.net/10044/1/70950
Publisher: IEEE
Copyright Statement: This paper is embargoed until publication.
Conference Name: The 30th IEEE International Conference on Application-specific Systems, Architectures and Processors (ASAP 2019)
Publication Status: Accepted
Start Date: 2019-07-15
Finish Date: 2019-07-15
Conference Place: New York, USA
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Computing



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