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PIV: a computer-aided portal image verification system

Fu, W.; Zhang, H.; Wu, J.

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi 19(4): 664-666

2002

ISSN/ISBN: 1001-5515
PMID: 12561374
Document Number: 547725
Portal image verification (PIV) is one of the key actions in QA procedure for sophisticated accurate radiotherapy. The purpose of this study was to develop a PIV software as a tool for improving the accuracy and visualization of portal field verification and computing field placement errors. PIV was developed in the visual C++ integrated environment under Windows 95 operating system. It can improve visualization by providing tools for image processing and multimode images display. Semi-automatic register methods make verification more accurate than view-box method. It can provide useful quantitative errors for regular fields. PIV is flexible and accurate. It is an effective tool for portal field verification.

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